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# 外卖SaaS系统 - 项目概述
## 1. 项目简介
### 1.1 项目背景
外卖SaaS系统是一个面向餐饮企业的多租户外卖管理平台，旨在为中小型餐饮企业提供完整的外卖业务解决方案。系统支持商家入驻、菜品管理、订单处理、配送管理等核心功能。
### 1.2 项目目标
- 提供稳定、高效的外卖业务管理平台
- 支持多租户架构，实现数据隔离和资源共享
- 提供完善的商家管理和运营工具
- 支持灵活的配送模式（自配送、第三方配送）
- 提供实时数据分析和报表功能
### 1.3 核心价值
- **降低成本**：SaaS模式降低企业IT投入成本
- **快速上线**：开箱即用，快速开展外卖业务
- **灵活扩展**：支持业务增长和功能定制
- **数据驱动**：提供数据分析，辅助经营决策
## 2. 业务模块
### 2.1 租户管理模块
- 租户注册与认证
- 租户信息管理
- 套餐订阅管理
- 权限与配额管理
### 2.2 商家管理模块
- 商家入驻审核
- 商家信息管理
- 门店管理（支持多门店）
- 营业时间设置
- 配送范围设置
### 2.3 菜品管理模块
- 菜品分类管理
- 菜品信息管理（名称、价格、图片、描述）
- 菜品规格管理（大份、小份等）
- 菜品库存管理
- 菜品上下架管理
### 2.4 订单管理模块
- 订单创建与支付
- 订单状态流转（待支付、待接单、制作中、配送中、已完成、已取消）
- 订单查询与筛选
- 订单退款处理
- 订单统计分析
### 2.5 配送管理模块
- 配送员管理
- 配送任务分配
- 配送路线规划
- 配送状态跟踪
- 配送费用计算
### 2.6 用户管理模块
- 用户注册与登录
- 用户信息管理
- 收货地址管理
- 用户订单历史
- 用户评价管理
### 2.7 支付管理模块
- 多支付方式支持（微信、支付宝、余额）
- 支付回调处理
- 退款处理
- 账单管理
### 2.8 营销管理模块
- 优惠券管理
- 满减活动
- 会员积分
- 推广活动
### 2.9 数据分析模块
- 销售数据统计
- 订单趋势分析
- 用户行为分析
- 商家经营报表
- 平台运营大盘
### 2.10 系统管理模块
- 系统配置管理
- 日志管理
- 权限管理
- 消息通知管理
## 3. 用户角色
### 3.1 平台管理员（Web管理端）
- 管理所有租户和商家
- 系统配置和维护
- 数据监控和分析
- 审核商家入驻
- 平台运营管理
### 3.2 租户管理员（Web管理端）
- 管理租户下的所有商家
- 查看租户数据报表
- 管理租户套餐和权限
- 租户配置管理
### 3.3 商家管理员（Web管理端）
- 管理门店信息
- 管理菜品和订单
- 查看经营数据
- 管理配送（自配送或第三方配送对接）
- 营销活动管理
### 3.4 商家员工（Web管理端）
- 处理订单（接单/出餐/发货）
- 更新菜品状态
- 订单打印与出餐看板
### 3.5 普通用户/消费者（小程序端 + Web用户端）
- 浏览商家和菜品
- 下单和支付
- 查看订单状态
- 评价和反馈
- 收货地址管理
- 优惠券领取和使用
## 4. 系统特性
### 4.1 多租户架构
- 数据隔离：每个租户数据完全隔离
- 资源共享：共享基础设施，降低成本
- 灵活配置：支持租户级别的个性化配置
### 4.2 高可用性
- 服务高可用：支持集群部署
- 数据高可用：数据库主从复制
- 故障自动恢复
### 4.3 高性能
- 缓存策略：Redis缓存热点数据
- 数据库优化：索引优化、查询优化
- 异步处理：消息队列处理耗时任务
### 4.4 安全性
- 身份认证：JWT Token认证
- 权限控制：基于角色的访问控制（RBAC）
- 数据加密：敏感数据加密存储
- 接口防护：限流、防重放攻击
### 4.5 可扩展性
- 微服务架构：支持服务独立扩展
- 插件化设计：支持功能模块插拔
- API开放：提供开放API接口
## 5. 技术选型
- **后端框架**：.NET 10
- **ORM框架**：Entity Framework Core 10 + Dapper
- **数据库**：PostgreSQL 16+
- **缓存**：Redis 7.0+
- **消息队列**：RabbitMQ 3.12+
- **API文档**：Swagger/OpenAPI
- **日志**：Serilog
- **认证授权**：JWT + OAuth2.0
## 6. 项目里程碑
### Phase 1：基础功能（1-2个月）
- 租户管理
- 商家管理
- 菜品管理
- 订单管理（基础流程）
### Phase 2：核心功能（2-3个月）
- 配送管理
- 支付集成
- 用户管理
- 基础营销功能
### Phase 3：高级功能（3-4个月）
- 数据分析
- 高级营销
- 系统优化
- 性能调优
### Phase 4：完善与上线（1个月）
- 测试与修复
- 文档完善
- 部署上线
- 运维监控

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# 外卖SaaS系统 - 技术架构
## 1. 技术栈
### 1.1 后端技术栈
- **.NET 10**：最新的.NET平台，提供高性能和现代化开发体验
- **ASP.NET Core Web API**：构建RESTful API服务
- **Entity Framework Core 10**：最新ORM框架，用于复杂查询和实体管理
- **Dapper 2.1+**：轻量级ORM，用于高性能查询和批量操作
- **PostgreSQL 16+**：主数据库，支持JSON、全文搜索等高级特性
- **Redis 7.0+**：缓存和会话存储
- **RabbitMQ 3.12+**：消息队列，处理异步任务
### 1.2 开发工具和框架
- **AutoMapper**：对象映射
- **FluentValidation**：数据验证
- **Serilog**：结构化日志
- **MediatR**：CQRS和中介者模式实现
- **Hangfire**：后台任务调度
- **Polly**：弹性和瞬态故障处理
- **Swagger/Swashbuckle**：API文档生成
### 1.3 认证授权
- **JWT (JSON Web Token)**：无状态身份认证
- **IdentityServer/Duende IdentityServer**：OAuth2.0和OpenID Connect
- **ASP.NET Core Identity**：用户身份管理
### 1.4 测试框架
- **xUnit**：单元测试框架
- **Moq**：Mock框架
- **FluentAssertions**：断言库
- **Testcontainers**：集成测试容器化
### 1.5 DevOps工具
- **Docker**：容器化部署
- **Docker Compose**：本地开发环境
- **GitHub Actions/GitLab CI**：CI/CD流水线
- **Nginx**：反向代理和负载均衡
## 2. 系统架构
### 2.1 整体架构
```
┌─────────────────────────────────────────────────────────────┐
│ 客户端层 │
│ ┌──────────┐ ┌──────────┐ ┌──────────────┐ │
│ │ Web管理端 │ │ Web用户端 │ │ 小程序端（用户） │ │
│ └──────────┘ └──────────┘ └──────────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ API网关层 │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ Nginx / API Gateway (路由、限流、认证、日志) │ │
│ └──────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ 应用服务层 │
│ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │
│ │租户服务 │ │商家服务 │ │订单服务 │ │配送服务 │ │
│ └──────────┘ └──────────┘ └──────────┘ └──────────┘ │
│ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │
│ │用户服务 │ │支付服务 │ │营销服务 │ │通知服务 │ │
│ └──────────┘ └──────────┘ └──────────┘ └──────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ 基础设施层 │
│ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │
│ │PostgreSQL │ │ Redis │ │ RabbitMQ │ │ MinIO │ │
│ │ (主库) │ │ (缓存) │ │ (消息队列)│ │(对象存储) │ │
│ └──────────┘ └──────────┘ └──────────┘ └──────────┘ │
└─────────────────────────────────────────────────────────────┘
```
### 2.2 分层架构
#### 2.2.1 表现层 (Presentation Layer)
- **TakeoutSaaS.AdminApi**：管理后台 Web API 项目（/api/admin/v1）
- Controllers：后台管理API控制器
- Filters：过滤器（异常处理、日志、验证）
- Middleware：中间件（认证、租户识别、RBAC）
- Models：请求/响应DTO
- **TakeoutSaaS.MiniApi**：小程序/用户端 Web API 项目（/api/mini/v1）
- Controllers：用户端API控制器
- Filters：过滤器（异常处理、限流、签名校验）
- Middleware：中间件（小程序登录态、租户识别、CORS）
- Models：请求/响应DTO
#### 2.2.2 应用层 (Application Layer)
- **TakeoutSaaS.Application**：应用逻辑
- Services：应用服务
- DTOs：数据传输对象
- Interfaces：服务接口
- Validators：FluentValidation验证器
- Mappings：AutoMapper配置
- Commands/Queries：CQRS命令和查询
#### 2.2.3 领域层 (Domain Layer)
- **TakeoutSaaS.Domain**：领域模型
- Entities：实体类
- ValueObjects：值对象
- Enums：枚举
- Events：领域事件
- Interfaces：仓储接口
- Specifications：规约模式
#### 2.2.4 基础设施层 (Infrastructure Layer)
- **TakeoutSaaS.Infrastructure**：基础设施实现
- Data：数据访问
- EFCore：EF Core DbContext和配置
- Dapper：Dapper查询实现
- Repositories：仓储实现
- Migrations：数据库迁移
- Cache：Redis缓存实现
- MessageQueue：RabbitMQ实现
- ExternalServices：第三方服务集成
#### 2.2.5 共享层 (Shared Layer)
- **TakeoutSaaS.Shared**：共享组件
- Constants：常量定义
- Exceptions：自定义异常
- Extensions：扩展方法
- Helpers：辅助类
- Results：统一返回结果
## 3. 核心设计模式
### 3.1 多租户模式
- **数据隔离策略**：每个租户独立Schema
- **租户识别**：通过HTTP Header或JWT Token识别租户
- **动态切换**：运行时动态切换数据库连接
### 3.2 CQRS模式
- **命令（Command）**：处理写操作，修改数据
- **查询（Query）**：处理读操作，不修改数据
- **分离优势**：读写分离，优化性能
### 3.3 仓储模式
- **抽象数据访问**：统一数据访问接口
- **EF Core仓储**：复杂查询和事务处理
- **Dapper仓储**：高性能查询和批量操作
### 3.4 工作单元模式
- **事务管理**：统一管理数据库事务
- **批量提交**：减少数据库往返次数
### 3.5 领域驱动设计（DDD）
- **聚合根**：定义实体边界
- **值对象**：不可变对象
- **领域事件**：解耦业务逻辑
## 4. 数据访问策略
### 4.1 EF Core使用场景
- 复杂的实体关系查询
- 需要变更跟踪的操作
- 事务性操作
- 数据库迁移管理
### 4.2 Dapper使用场景
- 高性能查询（大数据量）
- 复杂SQL查询
- 批量插入/更新
- 报表统计查询
- 存储过程调用
### 4.3 混合使用策略
```csharp
// EF Core - 复杂查询和实体管理
public async Task<Order> GetOrderWithDetailsAsync(Guid orderId)
{
return await _dbContext.Orders
.Include(o => o.OrderItems)
.Include(o => o.Customer)
.FirstOrDefaultAsync(o => o.Id == orderId);
}
// Dapper - 高性能统计查询
public async Task<OrderStatistics> GetOrderStatisticsAsync(DateTime startDate, DateTime endDate)
{
var sql = @"
SELECT
COUNT(*) as TotalOrders,
SUM(total_amount) as TotalAmount,
AVG(total_amount) as AvgAmount
FROM orders
WHERE created_at BETWEEN @StartDate AND @EndDate";
return await _connection.QueryFirstOrDefaultAsync<OrderStatistics>(sql,
new { StartDate = startDate, EndDate = endDate });
}
```
## 5. 缓存策略
### 5.1 缓存层次
- **L1缓存**：内存缓存（IMemoryCache）- 进程内缓存
- **L2缓存**：Redis缓存 - 分布式缓存
### 5.2 缓存场景
- 商家信息缓存（30分钟）
- 菜品信息缓存（15分钟）
- 用户会话缓存（2小时）
- 配置信息缓存（1小时）
- 热点数据缓存（动态过期）
### 5.3 缓存更新策略
- **Cache-Aside**：旁路缓存，先查缓存，未命中查数据库
- **Write-Through**：写入时同步更新缓存
- **Write-Behind**：异步更新缓存
## 6. 消息队列应用
### 6.1 异步任务
- 订单状态变更通知
- 短信/邮件发送
- 数据统计计算
- 日志持久化
### 6.2 事件驱动
- 订单创建事件
- 支付成功事件
- 配送状态变更事件
## 7. 安全设计
### 7.1 认证机制
- JWT Token认证
- Refresh Token刷新
- Token过期管理
### 7.2 授权机制
- 基于角色的访问控制（RBAC）
- 基于策略的授权
- 资源级权限控制
### 7.3 数据安全
- 敏感数据加密（密码、支付信息）
- HTTPS传输加密
- SQL注入防护
- XSS防护
### 7.4 接口安全
- 请求签名验证
- 接口限流（Rate Limiting）
- 防重放攻击
- CORS跨域配置

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# 外卖SaaS系统 - 数据库设计
## 1. 数据库设计原则
### 1.1 命名规范
- **表名**：小写字母，下划线分隔，复数形式（如：`orders`, `order_items`）
- **字段名**：小写字母，下划线分隔（如：`created_at`, `total_amount`）
- **主键**：统一使用 `id`，类型为 UUID
- **外键**：`表名_id`（如：`order_id`, `merchant_id`）
- **索引**：`idx_表名_字段名`（如：`idx_orders_merchant_id`）
### 1.2 通用字段
所有表都包含以下字段：
- `id`：UUID，主键
- `created_at`：TIMESTAMP，创建时间
- `updated_at`：TIMESTAMP，更新时间
- `deleted_at`：TIMESTAMP，软删除时间（可选）
- `tenant_id`：UUID，租户ID（多租户隔离）
### 1.3 数据类型规范
- **金额**：DECIMAL(18,2)
- **时间**：TIMESTAMP WITH TIME ZONE
- **布尔**：BOOLEAN
- **枚举**：VARCHAR 或 INTEGER
- **JSON数据**：JSONB
## 2. 核心表结构
### 2.1 租户管理
#### tenants（租户表）
```sql
CREATE TABLE tenants (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
name VARCHAR(100) NOT NULL,
code VARCHAR(50) UNIQUE NOT NULL,
contact_name VARCHAR(50),
contact_phone VARCHAR(20),
contact_email VARCHAR(100),
status INTEGER NOT NULL DEFAULT 1, -- 1:正常 2:冻结 3:过期
subscription_plan VARCHAR(50), -- 订阅套餐
subscription_start_date TIMESTAMP WITH TIME ZONE,
subscription_end_date TIMESTAMP WITH TIME ZONE,
max_merchants INTEGER DEFAULT 10, -- 最大商家数
max_orders_per_day INTEGER DEFAULT 1000, -- 每日订单限额
settings JSONB, -- 租户配置
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_tenants_code ON tenants(code);
CREATE INDEX idx_tenants_status ON tenants(status);
```
### 2.2 商家管理
#### merchants（商家表）
```sql
CREATE TABLE merchants (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
name VARCHAR(100) NOT NULL,
logo_url VARCHAR(500),
description TEXT,
contact_phone VARCHAR(20),
contact_person VARCHAR(50),
business_license VARCHAR(100), -- 营业执照号
status INTEGER NOT NULL DEFAULT 1, -- 1:正常 2:休息 3:停业
rating DECIMAL(3,2) DEFAULT 0, -- 评分
total_sales INTEGER DEFAULT 0, -- 总销量
settings JSONB, -- 商家配置
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_merchants_tenant_id ON merchants(tenant_id);
CREATE INDEX idx_merchants_status ON merchants(status);
```
#### merchant_stores（门店表）
```sql
CREATE TABLE merchant_stores (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
merchant_id UUID NOT NULL REFERENCES merchants(id),
name VARCHAR(100) NOT NULL,
address VARCHAR(500) NOT NULL,
latitude DECIMAL(10,7), -- 纬度
longitude DECIMAL(10,7), -- 经度
phone VARCHAR(20),
business_hours JSONB, -- 营业时间 {"monday": {"open": "09:00", "close": "22:00"}}
delivery_range INTEGER DEFAULT 3000, -- 配送范围（米）
min_order_amount DECIMAL(18,2) DEFAULT 0, -- 起送价
delivery_fee DECIMAL(18,2) DEFAULT 0, -- 配送费
status INTEGER NOT NULL DEFAULT 1,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_merchant_stores_merchant_id ON merchant_stores(merchant_id);
CREATE INDEX idx_merchant_stores_location ON merchant_stores USING GIST(point(longitude, latitude));
```
### 2.3 菜品管理
#### categories（菜品分类表）
```sql
CREATE TABLE categories (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
merchant_id UUID NOT NULL REFERENCES merchants(id),
name VARCHAR(50) NOT NULL,
sort_order INTEGER DEFAULT 0,
status INTEGER NOT NULL DEFAULT 1,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_categories_merchant_id ON categories(merchant_id);
```
#### dishes（菜品表）
```sql
CREATE TABLE dishes (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
merchant_id UUID NOT NULL REFERENCES merchants(id),
category_id UUID REFERENCES categories(id),
name VARCHAR(100) NOT NULL,
description TEXT,
image_url VARCHAR(500),
price DECIMAL(18,2) NOT NULL,
original_price DECIMAL(18,2), -- 原价
unit VARCHAR(20) DEFAULT '份', -- 单位
stock INTEGER, -- 库存（NULL表示不限）
sales_count INTEGER DEFAULT 0, -- 销量
rating DECIMAL(3,2) DEFAULT 0, -- 评分
sort_order INTEGER DEFAULT 0,
status INTEGER NOT NULL DEFAULT 1, -- 1:上架 2:下架
tags JSONB, -- 标签 ["热销", "新品"]
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_dishes_merchant_id ON dishes(merchant_id);
CREATE INDEX idx_dishes_category_id ON dishes(category_id);
CREATE INDEX idx_dishes_status ON dishes(status);
```
#### dish_specs（菜品规格表）
```sql
CREATE TABLE dish_specs (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
dish_id UUID NOT NULL REFERENCES dishes(id),
name VARCHAR(50) NOT NULL, -- 规格名称（如：大份、小份）
price DECIMAL(18,2) NOT NULL,
stock INTEGER,
status INTEGER NOT NULL DEFAULT 1,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_dish_specs_dish_id ON dish_specs(dish_id);
```
### 2.4 用户管理
#### users（用户表）
```sql
CREATE TABLE users (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
phone VARCHAR(20) UNIQUE NOT NULL,
nickname VARCHAR(50),
avatar_url VARCHAR(500),
gender INTEGER, -- 0:未知 1:男 2:女
birthday DATE,
balance DECIMAL(18,2) DEFAULT 0, -- 余额
points INTEGER DEFAULT 0, -- 积分
status INTEGER NOT NULL DEFAULT 1,
last_login_at TIMESTAMP WITH TIME ZONE,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_users_phone ON users(phone);
```
#### user_addresses（用户地址表）
```sql
CREATE TABLE user_addresses (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
user_id UUID NOT NULL REFERENCES users(id),
contact_name VARCHAR(50) NOT NULL,
contact_phone VARCHAR(20) NOT NULL,
province VARCHAR(50),
city VARCHAR(50),
district VARCHAR(50),
address VARCHAR(500) NOT NULL,
house_number VARCHAR(50), -- 门牌号
latitude DECIMAL(10,7),
longitude DECIMAL(10,7),
is_default BOOLEAN DEFAULT FALSE,
label VARCHAR(20), -- 标签：家、公司等
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_user_addresses_user_id ON user_addresses(user_id);
```
### 2.5 订单管理
#### orders（订单表）
```sql
CREATE TABLE orders (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_no VARCHAR(50) UNIQUE NOT NULL, -- 订单号
merchant_id UUID NOT NULL REFERENCES merchants(id),
store_id UUID NOT NULL REFERENCES merchant_stores(id),
user_id UUID NOT NULL REFERENCES users(id),
-- 收货信息
delivery_address VARCHAR(500) NOT NULL,
delivery_latitude DECIMAL(10,7),
delivery_longitude DECIMAL(10,7),
contact_name VARCHAR(50) NOT NULL,
contact_phone VARCHAR(20) NOT NULL,
-- 金额信息
dish_amount DECIMAL(18,2) NOT NULL, -- 菜品金额
delivery_fee DECIMAL(18,2) DEFAULT 0, -- 配送费
package_fee DECIMAL(18,2) DEFAULT 0, -- 打包费
discount_amount DECIMAL(18,2) DEFAULT 0, -- 优惠金额
total_amount DECIMAL(18,2) NOT NULL, -- 总金额
actual_amount DECIMAL(18,2) NOT NULL, -- 实付金额
-- 订单状态
status INTEGER NOT NULL DEFAULT 1, -- 1:待支付 2:待接单 3:制作中 4:待配送 5:配送中 6:已完成 7:已取消
payment_status INTEGER DEFAULT 0, -- 0:未支付 1:已支付 2:已退款
payment_method VARCHAR(20), -- 支付方式
payment_time TIMESTAMP WITH TIME ZONE,
-- 时间信息
estimated_delivery_time TIMESTAMP WITH TIME ZONE, -- 预计送达时间
accepted_at TIMESTAMP WITH TIME ZONE, -- 接单时间
cooking_at TIMESTAMP WITH TIME ZONE, -- 开始制作时间
delivered_at TIMESTAMP WITH TIME ZONE, -- 送达时间
completed_at TIMESTAMP WITH TIME ZONE, -- 完成时间
cancelled_at TIMESTAMP WITH TIME ZONE, -- 取消时间
remark TEXT, -- 备注
cancel_reason TEXT, -- 取消原因
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_orders_tenant_id ON orders(tenant_id);
CREATE INDEX idx_orders_order_no ON orders(order_no);
CREATE INDEX idx_orders_merchant_id ON orders(merchant_id);
CREATE INDEX idx_orders_user_id ON orders(user_id);
CREATE INDEX idx_orders_status ON orders(status);
CREATE INDEX idx_orders_created_at ON orders(created_at);
```
#### order_items（订单明细表）
```sql
CREATE TABLE order_items (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_id UUID NOT NULL REFERENCES orders(id),
dish_id UUID NOT NULL REFERENCES dishes(id),
dish_name VARCHAR(100) NOT NULL, -- 冗余字段，防止菜品被删除
dish_image_url VARCHAR(500),
spec_id UUID REFERENCES dish_specs(id),
spec_name VARCHAR(50),
price DECIMAL(18,2) NOT NULL, -- 单价
quantity INTEGER NOT NULL, -- 数量
amount DECIMAL(18,2) NOT NULL, -- 小计
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_order_items_order_id ON order_items(order_id);
CREATE INDEX idx_order_items_dish_id ON order_items(dish_id);
```
### 2.6 配送管理
#### delivery_drivers（配送员表）
```sql
CREATE TABLE delivery_drivers (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
merchant_id UUID REFERENCES merchants(id), -- NULL表示平台配送员
name VARCHAR(50) NOT NULL,
phone VARCHAR(20) UNIQUE NOT NULL,
id_card VARCHAR(18), -- 身份证号
vehicle_type VARCHAR(20), -- 车辆类型：电动车、摩托车
vehicle_number VARCHAR(20), -- 车牌号
status INTEGER NOT NULL DEFAULT 1, -- 1:空闲 2:配送中 3:休息 4:离线
current_latitude DECIMAL(10,7), -- 当前位置
current_longitude DECIMAL(10,7),
rating DECIMAL(3,2) DEFAULT 0,
total_deliveries INTEGER DEFAULT 0, -- 总配送单数
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_delivery_drivers_merchant_id ON delivery_drivers(merchant_id);
CREATE INDEX idx_delivery_drivers_status ON delivery_drivers(status);
```
#### delivery_tasks（配送任务表）
```sql
CREATE TABLE delivery_tasks (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_id UUID NOT NULL REFERENCES orders(id),
driver_id UUID REFERENCES delivery_drivers(id),
pickup_address VARCHAR(500) NOT NULL, -- 取餐地址
pickup_latitude DECIMAL(10,7),
pickup_longitude DECIMAL(10,7),
delivery_address VARCHAR(500) NOT NULL, -- 送餐地址
delivery_latitude DECIMAL(10,7),
delivery_longitude DECIMAL(10,7),
distance INTEGER, -- 配送距离（米）
estimated_time INTEGER, -- 预计时长（分钟）
status INTEGER NOT NULL DEFAULT 1, -- 1:待分配 2:待取餐 3:配送中 4:已送达 5:异常
assigned_at TIMESTAMP WITH TIME ZONE, -- 分配时间
picked_at TIMESTAMP WITH TIME ZONE, -- 取餐时间
delivered_at TIMESTAMP WITH TIME ZONE, -- 送达时间
delivery_fee DECIMAL(18,2) DEFAULT 0, -- 配送费
remark TEXT,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_delivery_tasks_order_id ON delivery_tasks(order_id);
CREATE INDEX idx_delivery_tasks_driver_id ON delivery_tasks(driver_id);
CREATE INDEX idx_delivery_tasks_status ON delivery_tasks(status);
```
### 2.7 支付管理
#### payments（支付记录表）
```sql
CREATE TABLE payments (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_id UUID NOT NULL REFERENCES orders(id),
user_id UUID NOT NULL REFERENCES users(id),
payment_no VARCHAR(50) UNIQUE NOT NULL, -- 支付单号
payment_method VARCHAR(20) NOT NULL, -- 支付方式：wechat、alipay、balance
amount DECIMAL(18,2) NOT NULL,
status INTEGER NOT NULL DEFAULT 0, -- 0:待支付 1:支付中 2:成功 3:失败 4:已退款
third_party_no VARCHAR(100), -- 第三方支付单号
paid_at TIMESTAMP WITH TIME ZONE,
callback_data JSONB, -- 回调数据
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_payments_order_id ON payments(order_id);
CREATE INDEX idx_payments_payment_no ON payments(payment_no);
CREATE INDEX idx_payments_user_id ON payments(user_id);
```
#### refunds（退款记录表）
```sql
CREATE TABLE refunds (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_id UUID NOT NULL REFERENCES orders(id),
payment_id UUID NOT NULL REFERENCES payments(id),
refund_no VARCHAR(50) UNIQUE NOT NULL,
amount DECIMAL(18,2) NOT NULL,
reason TEXT,
status INTEGER NOT NULL DEFAULT 0, -- 0:待审核 1:退款中 2:成功 3:失败
third_party_no VARCHAR(100),
refunded_at TIMESTAMP WITH TIME ZONE,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_refunds_order_id ON refunds(order_id);
CREATE INDEX idx_refunds_payment_id ON refunds(payment_id);
```
### 2.8 营销管理
#### coupons（优惠券表）
```sql
CREATE TABLE coupons (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
merchant_id UUID REFERENCES merchants(id), -- NULL表示平台券
name VARCHAR(100) NOT NULL,
type INTEGER NOT NULL, -- 1:满减券 2:折扣券 3:代金券
discount_type INTEGER NOT NULL, -- 1:固定金额 2:百分比
discount_value DECIMAL(18,2) NOT NULL, -- 优惠值
min_order_amount DECIMAL(18,2) DEFAULT 0, -- 最低消费
max_discount_amount DECIMAL(18,2), -- 最大优惠金额（折扣券用）
total_quantity INTEGER NOT NULL, -- 总数量
received_quantity INTEGER DEFAULT 0, -- 已领取数量
used_quantity INTEGER DEFAULT 0, -- 已使用数量
valid_start_time TIMESTAMP WITH TIME ZONE NOT NULL,
valid_end_time TIMESTAMP WITH TIME ZONE NOT NULL,
status INTEGER NOT NULL DEFAULT 1, -- 1:正常 2:停用
description TEXT,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_coupons_merchant_id ON coupons(merchant_id);
CREATE INDEX idx_coupons_status ON coupons(status);
```
#### user_coupons（用户优惠券表）
```sql
CREATE TABLE user_coupons (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
user_id UUID NOT NULL REFERENCES users(id),
coupon_id UUID NOT NULL REFERENCES coupons(id),
status INTEGER NOT NULL DEFAULT 1, -- 1:未使用 2:已使用 3:已过期
used_order_id UUID REFERENCES orders(id),
received_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
used_at TIMESTAMP WITH TIME ZONE,
expired_at TIMESTAMP WITH TIME ZONE NOT NULL
);
CREATE INDEX idx_user_coupons_user_id ON user_coupons(user_id);
CREATE INDEX idx_user_coupons_coupon_id ON user_coupons(coupon_id);
CREATE INDEX idx_user_coupons_status ON user_coupons(status);
```
### 2.9 评价管理
#### reviews（评价表）
```sql
CREATE TABLE reviews (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID NOT NULL REFERENCES tenants(id),
order_id UUID NOT NULL REFERENCES orders(id),
user_id UUID NOT NULL REFERENCES users(id),
merchant_id UUID NOT NULL REFERENCES merchants(id),
rating INTEGER NOT NULL, -- 评分 1-5
taste_rating INTEGER, -- 口味评分
package_rating INTEGER, -- 包装评分
delivery_rating INTEGER, -- 配送评分
content TEXT,
images JSONB, -- 评价图片
is_anonymous BOOLEAN DEFAULT FALSE,
reply_content TEXT, -- 商家回复
reply_at TIMESTAMP WITH TIME ZONE,
status INTEGER NOT NULL DEFAULT 1, -- 1:正常 2:隐藏
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_reviews_order_id ON reviews(order_id);
CREATE INDEX idx_reviews_user_id ON reviews(user_id);
CREATE INDEX idx_reviews_merchant_id ON reviews(merchant_id);
```
### 2.10 系统管理
#### system_users（系统用户表）
```sql
CREATE TABLE system_users (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID REFERENCES tenants(id), -- NULL表示平台管理员
merchant_id UUID REFERENCES merchants(id), -- NULL表示租户管理员
username VARCHAR(50) UNIQUE NOT NULL,
password_hash VARCHAR(255) NOT NULL,
real_name VARCHAR(50),
phone VARCHAR(20),
email VARCHAR(100),
role_id UUID REFERENCES roles(id),
status INTEGER NOT NULL DEFAULT 1,
last_login_at TIMESTAMP WITH TIME ZONE,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_system_users_username ON system_users(username);
CREATE INDEX idx_system_users_tenant_id ON system_users(tenant_id);
```
#### roles（角色表）
```sql
CREATE TABLE roles (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID REFERENCES tenants(id),
name VARCHAR(50) NOT NULL,
code VARCHAR(50) NOT NULL,
description TEXT,
permissions JSONB, -- 权限列表
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE
);
CREATE INDEX idx_roles_tenant_id ON roles(tenant_id);
```
#### operation_logs（操作日志表）
```sql
CREATE TABLE operation_logs (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id UUID REFERENCES tenants(id),
user_id UUID,
user_type VARCHAR(20), -- system_user, merchant_user, customer
module VARCHAR(50), -- 模块
action VARCHAR(50), -- 操作
description TEXT,
ip_address VARCHAR(50),
user_agent TEXT,
request_data JSONB,
response_data JSONB,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);
CREATE INDEX idx_operation_logs_tenant_id ON operation_logs(tenant_id);
CREATE INDEX idx_operation_logs_user_id ON operation_logs(user_id);
CREATE INDEX idx_operation_logs_created_at ON operation_logs(created_at);
```
## 3. 数据库索引策略
### 3.1 主键索引
- 所有表使用UUID作为主键，自动创建主键索引
### 3.2 外键索引
- 所有外键字段创建索引，提升关联查询性能
### 3.3 业务索引
- 订单号、支付单号等唯一业务字段创建唯一索引
- 状态字段创建普通索引
- 时间字段（created_at）创建索引，支持时间范围查询
### 3.4 复合索引
```sql
-- 订单查询常用复合索引
CREATE INDEX idx_orders_merchant_status_created ON orders(merchant_id, status, created_at DESC);
-- 用户订单查询
CREATE INDEX idx_orders_user_status_created ON orders(user_id, status, created_at DESC);
```
### 3.5 地理位置索引
```sql
-- 使用PostGIS扩展支持地理位置查询
CREATE EXTENSION IF NOT EXISTS postgis;
-- 门店位置索引
CREATE INDEX idx_merchant_stores_location ON merchant_stores
USING GIST(ST_MakePoint(longitude, latitude));
```
## 4. 数据库优化
### 4.1 分区策略
```sql
-- 订单表按月分区
CREATE TABLE orders_2024_01 PARTITION OF orders
FOR VALUES FROM ('2024-01-01') TO ('2024-02-01');
CREATE TABLE orders_2024_02 PARTITION OF orders
FOR VALUES FROM ('2024-02-01') TO ('2024-03-01');
```
### 4.2 物化视图
```sql
-- 商家统计物化视图
CREATE MATERIALIZED VIEW merchant_statistics AS
SELECT
m.id as merchant_id,
m.name,
COUNT(DISTINCT o.id) as total_orders,
SUM(o.actual_amount) as total_revenue,
AVG(r.rating) as avg_rating
FROM merchants m
LEFT JOIN orders o ON m.id = o.merchant_id AND o.status = 6
LEFT JOIN reviews r ON m.id = r.merchant_id
GROUP BY m.id, m.name;
CREATE UNIQUE INDEX ON merchant_statistics(merchant_id);
```
### 4.3 查询优化建议
- 避免SELECT *，只查询需要的字段
- 使用EXPLAIN分析查询计划
- 合理使用JOIN，避免过多关联
- 大数据量查询使用分页
- 使用prepared statement防止SQL注入
## 5. 数据备份策略
### 5.1 备份方案
- **全量备份**：每天凌晨2点执行
- **增量备份**：每4小时执行一次
- **WAL归档**：实时归档，支持PITR
### 5.2 备份脚本示例
```bash
#!/bin/bash
# 全量备份
pg_dump -h localhost -U postgres -d takeout_saas -F c -f /backup/full_$(date +%Y%m%d).dump
# 保留最近30天的备份
find /backup -name "full_*.dump" -mtime +30 -delete
```
## 6. 数据迁移
### 6.1 EF Core Migrations
```bash
# 添加迁移
dotnet ef migrations add InitialCreate --project TakeoutSaaS.Infrastructure
# 更新数据库
dotnet ef database update --project TakeoutSaaS.Infrastructure
```
### 6.2 版本控制
- 所有数据库变更通过Migration管理
- Migration文件纳入版本控制
- 生产环境变更需要审核

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# 管理后台 API 设计（Admin API）
- 项目：TakeoutSaaS.AdminApi
- 版本前缀：/api/admin/v1
- 认证：JWT + RBAC（平台、租户、商家角色）
- 租户识别：X-Tenant-Id 头或 Token Claim
## 1. 通用规范
- Content-Type: application/json
- 成功响应
{
"success": true,
"code": 200,
"message": "OK",
"data": {}
}
- 失败响应
{
"success": false,
"code": 422,
"message": "业务异常"
}
## 2. 认证与权限
- POST /api/admin/v1/auth/login
- POST /api/admin/v1/auth/refresh
- GET /api/admin/v1/auth/profile
- 角色：PlatformAdmin、TenantAdmin、MerchantAdmin、Staff
## 3. 租户与商家管理
- 租户
- GET /api/admin/v1/tenants
- POST /api/admin/v1/tenants
- PUT /api/admin/v1/tenants/{id}
- PATCH/api/admin/v1/tenants/{id}/status
- 商家
- GET /api/admin/v1/merchants
- POST /api/admin/v1/merchants
- GET /api/admin/v1/merchants/{id}
- PUT /api/admin/v1/merchants/{id}
- DELETE /api/admin/v1/merchants/{id}
- 门店
- GET /api/admin/v1/stores
- POST /api/admin/v1/stores
## 4. 菜品管理
- 分类
- GET /api/admin/v1/categories
- POST /api/admin/v1/categories
- PUT /api/admin/v1/categories/{id}
- DELETE /api/admin/v1/categories/{id}
- 菜品
- GET /api/admin/v1/dishes
- POST /api/admin/v1/dishes
- GET /api/admin/v1/dishes/{id}
- PUT /api/admin/v1/dishes/{id}
- PATCH/api/admin/v1/dishes/batch-status
## 5. 订单与售后
- 订单
- GET /api/admin/v1/orders
- GET /api/admin/v1/orders/{id}
- POST /api/admin/v1/orders/{id}/accept
- POST /api/admin/v1/orders/{id}/cook
- POST /api/admin/v1/orders/{id}/deliver
- POST /api/admin/v1/orders/{id}/complete
- POST /api/admin/v1/orders/{id}/cancel
- 售后
- GET /api/admin/v1/refunds
- POST /api/admin/v1/refunds/{id}/approve
- POST /api/admin/v1/refunds/{id}/reject
## 6. 营销与用户运营
- 优惠券
- GET /api/admin/v1/coupons
- POST /api/admin/v1/coupons
- PUT /api/admin/v1/coupons/{id}
- PATCH/api/admin/v1/coupons/{id}/status
- 评价
- GET /api/admin/v1/reviews
- POST /api/admin/v1/reviews/{id}/reply
## 7. 统计报表
- GET /api/admin/v1/statistics/merchant/overview?merchantId=
- GET /api/admin/v1/statistics/platform/overview
## 8. 文件上传
- POST /api/admin/v1/files/upload (multipart/form-data)
## 9. WebSocket（可选）
- ws://{host}/ws/admin?token=xxx
- 主题：order.new、order.status、refund.updated

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# 小程序/用户端 API 设计（Mini API）
- 项目：TakeoutSaaS.MiniApi
- 版本前缀：/api/mini/v1
- 认证：JWT（小程序登录态）/ 第三方登录（微信/支付宝）
- 租户识别：X-Tenant-Id 头或域名/小程序场景参数
## 1. 通用规范
- Content-Type: application/json
- 成功响应
{
"success": true,
"code": 200,
"message": "OK",
"data": {}
}
## 2. 认证登录
- 微信登录
- POST /api/mini/v1/auth/wechat/login
- { code, encryptedData?, iv? }
- 刷新Token
- POST /api/mini/v1/auth/refresh
- 获取用户信息
- GET /api/mini/v1/me
## 3. 商家与门店
- 获取推荐商家
- GET /api/mini/v1/merchants/recommend?lat=&lng=&pageIndex=&pageSize=
- 商家详情（含门店与公告）
- GET /api/mini/v1/merchants/{id}
- 门店列表（按距离）
- GET /api/mini/v1/merchants/{id}/stores?lat=&lng=
## 4. 菜品与分类
- 分类列表
- GET /api/mini/v1/categories?merchantId=
- 菜品列表
- GET /api/mini/v1/dishes?merchantId=&categoryId=&keyword=&sort=
- 菜品详情
- GET /api/mini/v1/dishes/{id}
## 5. 购物车
- 获取购物车
- GET /api/mini/v1/cart?merchantId=
- 同步购物车（幂等）
- PUT /api/mini/v1/cart
- { merchantId, items:[{dishId,specId?,quantity}] }
- 清空购物车
- DELETE /api/mini/v1/cart?merchantId=
## 6. 地址簿
- 地址列表
- GET /api/mini/v1/addresses
- 新增地址
- POST /api/mini/v1/addresses
- 更新地址
- PUT /api/mini/v1/addresses/{id}
- 删除地址
- DELETE /api/mini/v1/addresses/{id}
- 设为默认地址
- POST /api/mini/v1/addresses/{id}/default
## 7. 订单
- 创建订单（下单）
- POST /api/mini/v1/orders
- { merchantId, storeId, items:[{dishId,specId?,quantity}], addressId, remark?, couponId? }
- 订单列表
- GET /api/mini/v1/orders?status=&pageIndex=&pageSize=
- 订单详情
- GET /api/mini/v1/orders/{id}
- 取消订单
- POST /api/mini/v1/orders/{id}/cancel { reason }
- 再来一单
- POST /api/mini/v1/orders/{id}/reorder
## 8. 支付
- 预下单（获取支付参数）
- POST /api/mini/v1/payments
- { orderId, method: wechat|alipay }
- 查询支付状态
- GET /api/mini/v1/payments/{paymentNo}
- 第三方回调（回调专用）
- POST /api/mini/v1/payments/callback/wechat
- POST /api/mini/v1/payments/callback/alipay
## 9. 优惠券
- 可领取优惠券列表
- GET /api/mini/v1/coupons/available?merchantId=
- 领取优惠券
- POST /api/mini/v1/coupons/{id}/receive
- 我的优惠券
- GET /api/mini/v1/user-coupons?status=
## 10. 评价
- 发表评价
- POST /api/mini/v1/reviews { orderId, rating, content?, images?[] }
- 商家评价列表
- GET /api/mini/v1/reviews?merchantId=&rating=&page=
## 11. 文件上传
- 上传评价图片/头像
- POST /api/mini/v1/files/upload (multipart/form-data)
## 12. WebSocket（可选）
- ws://{host}/ws/mini?token=xxx
- 主题：order.status, payment.success

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# 外卖SaaS系统 - API接口设计
## 1. API设计规范
### 1.1 RESTful规范
- 使用标准HTTP方法：GET、POST、PUT、DELETE、PATCH
- URL使用名词复数形式，如：`/api/orders`
- 使用HTTP状态码表示请求结果
- 版本控制：`/api/v1/orders`
### 1.2 请求规范
- **Content-Type**：`application/json`
- **认证方式**：Bearer Token (JWT)
- **租户识别**：通过Header `X-Tenant-Id` 或从Token中解析
### 1.3 响应规范
```json
{
"success": true,
"code": 200,
"message": "操作成功",
"data": {},
"timestamp": "2024-01-01T12:00:00Z"
}
```
### 1.4 错误响应
```json
{
"success": false,
"code": 400,
"message": "参数错误",
"errors": [
{
"field": "phone",
"message": "手机号格式不正确"
}
],
"timestamp": "2024-01-01T12:00:00Z"
}
```
### 1.5 HTTP状态码
- **200 OK**：请求成功
- **201 Created**：创建成功
- **204 No Content**：删除成功
- **400 Bad Request**：参数错误
- **401 Unauthorized**：未认证
- **403 Forbidden**：无权限
- **404 Not Found**：资源不存在
- **409 Conflict**：资源冲突
- **422 Unprocessable Entity**：业务逻辑错误
- **500 Internal Server Error**：服务器错误
### 1.6 分页规范
```json
// 请求参数
{
"pageIndex": 1,
"pageSize": 20,
"sortBy": "createdAt",
"sortOrder": "desc"
}
// 响应格式
{
"success": true,
"data": {
"items": [],
"totalCount": 100,
"pageIndex": 1,
"pageSize": 20,
"totalPages": 5
}
}
```
## 2. 认证授权接口
### 2.1 用户登录
```http
POST /api/v1/auth/login
Content-Type: application/json
{
"phone": "13800138000",
"password": "password123",
"loginType": "customer" // customer, merchant, system
}
Response:
{
"success": true,
"data": {
"accessToken": "eyJhbGciOiJIUzI1NiIs...",
"refreshToken": "eyJhbGciOiJIUzI1NiIs...",
"expiresIn": 7200,
"tokenType": "Bearer",
"userInfo": {
"id": "uuid",
"phone": "13800138000",
"nickname": "张三",
"avatar": "https://..."
}
}
}
```
### 2.2 刷新Token
```http
POST /api/v1/auth/refresh
Content-Type: application/json
{
"refreshToken": "eyJhbGciOiJIUzI1NiIs..."
}
Response:
{
"success": true,
"data": {
"accessToken": "eyJhbGciOiJIUzI1NiIs...",
"expiresIn": 7200
}
}
```
### 2.3 用户注册
```http
POST /api/v1/auth/register
Content-Type: application/json
{
"phone": "13800138000",
"password": "password123",
"verificationCode": "123456",
"nickname": "张三"
}
```
### 2.4 发送验证码
```http
POST /api/v1/auth/send-code
Content-Type: application/json
{
"phone": "13800138000",
"type": "register" // register, login, reset_password
}
```
## 3. 商家管理接口
### 3.1 获取商家列表
```http
GET /api/v1/merchants?pageIndex=1&pageSize=20&keyword=&status=1
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"items": [
{
"id": "uuid",
"name": "美味餐厅",
"logo": "https://...",
"rating": 4.5,
"totalSales": 1000,
"status": 1,
"createdAt": "2024-01-01T12:00:00Z"
}
],
"totalCount": 50,
"pageIndex": 1,
"pageSize": 20
}
}
```
### 3.2 获取商家详情
```http
GET /api/v1/merchants/{id}
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"id": "uuid",
"name": "美味餐厅",
"logo": "https://...",
"description": "专注美食20年",
"contactPhone": "400-123-4567",
"rating": 4.5,
"totalSales": 1000,
"status": 1,
"stores": [
{
"id": "uuid",
"name": "总店",
"address": "北京市朝阳区...",
"phone": "010-12345678"
}
]
}
}
```
### 3.3 创建商家
```http
POST /api/v1/merchants
Authorization: Bearer {token}
Content-Type: application/json
{
"name": "美味餐厅",
"logo": "https://...",
"description": "专注美食20年",
"contactPhone": "400-123-4567",
"contactPerson": "张三",
"businessLicense": "91110000..."
}
```
### 3.4 更新商家信息
```http
PUT /api/v1/merchants/{id}
Authorization: Bearer {token}
Content-Type: application/json
{
"name": "美味餐厅",
"logo": "https://...",
"description": "专注美食20年"
}
```
### 3.5 删除商家
```http
DELETE /api/v1/merchants/{id}
Authorization: Bearer {token}
```
## 4. 菜品管理接口
### 4.1 获取菜品列表
```http
GET /api/v1/dishes?merchantId={merchantId}&categoryId={categoryId}&keyword=&status=1&pageIndex=1&pageSize=20
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"items": [
{
"id": "uuid",
"name": "宫保鸡丁",
"description": "经典川菜",
"image": "https://...",
"price": 38.00,
"originalPrice": 48.00,
"salesCount": 500,
"rating": 4.8,
"status": 1,
"tags": ["热销", "招牌菜"]
}
],
"totalCount": 100
}
}
```
### 4.2 获取菜品详情
```http
GET /api/v1/dishes/{id}
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"id": "uuid",
"name": "宫保鸡丁",
"description": "经典川菜，选用优质鸡肉...",
"image": "https://...",
"price": 38.00,
"originalPrice": 48.00,
"unit": "份",
"stock": 100,
"salesCount": 500,
"rating": 4.8,
"status": 1,
"tags": ["热销", "招牌菜"],
"specs": [
{
"id": "uuid",
"name": "大份",
"price": 48.00,
"stock": 50
},
{
"id": "uuid",
"name": "小份",
"price": 28.00,
"stock": 50
}
]
}
}
```
### 4.3 创建菜品
```http
POST /api/v1/dishes
Authorization: Bearer {token}
Content-Type: application/json
{
"merchantId": "uuid",
"categoryId": "uuid",
"name": "宫保鸡丁",
"description": "经典川菜",
"image": "https://...",
"price": 38.00,
"originalPrice": 48.00,
"unit": "份",
"stock": 100,
"tags": ["热销", "招牌菜"],
"specs": [
{
"name": "大份",
"price": 48.00,
"stock": 50
}
]
}
```
### 4.4 更新菜品
```http
PUT /api/v1/dishes/{id}
Authorization: Bearer {token}
Content-Type: application/json
{
"name": "宫保鸡丁",
"price": 38.00,
"stock": 100,
"status": 1
}
```
### 4.5 批量上下架
```http
PATCH /api/v1/dishes/batch-status
Authorization: Bearer {token}
Content-Type: application/json
{
"dishIds": ["uuid1", "uuid2"],
"status": 1 // 1:上架 2:下架
}
```
## 5. 订单管理接口
### 5.1 创建订单
```http
POST /api/v1/orders
Authorization: Bearer {token}
Content-Type: application/json
{
"merchantId": "uuid",
"storeId": "uuid",
"items": [
{
"dishId": "uuid",
"specId": "uuid",
"quantity": 2,
"price": 38.00
}
],
"deliveryAddress": {
"contactName": "张三",
"contactPhone": "13800138000",
"address": "北京市朝阳区...",
"latitude": 39.9042,
"longitude": 116.4074
},
"remark": "少辣",
"couponId": "uuid"
}
Response:
{
"success": true,
"data": {
"orderId": "uuid",
"orderNo": "202401010001",
"totalAmount": 76.00,
"deliveryFee": 5.00,
"discountAmount": 10.00,
"actualAmount": 71.00,
"paymentInfo": {
"paymentNo": "PAY202401010001",
"qrCode": "https://..." // 支付二维码
}
}
}
```
### 5.2 获取订单列表
```http
GET /api/v1/orders?status=&startDate=&endDate=&pageIndex=1&pageSize=20
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"items": [
{
"id": "uuid",
"orderNo": "202401010001",
"merchantName": "美味餐厅",
"totalAmount": 76.00,
"actualAmount": 71.00,
"status": 2,
"statusText": "待接单",
"createdAt": "2024-01-01T12:00:00Z",
"items": [
{
"dishName": "宫保鸡丁",
"specName": "大份",
"quantity": 2,
"price": 38.00
}
]
}
],
"totalCount": 50
}
}
```
### 5.3 获取订单详情
```http
GET /api/v1/orders/{id}
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"id": "uuid",
"orderNo": "202401010001",
"merchant": {
"id": "uuid",
"name": "美味餐厅",
"phone": "400-123-4567"
},
"items": [
{
"dishName": "宫保鸡丁",
"dishImage": "https://...",
"specName": "大份",
"quantity": 2,
"price": 38.00,
"amount": 76.00
}
],
"deliveryAddress": {
"contactName": "张三",
"contactPhone": "13800138000",
"address": "北京市朝阳区..."
},
"dishAmount": 76.00,
"deliveryFee": 5.00,
"packageFee": 2.00,
"discountAmount": 10.00,
"totalAmount": 83.00,
"actualAmount": 73.00,
"status": 2,
"statusText": "待接单",
"paymentStatus": 1,
"paymentMethod": "wechat",
"estimatedDeliveryTime": "2024-01-01T13:00:00Z",
"createdAt": "2024-01-01T12:00:00Z",
"paidAt": "2024-01-01T12:05:00Z",
"remark": "少辣",
"timeline": [
{
"status": "created",
"statusText": "订单创建",
"time": "2024-01-01T12:00:00Z"
},
{
"status": "paid",
"statusText": "支付成功",
"time": "2024-01-01T12:05:00Z"
}
]
}
}
```
### 5.4 商家接单
```http
POST /api/v1/orders/{id}/accept
Authorization: Bearer {token}
Content-Type: application/json
{
"estimatedTime": 30 // 预计制作时长（分钟）
}
```
### 5.5 开始制作
```http
POST /api/v1/orders/{id}/cooking
Authorization: Bearer {token}
```
### 5.6 订单完成
```http
POST /api/v1/orders/{id}/complete
Authorization: Bearer {token}
```
### 5.7 取消订单
```http
POST /api/v1/orders/{id}/cancel
Authorization: Bearer {token}
Content-Type: application/json
{
"reason": "用户取消",
"cancelBy": "customer" // customer, merchant, system
}
```
## 6. 支付接口
### 6.1 创建支付
```http
POST /api/v1/payments
Authorization: Bearer {token}
Content-Type: application/json
{
"orderId": "uuid",
"paymentMethod": "wechat", // wechat, alipay, balance
"amount": 71.00
}
Response:
{
"success": true,
"data": {
"paymentNo": "PAY202401010001",
"qrCode": "https://...", // 支付二维码
"deepLink": "weixin://..." // 唤起支付的深度链接
}
}
```
### 6.2 查询支付状态
```http
GET /api/v1/payments/{paymentNo}
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"paymentNo": "PAY202401010001",
"status": 2, // 0:待支付 1:支付中 2:成功 3:失败
"amount": 71.00,
"paidAt": "2024-01-01T12:05:00Z"
}
}
```
### 6.3 支付回调（第三方调用）
```http
POST /api/v1/payments/callback/wechat
Content-Type: application/json
{
"out_trade_no": "PAY202401010001",
"transaction_id": "4200001234567890",
"total_fee": 7100,
"result_code": "SUCCESS"
}
```
### 6.4 申请退款
```http
POST /api/v1/refunds
Authorization: Bearer {token}
Content-Type: application/json
{
"orderId": "uuid",
"amount": 71.00,
"reason": "不想要了"
}
```
## 7. 配送管理接口
### 7.1 获取配送任务列表
```http
GET /api/v1/delivery-tasks?status=&driverId=&pageIndex=1&pageSize=20
Authorization: Bearer {token}
```
### 7.2 分配配送员
```http
POST /api/v1/delivery-tasks/{id}/assign
Authorization: Bearer {token}
Content-Type: application/json
{
"driverId": "uuid"
}
```
### 7.3 配送员接单
```http
POST /api/v1/delivery-tasks/{id}/accept
Authorization: Bearer {token}
```
### 7.4 确认取餐
```http
POST /api/v1/delivery-tasks/{id}/pickup
Authorization: Bearer {token}
```
### 7.5 确认送达
```http
POST /api/v1/delivery-tasks/{id}/deliver
Authorization: Bearer {token}
Content-Type: application/json
{
"deliveryCode": "123456" // 取餐码
}
```
### 7.6 更新配送员位置
```http
POST /api/v1/delivery-drivers/location
Authorization: Bearer {token}
Content-Type: application/json
{
"latitude": 39.9042,
"longitude": 116.4074
}
```
## 8. 营销管理接口
### 8.1 获取优惠券列表
```http
GET /api/v1/coupons?merchantId=&status=1&pageIndex=1&pageSize=20
Authorization: Bearer {token}
```
### 8.2 领取优惠券
```http
POST /api/v1/coupons/{id}/receive
Authorization: Bearer {token}
```
### 8.3 获取用户优惠券
```http
GET /api/v1/user-coupons?status=1&pageIndex=1&pageSize=20
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"items": [
{
"id": "uuid",
"couponName": "满50减10",
"discountValue": 10.00,
"minOrderAmount": 50.00,
"status": 1,
"expiredAt": "2024-12-31T23:59:59Z"
}
]
}
}
```
### 8.4 获取可用优惠券
```http
GET /api/v1/user-coupons/available?merchantId={merchantId}&amount={amount}
Authorization: Bearer {token}
```
## 9. 评价管理接口
### 9.1 创建评价
```http
POST /api/v1/reviews
Authorization: Bearer {token}
Content-Type: application/json
{
"orderId": "uuid",
"rating": 5,
"tasteRating": 5,
"packageRating": 5,
"deliveryRating": 5,
"content": "非常好吃",
"images": ["https://...", "https://..."],
"isAnonymous": false
}
```
### 9.2 获取商家评价列表
```http
GET /api/v1/reviews?merchantId={merchantId}&rating=&pageIndex=1&pageSize=20
Response:
{
"success": true,
"data": {
"items": [
{
"id": "uuid",
"userName": "张三",
"userAvatar": "https://...",
"rating": 5,
"content": "非常好吃",
"images": ["https://..."],
"createdAt": "2024-01-01T12:00:00Z",
"replyContent": "感谢支持",
"replyAt": "2024-01-01T13:00:00Z"
}
],
"totalCount": 100,
"statistics": {
"avgRating": 4.8,
"totalReviews": 100,
"rating5Count": 80,
"rating4Count": 15,
"rating3Count": 3,
"rating2Count": 1,
"rating1Count": 1
}
}
}
```
### 9.3 商家回复评价
```http
POST /api/v1/reviews/{id}/reply
Authorization: Bearer {token}
Content-Type: application/json
{
"replyContent": "感谢您的支持"
}
```
## 10. 数据统计接口
### 10.1 商家数据概览
```http
GET /api/v1/statistics/merchant/overview?merchantId={merchantId}&startDate=&endDate=
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"totalOrders": 1000,
"totalRevenue": 50000.00,
"avgOrderAmount": 50.00,
"completionRate": 0.95,
"todayOrders": 50,
"todayRevenue": 2500.00,
"orderTrend": [
{
"date": "2024-01-01",
"orders": 50,
"revenue": 2500.00
}
],
"topDishes": [
{
"dishId": "uuid",
"dishName": "宫保鸡丁",
"salesCount": 200,
"revenue": 7600.00
}
]
}
}
```
### 10.2 平台数据大盘
```http
GET /api/v1/statistics/platform/dashboard?startDate=&endDate=
Authorization: Bearer {token}
Response:
{
"success": true,
"data": {
"totalMerchants": 100,
"totalUsers": 10000,
"totalOrders": 50000,
"totalRevenue": 2500000.00,
"activeMerchants": 80,
"activeUsers": 5000,
"todayOrders": 500,
"todayRevenue": 25000.00
}
}
```
## 11. 文件上传接口
### 11.1 上传图片
```http
POST /api/v1/files/upload
Authorization: Bearer {token}
Content-Type: multipart/form-data
file: <binary>
type: dish_image // dish_image, merchant_logo, user_avatar, review_image
Response:
{
"success": true,
"data": {
"url": "https://cdn.example.com/images/xxx.jpg",
"fileName": "xxx.jpg",
"fileSize": 102400
}
}
```
## 12. WebSocket实时通知
### 12.1 连接WebSocket
```javascript
// 连接地址
ws://api.example.com/ws?token={jwt_token}
// 订阅主题
{
"action": "subscribe",
"topics": ["order.new", "order.status", "delivery.location"]
}
// 接收消息
{
"topic": "order.new",
"data": {
"orderId": "uuid",
"orderNo": "202401010001",
"merchantId": "uuid"
},
"timestamp": "2024-01-01T12:00:00Z"
}
```
### 12.2 消息主题
- `order.new`：新订单通知
- `order.status`：订单状态变更
- `delivery.location`：配送员位置更新
- `payment.success`：支付成功通知

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# 外卖SaaS系统 - 部署运维
## 1. 环境要求
### 1.1 开发环境
- **.NET SDK**：10.0 或更高版本
- **IDE**：Visual Studio 2022 / JetBrains Rider / VS Code
- **数据库**：PostgreSQL 16+
- **缓存**：Redis 7.0+
- **消息队列**：RabbitMQ 3.12+
- **Git**：版本控制
- **Docker Desktop**：容器化开发（可选）
### 1.2 生产环境
- **操作系统**：Linux (Ubuntu 22.04 LTS / CentOS 8+)
- **运行时**：.NET Runtime 10.0
- **Web服务器**：Nginx 1.24+
- **数据库**：PostgreSQL 16+ (主从复制)
- **缓存**：Redis 7.0+ (哨兵模式)
- **消息队列**：RabbitMQ 3.12+ (集群模式)
- **对象存储**：MinIO / 阿里云OSS / 腾讯云COS
- **监控**：Prometheus + Grafana
- **日志**：ELK Stack (Elasticsearch + Logstash + Kibana)
### 1.3 硬件要求（生产环境）
- **应用服务器**：4核8GB内存（最低），推荐8核16GB
- **数据库服务器**：8核16GB内存，SSD存储
- **Redis服务器**：4核8GB内存
- **负载均衡器**：2核4GB内存
## 2. 本地开发环境搭建
### 2.1 安装.NET SDK
```bash
# Windows
# 从官网下载安装：https://dotnet.microsoft.com/download
# Linux (Ubuntu)
wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
sudo apt-get update
sudo apt-get install -y dotnet-sdk-10.0
# 验证安装
dotnet --version
```
### 2.2 安装PostgreSQL
```bash
# Ubuntu
sudo apt-get update
sudo apt-get install -y postgresql-16 postgresql-contrib-16
# 启动服务
sudo systemctl start postgresql
sudo systemctl enable postgresql
# 创建数据库
sudo -u postgres psql
CREATE DATABASE takeout_saas;
CREATE USER takeout_user WITH PASSWORD 'your_password';
GRANT ALL PRIVILEGES ON DATABASE takeout_saas TO takeout_user;
\q
```
### 2.3 安装Redis
```bash
# Ubuntu
sudo apt-get install -y redis-server
# 启动服务
sudo systemctl start redis-server
sudo systemctl enable redis-server
# 测试连接
redis-cli ping
```
### 2.4 安装RabbitMQ
```bash
# Ubuntu
sudo apt-get install -y rabbitmq-server
# 启动服务
sudo systemctl start rabbitmq-server
sudo systemctl enable rabbitmq-server
# 启用管理插件
sudo rabbitmq-plugins enable rabbitmq_management
# 创建用户
sudo rabbitmqctl add_user admin password
sudo rabbitmqctl set_user_tags admin administrator
sudo rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"
# 访问管理界面：http://localhost:15672
```
### 2.5 使用Docker Compose（推荐）
```yaml
# docker-compose.yml
version: '3.8'
services:
postgres:
image: postgres:16
container_name: takeout_postgres
environment:
POSTGRES_DB: takeout_saas
POSTGRES_USER: takeout_user
POSTGRES_PASSWORD: your_password
ports:
- "5432:5432"
volumes:
- postgres_data:/var/lib/postgresql/data
redis:
image: redis:7-alpine
container_name: takeout_redis
ports:
- "6379:6379"
volumes:
- redis_data:/data
rabbitmq:
image: rabbitmq:3.12-management
container_name: takeout_rabbitmq
environment:
RABBITMQ_DEFAULT_USER: admin
RABBITMQ_DEFAULT_PASS: password
ports:
- "5672:5672"
- "15672:15672"
volumes:
- rabbitmq_data:/var/lib/rabbitmq
minio:
image: minio/minio:latest
container_name: takeout_minio
command: server /data --console-address ":9001"
environment:
MINIO_ROOT_USER: admin
MINIO_ROOT_PASSWORD: password123
ports:
- "9000:9000"
- "9001:9001"
volumes:
- minio_data:/data
volumes:
postgres_data:
redis_data:
rabbitmq_data:
minio_data:
```
```bash
# 启动所有服务
docker-compose up -d
# 查看服务状态
docker-compose ps
# 停止服务
docker-compose down
```
### 2.6 配置项目
```bash
# 克隆项目
git clone https://github.com/your-org/takeout-saas.git
cd takeout-saas
# 还原依赖
dotnet restore
# 配置appsettings.Development.json
{
"ConnectionStrings": {
"DefaultConnection": "Host=localhost;Port=5432;Database=takeout_saas;Username=takeout_user;Password=your_password"
},
"Redis": {
"Configuration": "localhost:6379"
},
"RabbitMQ": {
"Host": "localhost",
"Port": 5672,
"Username": "admin",
"Password": "password"
}
}
# 执行数据库迁移
cd src/TakeoutSaaS.Api
dotnet ef database update
# 运行项目
dotnet run
```
## 3. Docker部署
### 3.1 创建Dockerfile
```dockerfile
# Dockerfile
FROM mcr.microsoft.com/dotnet/aspnet:10.0 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443
FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
WORKDIR /src
COPY ["src/TakeoutSaaS.Api/TakeoutSaaS.Api.csproj", "src/TakeoutSaaS.Api/"]
COPY ["src/TakeoutSaaS.Application/TakeoutSaaS.Application.csproj", "src/TakeoutSaaS.Application/"]
COPY ["src/TakeoutSaaS.Domain/TakeoutSaaS.Domain.csproj", "src/TakeoutSaaS.Domain/"]
COPY ["src/TakeoutSaaS.Infrastructure/TakeoutSaaS.Infrastructure.csproj", "src/TakeoutSaaS.Infrastructure/"]
COPY ["src/TakeoutSaaS.Shared/TakeoutSaaS.Shared.csproj", "src/TakeoutSaaS.Shared/"]
RUN dotnet restore "src/TakeoutSaaS.Api/TakeoutSaaS.Api.csproj"
COPY . .
WORKDIR "/src/src/TakeoutSaaS.Api"
RUN dotnet build "TakeoutSaaS.Api.csproj" -c Release -o /app/build
FROM build AS publish
RUN dotnet publish "TakeoutSaaS.Api.csproj" -c Release -o /app/publish /p:UseAppHost=false
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "TakeoutSaaS.Api.dll"]
```
### 3.2 构建镜像
```bash
# 构建镜像
docker build -t takeout-saas-api:latest .
# 查看镜像
docker images | grep takeout-saas
# 运行容器
docker run -d \
--name takeout-api \
-p 8080:80 \
-e ASPNETCORE_ENVIRONMENT=Production \
-e ConnectionStrings__DefaultConnection="Host=postgres;Port=5432;Database=takeout_saas;Username=takeout_user;Password=your_password" \
takeout-saas-api:latest
```
### 3.3 生产环境Docker Compose
```yaml
# docker-compose.prod.yml
version: '3.8'
services:
api:
image: takeout-saas-api:latest
container_name: takeout_api
restart: always
environment:
ASPNETCORE_ENVIRONMENT: Production
ConnectionStrings__DefaultConnection: "Host=postgres;Port=5432;Database=takeout_saas;Username=takeout_user;Password=${DB_PASSWORD}"
Redis__Configuration: "redis:6379"
RabbitMQ__Host: "rabbitmq"
ports:
- "8080:80"
depends_on:
- postgres
- redis
- rabbitmq
networks:
- takeout_network
nginx:
image: nginx:latest
container_name: takeout_nginx
restart: always
ports:
- "80:80"
- "443:443"
volumes:
- ./nginx/nginx.conf:/etc/nginx/nginx.conf
- ./nginx/ssl:/etc/nginx/ssl
depends_on:
- api
networks:
- takeout_network
networks:
takeout_network:
driver: bridge
```
## 4. Nginx配置
### 4.1 基础配置
```nginx
# /etc/nginx/nginx.conf
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
# Gzip压缩
gzip on;
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_types text/plain text/css text/xml text/javascript
application/json application/javascript application/xml+rss
application/rss+xml font/truetype font/opentype
application/vnd.ms-fontobject image/svg+xml;
# 限流配置
limit_req_zone $binary_remote_addr zone=api_limit:10m rate=100r/s;
limit_conn_zone $binary_remote_addr zone=conn_limit:10m;
include /etc/nginx/conf.d/*.conf;
}
```
### 4.2 API服务配置
```nginx
# /etc/nginx/conf.d/api.conf
upstream api_backend {
least_conn;
server api1:80 weight=1 max_fails=3 fail_timeout=30s;
server api2:80 weight=1 max_fails=3 fail_timeout=30s;
keepalive 32;
}
server {
listen 80;
server_name api.example.com;
# 重定向到HTTPS
return 301 https://$server_name$request_uri;
}
server {
listen 443 ssl http2;
server_name api.example.com;
# SSL证书配置
ssl_certificate /etc/nginx/ssl/cert.pem;
ssl_certificate_key /etc/nginx/ssl/key.pem;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
# 安全头
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
# 客户端请求体大小限制
client_max_body_size 10M;
# API接口
location /api/ {
# 限流
limit_req zone=api_limit burst=20 nodelay;
limit_conn conn_limit 10;
proxy_pass http://api_backend;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
# 超时设置
proxy_connect_timeout 60s;
proxy_send_timeout 60s;
proxy_read_timeout 60s;
# 缓冲设置
proxy_buffering on;
proxy_buffer_size 4k;
proxy_buffers 8 4k;
proxy_busy_buffers_size 8k;
}
# WebSocket
location /ws {
proxy_pass http://api_backend;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
# WebSocket超时
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
}
# 健康检查
location /health {
proxy_pass http://api_backend;
access_log off;
}
# 静态文件缓存
location ~* \.(jpg|jpeg|png|gif|ico|css|js|svg|woff|woff2|ttf|eot)$ {
proxy_pass http://api_backend;
expires 30d;
add_header Cache-Control "public, immutable";
}
}
```
## 5. 数据库部署
### 5.1 PostgreSQL主从复制
```bash
# 主库配置 (postgresql.conf)
listen_addresses = '*'
wal_level = replica
max_wal_senders = 10
wal_keep_size = 64MB
hot_standby = on
# 主库配置 (pg_hba.conf)
host replication replicator 192.168.1.0/24 md5
# 创建复制用户
CREATE USER replicator WITH REPLICATION ENCRYPTED PASSWORD 'repl_password';
# 从库配置
# 1. 停止从库
sudo systemctl stop postgresql
# 2. 清空从库数据目录
rm -rf /var/lib/postgresql/16/main/*
# 3. 从主库复制数据
pg_basebackup -h master_ip -D /var/lib/postgresql/16/main -U replicator -P -v -R -X stream -C -S replica1
# 4. 启动从库
sudo systemctl start postgresql
# 5. 验证复制状态
# 主库执行
SELECT * FROM pg_stat_replication;
```
### 5.2 数据库备份脚本
```bash
#!/bin/bash
# backup_db.sh
BACKUP_DIR="/backup/postgres"
DATE=$(date +%Y%m%d_%H%M%S)
DB_NAME="takeout_saas"
DB_USER="takeout_user"
RETENTION_DAYS=30
# 创建备份目录
mkdir -p $BACKUP_DIR
# 全量备份
pg_dump -h localhost -U $DB_USER -d $DB_NAME -F c -f $BACKUP_DIR/full_$DATE.dump
# 压缩备份
gzip $BACKUP_DIR/full_$DATE.dump
# 删除过期备份
find $BACKUP_DIR -name "full_*.dump.gz" -mtime +$RETENTION_DAYS -delete
# 上传到对象存储（可选）
# aws s3 cp $BACKUP_DIR/full_$DATE.dump.gz s3://your-bucket/backups/
echo "Backup completed: full_$DATE.dump.gz"
```
### 5.3 定时备份（Crontab）
```bash
# 编辑crontab
crontab -e
# 每天凌晨2点执行备份
0 2 * * * /path/to/backup_db.sh >> /var/log/backup.log 2>&1
```
## 6. Redis部署
### 6.1 Redis哨兵模式
```bash
# redis.conf (主节点)
bind 0.0.0.0
port 6379
requirepass your_password
masterauth your_password
# sentinel.conf
port 26379
sentinel monitor mymaster 192.168.1.100 6379 2
sentinel auth-pass mymaster your_password
sentinel down-after-milliseconds mymaster 5000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000
```
### 6.2 Redis持久化配置
```bash
# redis.conf
# RDB持久化
save 900 1
save 300 10
save 60 10000
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
# AOF持久化
appendonly yes
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
```
## 7. CI/CD配置
### 7.1 GitHub Actions
```yaml
# .github/workflows/deploy.yml
name: Deploy to Production
on:
push:
branches: [ main ]
jobs:
build-and-deploy:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: Setup .NET
uses: actions/setup-dotnet@v3
with:
dotnet-version: '10.0.x'
- name: Restore dependencies
run: dotnet restore
- name: Build
run: dotnet build --configuration Release --no-restore
- name: Test
run: dotnet test --no-build --verbosity normal
- name: Publish
run: dotnet publish src/TakeoutSaaS.Api/TakeoutSaaS.Api.csproj -c Release -o ./publish
- name: Build Docker image
run: |
docker build -t takeout-saas-api:${{ github.sha }} .
docker tag takeout-saas-api:${{ github.sha }} takeout-saas-api:latest
- name: Push to Registry
run: |
echo ${{ secrets.DOCKER_PASSWORD }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
docker push takeout-saas-api:${{ github.sha }}
docker push takeout-saas-api:latest
- name: Deploy to Server
uses: appleboy/ssh-action@master
with:
host: ${{ secrets.SERVER_HOST }}
username: ${{ secrets.SERVER_USER }}
key: ${{ secrets.SSH_PRIVATE_KEY }}
script: |
cd /opt/takeout-saas
docker-compose pull
docker-compose up -d
docker system prune -f
```
### 7.2 GitLab CI
```yaml
# .gitlab-ci.yml
stages:
- build
- test
- deploy
variables:
DOCKER_IMAGE: registry.example.com/takeout-saas-api
build:
stage: build
image: mcr.microsoft.com/dotnet/sdk:10.0
script:
- dotnet restore
- dotnet build --configuration Release
artifacts:
paths:
- src/*/bin/Release/
test:
stage: test
image: mcr.microsoft.com/dotnet/sdk:10.0
script:
- dotnet test --configuration Release
deploy:
stage: deploy
image: docker:latest
services:
- docker:dind
script:
- docker build -t $DOCKER_IMAGE:$CI_COMMIT_SHA .
- docker tag $DOCKER_IMAGE:$CI_COMMIT_SHA $DOCKER_IMAGE:latest
- docker push $DOCKER_IMAGE:$CI_COMMIT_SHA
- docker push $DOCKER_IMAGE:latest
only:
- main
```
## 8. 监控告警
### 8.1 Prometheus配置
```yaml
# prometheus.yml
global:
scrape_interval: 15s
evaluation_interval: 15s
scrape_configs:
- job_name: 'takeout-api'
static_configs:
- targets: ['api:80']
metrics_path: '/metrics'
- job_name: 'postgres'
static_configs:
- targets: ['postgres-exporter:9187']
- job_name: 'redis'
static_configs:
- targets: ['redis-exporter:9121']
- job_name: 'node'
static_configs:
- targets: ['node-exporter:9100']
```
### 8.2 应用监控指标
```csharp
// Program.cs - 添加Prometheus监控
builder.Services.AddPrometheusMetrics();
app.UseMetricServer(); // /metrics端点
app.UseHttpMetrics(); // HTTP请求指标
// 自定义指标
public class MetricsService
{
private static readonly Counter OrderCreatedCounter = Metrics
.CreateCounter("orders_created_total", "Total orders created");
private static readonly Histogram OrderProcessingDuration = Metrics
.CreateHistogram("order_processing_duration_seconds", "Order processing duration");
public void RecordOrderCreated()
{
OrderCreatedCounter.Inc();
}
public IDisposable MeasureOrderProcessing()
{
return OrderProcessingDuration.NewTimer();
}
}
```
### 8.3 Grafana仪表板
```json
{
"dashboard": {
"title": "外卖SaaS系统监控",
"panels": [
{
"title": "API请求速率",
"targets": [
{
"expr": "rate(http_requests_total[5m])"
}
]
},
{
"title": "订单创建数",
"targets": [
{
"expr": "increase(orders_created_total[1h])"
}
]
},
{
"title": "数据库连接数",
"targets": [
{
"expr": "pg_stat_activity_count"
}
]
}
]
}
}
```
### 8.4 告警规则
```yaml
# alert.rules.yml
groups:
- name: takeout_alerts
interval: 30s
rules:
- alert: HighErrorRate
expr: rate(http_requests_total{status=~"5.."}[5m]) > 0.05
for: 5m
labels:
severity: critical
annotations:
summary: "高错误率告警"
description: "API错误率超过5%"
- alert: DatabaseDown
expr: up{job="postgres"} == 0
for: 1m
labels:
severity: critical
annotations:
summary: "数据库宕机"
description: "PostgreSQL数据库不可用"
- alert: HighMemoryUsage
expr: (node_memory_MemTotal_bytes - node_memory_MemAvailable_bytes) / node_memory_MemTotal_bytes > 0.9
for: 5m
labels:
severity: warning
annotations:
summary: "内存使用率过高"
description: "内存使用率超过90%"
```
## 9. 日志管理
### 9.1 Serilog配置
```json
{
"Serilog": {
"Using": ["Serilog.Sinks.Console", "Serilog.Sinks.File", "Serilog.Sinks.Elasticsearch"],
"MinimumLevel": {
"Default": "Information",
"Override": {
"Microsoft": "Warning",
"System": "Warning"
}
},
"WriteTo": [
{
"Name": "Console",
"Args": {
"outputTemplate": "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj}{NewLine}{Exception}"
}
},
{
"Name": "File",
"Args": {
"path": "logs/log-.txt",
"rollingInterval": "Day",
"retainedFileCountLimit": 30
}
},
{
"Name": "Elasticsearch",
"Args": {
"nodeUris": "http://elasticsearch:9200",
"indexFormat": "takeout-logs-{0:yyyy.MM.dd}",
"autoRegisterTemplate": true
}
}
],
"Enrich": ["FromLogContext", "WithMachineName", "WithThreadId"]
}
}
```
### 9.2 ELK Stack部署
```yaml
# docker-compose.elk.yml
version: '3.8'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:8.11.0
environment:
- discovery.type=single-node
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ports:
- "9200:9200"
volumes:
- es_data:/usr/share/elasticsearch/data
logstash:
image: docker.elastic.co/logstash/logstash:8.11.0
volumes:
- ./logstash/pipeline:/usr/share/logstash/pipeline
ports:
- "5044:5044"
depends_on:
- elasticsearch
kibana:
image: docker.elastic.co/kibana/kibana:8.11.0
ports:
- "5601:5601"
environment:
ELASTICSEARCH_HOSTS: http://elasticsearch:9200
depends_on:
- elasticsearch
volumes:
es_data:
```
## 10. 安全加固
### 10.1 防火墙配置
```bash
# UFW防火墙
sudo ufw enable
sudo ufw allow 22/tcp # SSH
sudo ufw allow 80/tcp # HTTP
sudo ufw allow 443/tcp # HTTPS
sudo ufw deny 5432/tcp # 禁止外部访问数据库
sudo ufw deny 6379/tcp # 禁止外部访问Redis
```
### 10.2 SSL证书（Let's Encrypt）
```bash
# 安装Certbot
sudo apt-get install certbot python3-certbot-nginx
# 获取证书
sudo certbot --nginx -d api.example.com
# 自动续期
sudo certbot renew --dry-run
# 添加定时任务
0 3 * * * certbot renew --quiet
```
### 10.3 应用安全配置
```csharp
// Program.cs
builder.Services.AddHsts(options =>
{
options.MaxAge = TimeSpan.FromDays(365);
options.IncludeSubDomains = true;
options.Preload = true;
});
builder.Services.AddHttpsRedirection(options =>
{
options.RedirectStatusCode = StatusCodes.Status308PermanentRedirect;
options.HttpsPort = 443;
});
// 添加安全头
app.Use(async (context, next) =>
{
context.Response.Headers.Add("X-Content-Type-Options", "nosniff");
context.Response.Headers.Add("X-Frame-Options", "DENY");
context.Response.Headers.Add("X-XSS-Protection", "1; mode=block");
context.Response.Headers.Add("Referrer-Policy", "no-referrer");
await next();
});
```
## 11. 性能优化
### 11.1 数据库连接池
```json
{
"ConnectionStrings": {
"DefaultConnection": "Host=localhost;Port=5432;Database=takeout_saas;Username=user;Password=pass;Pooling=true;MinPoolSize=5;MaxPoolSize=100;ConnectionLifetime=300"
}
}
```
### 11.2 Redis连接池
```csharp
services.AddStackExchangeRedisCache(options =>
{
options.Configuration = configuration["Redis:Configuration"];
options.InstanceName = "TakeoutSaaS:";
});
```
### 11.3 响应压缩
```csharp
builder.Services.AddResponseCompression(options =>
{
options.EnableForHttps = true;
options.Providers.Add<GzipCompressionProvider>();
options.Providers.Add<BrotliCompressionProvider>();
});
```
## 12. 故障恢复
### 12.1 数据库恢复
```bash
# 从备份恢复
pg_restore -h localhost -U takeout_user -d takeout_saas -v /backup/full_20240101.dump
# PITR恢复到指定时间点
# 1. 停止数据库
sudo systemctl stop postgresql
# 2. 恢复基础备份
rm -rf /var/lib/postgresql/16/main/*
tar -xzf /backup/base_backup.tar.gz -C /var/lib/postgresql/16/main/
# 3. 配置recovery.conf
restore_command = 'cp /backup/wal_archive/%f %p'
recovery_target_time = '2024-01-01 12:00:00'
# 4. 启动数据库
sudo systemctl start postgresql
```
### 12.2 应用回滚
```bash
# Docker回滚到上一个版本
docker-compose down
docker-compose up -d --force-recreate --no-deps api
# 或使用特定版本
docker pull takeout-saas-api:previous-version
docker-compose up -d
```

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# 外卖SaaS系统 - 开发规范
## 1. 代码规范
### 1.1 命名规范
#### C#命名规范
```csharp
// 类名：PascalCase
public class OrderService { }
// 接口：I + PascalCase
public interface IOrderRepository { }
// 方法：PascalCase
public async Task<Order> CreateOrderAsync() { }
// 私有字段：_camelCase
private readonly IOrderRepository _orderRepository;
// 公共属性：PascalCase
public string OrderNo { get; set; }
// 局部变量：camelCase
var orderTotal = 100.00m;
// 常量：PascalCase
public const int MaxOrderItems = 50;
// 枚举：PascalCase
public enum OrderStatus
{
Pending = 1,
Confirmed = 2,
Completed = 3
}
```
#### 数据库命名规范
```sql
-- 表名：小写，下划线分隔，复数
orders
order_items
merchant_stores
-- 字段名：小写，下划线分隔
order_no
created_at
total_amount
-- 索引：idx_表名_字段名
idx_orders_merchant_id
idx_orders_created_at
-- 外键：fk_表名_引用表名
fk_orders_merchants
```
### 1.2 代码组织
#### 项目结构
```
TakeoutSaaS/
├── src/
│ ├── TakeoutSaaS.Api/ # Web API层
│ │ ├── Controllers/ # 控制器
│ │ ├── Filters/ # 过滤器
│ │ ├── Middleware/ # 中间件
│ │ ├── Models/ # DTO模型
│ │ └── Program.cs
│ ├── TakeoutSaaS.Application/ # 应用层
│ │ ├── Services/ # 应用服务
│ │ ├── DTOs/ # 数据传输对象
│ │ ├── Interfaces/ # 服务接口
│ │ ├── Validators/ # 验证器
│ │ ├── Mappings/ # 对象映射
│ │ └── Commands/ # CQRS命令
│ │ └── Queries/ # CQRS查询
│ ├── TakeoutSaaS.Domain/ # 领域层
│ │ ├── Entities/ # 实体
│ │ ├── ValueObjects/ # 值对象
│ │ ├── Enums/ # 枚举
│ │ ├── Events/ # 领域事件
│ │ └── Interfaces/ # 仓储接口
│ ├── TakeoutSaaS.Infrastructure/ # 基础设施层
│ │ ├── Data/ # 数据访问
│ │ │ ├── EFCore/ # EF Core实现
│ │ │ ├── Dapper/ # Dapper实现
│ │ │ └── Repositories/ # 仓储实现
│ │ ├── Cache/ # 缓存实现
│ │ ├── MessageQueue/ # 消息队列
│ │ └── ExternalServices/ # 外部服务
│ └── TakeoutSaaS.Shared/ # 共享层
│ ├── Constants/ # 常量
│ ├── Exceptions/ # 异常
│ ├── Extensions/ # 扩展方法
│ └── Results/ # 统一返回结果
├── tests/
│ ├── TakeoutSaaS.UnitTests/ # 单元测试
│ ├── TakeoutSaaS.IntegrationTests/ # 集成测试
│ └── TakeoutSaaS.PerformanceTests/ # 性能测试
└── docs/ # 文档
```
### 1.3 代码注释
```csharp
/// <summary>
/// 订单服务接口
/// </summary>
public interface IOrderService
{
/// <summary>
/// 创建订单
/// </summary>
/// <param name="request">订单创建请求</param>
/// <returns>订单信息</returns>
/// <exception cref="BusinessException">业务异常</exception>
Task<OrderDto> CreateOrderAsync(CreateOrderRequest request);
}
// 复杂业务逻辑添加注释
public async Task<decimal> CalculateOrderAmount(Order order)
{
// 1. 计算菜品总金额
var dishAmount = order.Items.Sum(x => x.Price * x.Quantity);
// 2. 计算配送费（距离 > 3km，每公里加收2元）
var deliveryFee = CalculateDeliveryFee(order.Distance);
// 3. 应用优惠券折扣
var discount = await ApplyCouponDiscountAsync(order.CouponId, dishAmount);
// 4. 计算最终金额
return dishAmount + deliveryFee - discount;
}
```
### 1.4 异常处理
```csharp
// 自定义业务异常
public class BusinessException : Exception
{
public int ErrorCode { get; }
public BusinessException(int errorCode, string message)
: base(message)
{
ErrorCode = errorCode;
}
}
// 全局异常处理中间件
public class ExceptionHandlingMiddleware
{
private readonly RequestDelegate _next;
private readonly ILogger<ExceptionHandlingMiddleware> _logger;
public async Task InvokeAsync(HttpContext context)
{
try
{
await _next(context);
}
catch (BusinessException ex)
{
_logger.LogWarning(ex, "业务异常：{Message}", ex.Message);
await HandleBusinessExceptionAsync(context, ex);
}
catch (Exception ex)
{
_logger.LogError(ex, "系统异常：{Message}", ex.Message);
await HandleSystemExceptionAsync(context, ex);
}
}
private static Task HandleBusinessExceptionAsync(HttpContext context, BusinessException ex)
{
context.Response.StatusCode = StatusCodes.Status422UnprocessableEntity;
return context.Response.WriteAsJsonAsync(new
{
success = false,
code = ex.ErrorCode,
message = ex.Message
});
}
}
// 使用示例
public async Task<Order> GetOrderAsync(Guid orderId)
{
var order = await _orderRepository.GetByIdAsync(orderId);
if (order == null)
{
throw new BusinessException(404, "订单不存在");
}
return order;
}
```
## 2. Git工作流
### 2.1 分支管理
```
main # 主分支，生产环境代码
├── develop # 开发分支
│ ├── feature/order-management # 功能分支
│ ├── feature/payment-integration # 功能分支
│ └── bugfix/order-calculation # 修复分支
└── hotfix/critical-bug # 紧急修复分支
```
### 2.2 分支命名规范
- **功能分支**：`feature/功能名称`（如：`feature/order-management`）
- **修复分支**：`bugfix/问题描述`（如：`bugfix/order-calculation`）
- **紧急修复**：`hotfix/问题描述`（如：`hotfix/payment-error`）
- **发布分支**：`release/版本号`（如：`release/v1.0.0`）
### 2.3 提交信息规范
```bash
# 格式：<type>(<scope>): <subject>
# type类型：
# feat: 新功能
# fix: 修复bug
# docs: 文档更新
# style: 代码格式调整
# refactor: 重构
# perf: 性能优化
# test: 测试相关
# chore: 构建/工具相关
# 示例
git commit -m "feat(order): 添加订单创建功能"
git commit -m "fix(payment): 修复支付回调处理错误"
git commit -m "docs(api): 更新API文档"
git commit -m "refactor(service): 重构订单服务"
```
### 2.4 工作流程
```bash
# 1. 从develop创建功能分支
git checkout develop
git pull origin develop
git checkout -b feature/order-management
# 2. 开发并提交
git add .
git commit -m "feat(order): 添加订单创建功能"
# 3. 推送到远程
git push origin feature/order-management
# 4. 创建Pull Request到develop分支
# 5. 代码审查通过后合并
# 6. 删除功能分支
git branch -d feature/order-management
git push origin --delete feature/order-management
```
## 3. 代码审查
### 3.1 审查清单
- [ ] 代码符合命名规范
- [ ] 代码逻辑清晰，易于理解
- [ ] 适当的注释和文档
- [ ] 异常处理完善
- [ ] 单元测试覆盖
- [ ] 性能考虑（N+1查询、大数据量处理）
- [ ] 安全性考虑（SQL注入、XSS、权限校验）
- [ ] 日志记录完善
- [ ] 无硬编码配置
- [ ] 符合SOLID原则
### 3.2 审查重点
```csharp
// ❌ 不好的实践
public class OrderService
{
public Order CreateOrder(CreateOrderRequest request)
{
// 直接在服务层操作DbContext
var order = new Order();
_dbContext.Orders.Add(order);
_dbContext.SaveChanges();
// 硬编码配置
var deliveryFee = 5.0m;
// 没有异常处理
// 没有日志记录
return order;
}
}
// ✅ 好的实践
public class OrderService : IOrderService
{
private readonly IOrderRepository _orderRepository;
private readonly IUnitOfWork _unitOfWork;
private readonly ILogger<OrderService> _logger;
private readonly IOptions<OrderSettings> _settings;
public async Task<OrderDto> CreateOrderAsync(CreateOrderRequest request)
{
try
{
// 参数验证
if (request == null)
throw new ArgumentNullException(nameof(request));
_logger.LogInformation("创建订单：{@Request}", request);
// 业务逻辑
var order = new Order
{
// ... 初始化订单
DeliveryFee = _settings.Value.DefaultDeliveryFee
};
// 使用仓储
await _orderRepository.AddAsync(order);
await _unitOfWork.SaveChangesAsync();
_logger.LogInformation("订单创建成功：{OrderId}", order.Id);
return _mapper.Map<OrderDto>(order);
}
catch (Exception ex)
{
_logger.LogError(ex, "创建订单失败：{@Request}", request);
throw;
}
}
}
```
## 4. 单元测试规范
### 4.1 测试命名
- 命名格式：`MethodName_Scenario_ExpectedResult`
- 测试覆盖率要求：核心业务逻辑 >= 80%
### 4.2 测试示例
```csharp
[Fact]
public async Task CreateOrder_ValidRequest_ReturnsOrderDto()
{
// Arrange
var request = new CreateOrderRequest { /* ... */ };
// Act
var result = await _orderService.CreateOrderAsync(request);
// Assert
result.Should().NotBeNull();
result.OrderNo.Should().NotBeNullOrEmpty();
}
```
## 5. 性能优化规范
### 5.1 数据库查询优化
- 避免N+1查询，使用Include预加载
- 大数据量查询使用Dapper
- 合理使用索引
### 5.2 缓存策略
- 商家信息：30分钟
- 菜品信息：15分钟
- 配置信息：1小时
- 用户会话：2小时
## 6. 文档要求
### 6.1 代码文档
- 所有公共API必须有XML文档注释
- 复杂业务逻辑添加详细注释
- README.md说明项目结构和运行方式
### 6.2 变更日志
维护CHANGELOG.md记录版本变更

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# 外卖SaaS系统 - 系统架构图
## 1. 整体架构图
```
┌─────────────────────────────────────────────────────────────────────┐
│ 客户端层 │
│ ┌──────────────┐ ┌──────────────┐ ┌─────────────────┐ │
│ │ Web管理端 │ │ Web用户端 │ │ 小程序端（用户） │ │
│ │ (React/Vue) │ │ (React/Vue) │ │ (微信/支付宝) │ │
│ └──────────────┘ └──────────────┘ └─────────────────┘ │
└─────────────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────────┐
│ API网关层 │
│ ┌───────────────────────────────────────────────────────────────┐ │
│ │ Nginx / API Gateway │ │
│ │ - 路由转发 │ │
│ │ - 负载均衡 │ │
│ │ - 限流熔断 │ │
│ │ - SSL终止 │ │
│ └───────────────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────────┐
│ 应用服务层 │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ 租户服务 │ │ 商家服务 │ │ 菜品服务 │ │
│ │ - 租户管理 │ │ - 商家管理 │ │ - 菜品管理 │ │
│ │ - 权限管理 │ │ - 门店管理 │ │ - 分类管理 │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ 订单服务 │ │ 配送服务 │ │ 用户服务 │ │
│ │ - 订单管理 │ │ - 配送员管理 │ │ - 用户管理 │ │
│ │ - 订单流转 │ │ - 任务分配 │ │ - 地址管理 │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ 支付服务 │ │ 营销服务 │ │ 通知服务 │ │
│ │ - 支付处理 │ │ - 优惠券 │ │ - 短信通知 │ │
│ │ - 退款处理 │ │ - 活动管理 │ │ - 推送通知 │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
└─────────────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────────┐
│ 基础设施层 │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ PostgreSQL │ │ Redis │ │ RabbitMQ │ │
│ │ - 主数据库 │ │ - 缓存 │ │ - 消息队列 │ │
│ │ - 主从复制 │ │ - 会话存储 │ │ - 异步任务 │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ MinIO/OSS │ │ Elasticsearch│ │ Prometheus │ │
│ │ - 对象存储 │ │ - 日志存储 │ │ - 监控告警 │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
└─────────────────────────────────────────────────────────────────────┘
```
## 2. 应用分层架构
```
┌─────────────────────────────────────────────────────────────┐
│ Presentation Layer │
│ (表现层) │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ TakeoutSaaS.Api │ │
│ │ - Controllers (控制器) │ │
│ │ - Filters (过滤器) │ │
│ │ - Middleware (中间件) │ │
│ │ - Models (DTO模型) │ │
│ └──────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ Application Layer │
│ (应用层) │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ TakeoutSaaS.Application │ │
│ │ - Services (应用服务) │ │
│ │ - DTOs (数据传输对象) │ │
│ │ - Interfaces (服务接口) │ │
│ │ - Validators (验证器) │ │
│ │ - Mappings (对象映射) │ │
│ │ - Commands/Queries (CQRS) │ │
│ └──────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ Domain Layer │
│ (领域层) │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ TakeoutSaaS.Domain │ │
│ │ - Entities (实体) │ │
│ │ - ValueObjects (值对象) │ │
│ │ - Enums (枚举) │ │
│ │ - Events (领域事件) │ │
│ │ - Interfaces (仓储接口) │ │
│ │ - Specifications (规约) │ │
│ └──────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────┐
│ Infrastructure Layer │
│ (基础设施层) │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ TakeoutSaaS.Infrastructure │ │
│ │ - Data (数据访问) │ │
│ │ - EFCore (EF Core实现) │ │
│ │ - Dapper (Dapper实现) │ │
│ │ - Repositories (仓储实现) │ │
│ │ - Cache (缓存实现) │ │
│ │ - MessageQueue (消息队列) │ │
│ │ - ExternalServices (外部服务) │ │
│ └──────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────┘
```
## 3. 订单处理流程图
```
用户下单 → 创建订单 → 支付 → 商家接单 → 制作 → 配送 → 完成
│ │ │ │ │ │ │
│ │ │ │ │ │ └─→ 订单完成
│ │ │ │ │ └─→ 配送中
│ │ │ │ └─→ 制作中
│ │ │ └─→ 待制作
│ │ └─→ 待接单
│ └─→ 待支付
└─→ 订单创建
取消流程：
用户取消 ──→ 退款处理 ──→ 订单取消
商家拒单 ──→ 退款处理 ──→ 订单取消
超时未支付 ──→ 自动取消
```
## 4. 数据流转图
```
┌──────────┐
│ 客户端 │
└────┬─────┘
│ HTTP Request
▼
┌──────────────────┐
│ API Gateway │
│ (Nginx) │
└────┬─────────────┘
│ 路由转发
▼
┌──────────────────┐
│ Web API │
│ - 认证授权 │
│ - 参数验证 │
└────┬─────────────┘
│ 调用服务
▼
┌──────────────────┐
│ Application │
│ Service │
│ - 业务逻辑 │
└────┬─────────────┘
│ 数据访问
▼
┌──────────────────┐ ┌──────────┐
│ Repository │────→│ Cache │
│ - EF Core │ │ (Redis) │
│ - Dapper │ └──────────┘
└────┬─────────────┘
│ SQL查询
▼
┌──────────────────┐
│ PostgreSQL │
│ Database │
└──────────────────┘
```
## 5. 多租户数据隔离架构
```
┌─────────────────────────────────────────────────┐
│ 租户识别中间件 │
│ - 从JWT Token解析租户ID │
│ - 从HTTP Header获取租户ID │
└─────────────────────┬───────────────────────────┘
│
▼
┌─────────────────────────────────────────────────┐
│ 租户上下文 │
│ - 当前租户ID │
│ - 租户配置信息 │
└─────────────────────┬───────────────────────────┘
│
▼
┌─────────────────────────────────────────────────┐
│ 数据访问层 │
│ - 自动添加租户ID过滤 │
│ - 全局查询过滤器 │
└─────────────────────┬───────────────────────────┘
│
▼
┌─────────────────────────────────────────────────┐
│ 数据库 │
│ 租户A数据 │ 租户B数据 │ 租户C数据 │
│ (tenant_id = A) (tenant_id = B) (tenant_id = C)│
└─────────────────────────────────────────────────┘
```
## 6. 缓存架构
```
┌──────────────┐
│ Application │
└──────┬───────┘
│
▼
┌──────────────────────────────────┐
│ Cache Aside Pattern │
│ 1. 查询缓存 │
│ 2. 缓存未命中，查询数据库 │
│ 3. 写入缓存 │
└──────┬───────────────────────────┘
│
├─→ L1 Cache (Memory Cache)
│ - 进程内缓存
│ - 热点数据
│
└─→ L2 Cache (Redis)
- 分布式缓存
- 会话数据
- 共享数据
```
## 7. 消息队列架构
```
┌──────────────┐
│ Producer │
│ (订单服务) │
└──────┬───────┘
│ 发布事件
▼
┌──────────────────┐
│ RabbitMQ │
│ Exchange │
└──────┬───────────┘
│
├─→ Queue: order.created
│ └─→ Consumer: 通知服务
│
├─→ Queue: order.paid
│ └─→ Consumer: 库存服务
│
└─→ Queue: order.completed
└─→ Consumer: 统计服务
```
## 8. 部署架构
```
┌─────────────────────────────────────────────────┐
│ 负载均衡器 (Nginx) │
└─────────────┬───────────────────────────────────┘
│
┌───────┴───────┐
│ │
▼ ▼
┌──────────┐ ┌──────────┐
│ API 1 │ │ API 2 │
│ (容器) │ │ (容器) │
└────┬─────┘ └────┬─────┘
│ │
└───────┬───────┘
│
┌───────┴────────┬──────────────┐
│ │ │
▼ ▼ ▼
┌──────────┐ ┌──────────┐ ┌──────────┐
│PostgreSQL│ │ Redis │ │ RabbitMQ │
│ 主从 │ │ 哨兵 │ │ 集群 │
└──────────┘ └──────────┘ └──────────┘
```
## 9. 监控架构
```
┌──────────────────────────────────────────┐
│ 应用程序 │
│ - 业务指标 │
│ - 性能指标 │
│ - 日志输出 │
└─────────┬────────────────────────────────┘
│
┌─────┴─────┬──────────┐
│ │ │
▼ ▼ ▼
┌────────┐ ┌────────┐ ┌────────┐
│Metrics │ │ Logs │ │Traces │
│ │ │ │ │ │
└───┬────┘ └───┬────┘ └───┬────┘
│ │ │
▼ ▼ ▼
┌──────────────────────────────┐
│ Prometheus │
│ Elasticsearch │
│ Jaeger │
└─────────┬────────────────────┘
│
▼
┌──────────────────────────────┐
│ Grafana │
│ Kibana │
│ - 可视化仪表板 │
│ - 告警配置 │
└──────────────────────────────┘
```

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# 编程规范_FOR_AI（TakeoutSaaS）
说明：本规范为AI编程助手与开发者共同遵循的统一编码规范，结合 0_Document 下文档约定（特别是 06_开发规范.md、02_技术架构.md、12.* 规范）执行。超出本文件内容的详细条目请以文档中心为准。
## 1. 技术栈
- .NET 10 + ASP.NET Core Web API
- EF Core 10（复杂关系/事务）+ Dapper（统计/批量）+ PostgreSQL 16+
- Redis、RabbitMQ、Swagger、MediatR、Serilog、FluentValidation、AutoMapper、Hangfire、Polly
## 2. 命名与风格
- 类/方法/属性：PascalCase；接口：I前缀；私有字段：_camelCase；变量：camelCase；常量：PascalCase
- 每文件仅1个公共类型，文件名与类型名一致
- 命名空间与目录结构一致
## 3. 分层与结构
- 物理结构：Api（AdminApi/MiniApi/UserApi）+ Application + Domain + Infrastructure + Core(Shared.*) + Modules + Gateway
- 不允许在Controller/Service中直接操作DbContext，必须通过仓储/应用服务
- 返回DTO，禁止直接返回实体
## 4. 注释与文档
- 所有公共API、接口、复杂逻辑必须有XML注释
- 控制器、服务方法提供简要说明与异常声明
## 5. 异常与错误码
- 使用 BusinessException（含ErrorCode）/ ValidationException；禁止吞异常
- 全局异常中间件输出 ProblemDetails（扩展code与errors）
- 错误码：400/401/403/404/409/422/500 + 业务10001+
## 6. 异步与日志
- 全面使用 async/await，禁止 .Result/.Wait()
- 使用 Serilog 记录结构化日志，避免记录敏感数据
## 7. 依赖注入
- 统一使用构造函数注入，禁止服务定位器
- 业务逻辑在应用层，仓储在基础设施层
## 8. 数据访问
- EF Core 10 负责关系/事务/迁移；Dapper 负责统计和大批量
- 使用工作单元与仓储模式；避免N+1；只读查询使用AsNoTracking
- 参数化查询，禁止字符串拼接SQL
## 9. 多租户
- 通过 Header:X-Tenant-Id 或 Token Claim: tenant_id 解析租户
- EF Core 全局过滤（tenant_id）；写入数据时自动填充租户
## 10. 安全
- HTTPS、Security Headers、CORS按端配置
- 授权：AdminApi 使用JWT+RBAC；MiniApi 小程序登录态+JWT
- 严禁日志打印密码/支付信息等敏感数据
## 11. API 设计
- RESTful，统一 /api/{area}/v{version}
- 统一返回：ApiResponse<T>；分页返回使用 PagedResult<T>
- Swagger 按版本与端分组，开启鉴权按钮
## 12. 模块化
- 独立模块抽象：Identity、Authorization、Tenancy、Dictionary、Storage、Sms、Messaging、Scheduler、Delivery
- 公共横切能力抽到 Shared.* 复用
## 13. 测试
- xUnit + Moq + FluentAssertions；命名：Method_Scenario_Expected
- 核心业务覆盖率≥80%
## 14. Git 提交
- 使用 Conventional Commits：feat/fix/docs/style/refactor/perf/test/chore
## 15. 性能
- 投影查询、编译查询、批量操作（ExecuteUpdate/ExecuteDelete）
- 缓存优先：Cache-Aside；更新后清缓存
## 16. 禁止事项
- 直接使用DbContext（绕过仓储/工作单元）
- 硬编码配置（使用IOptions）
- 返回实体类
- SQL拼接注入风险
- 吞异常或静默失败
- 同步阻塞异步
以上规范将随着文档中心的演进不断完善；AI编程助手生成的代码必须符合本规范，并默认使用这些约束。

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# 外卖SaaS系统 - 文档中心
欢迎查阅外卖SaaS系统的完整文档。本文档中心包含了项目的所有技术文档和开发指南。
## 📚 文档目录
### 1. [项目概述](01_项目概述.md)
- 项目简介与背景
- 核心业务模块介绍
- 用户角色说明
- 系统特性
- 技术选型
- 项目里程碑
**适合人群**：项目经理、产品经理、新加入的开发人员
---
### 2. [技术架构](02_技术架构.md)
- 技术栈详解
- 系统架构设计
- 分层架构说明
- 核心设计模式
- 数据访问策略（EF Core + Dapper）
- 缓存策略
- 消息队列应用
- 安全设计
**适合人群**：架构师、技术负责人、高级开发人员
---
### 3. [数据库设计](03_数据库设计.md)
- 数据库设计原则
- 命名规范
- 核心表结构
- 租户管理
- 商家管理
- 菜品管理
- 订单管理
- 配送管理
- 支付管理
- 营销管理
- 系统管理
- 索引策略
- 数据库优化
- 备份策略
**适合人群**：数据库管理员、后端开发人员
---
### 4A. [管理后台 API 设计](04A_管理后台API.md)
- 角色与权限（平台/租户/商家）
- 租户与商家管理
- 菜品与分类管理
- 订单流转与售后
- 优惠券与评价管理
- 统计报表与文件上传
### 4B. [小程序/用户端 API 设计](04B_小程序API.md)
- 小程序登录与用户信息
- 商家与门店浏览
- 菜品与分类列表
- 购物车同步
- 订单创建/查询/取消
- 支付对接（微信/支付宝）
- 优惠券领取与使用、评价发布
**适合人群**：前端开发人员（小程序/Web用户端）、后端开发人员、接口对接人员
---
### 5. [部署运维](05_部署运维.md)
- 环境要求
- 本地开发环境搭建
- Docker部署
- Nginx配置
- 数据库部署（主从复制）
- Redis部署（哨兵模式）
- CI/CD配置
- 监控告警（Prometheus + Grafana）
- 日志管理（ELK Stack）
- 安全加固
- 性能优化
- 故障恢复
**适合人群**：运维工程师、DevOps工程师、系统管理员
---
### 6. [开发规范](06_开发规范.md)
- 代码规范
- 命名规范
- 代码组织
- 代码注释
- 异常处理
- Git工作流
- 分支管理
- 提交信息规范
- 代码审查标准
- 单元测试规范
- 性能优化规范
- 安全规范
- 日志规范
- 配置管理
- API设计规范
**适合人群**：所有开发人员
---
### 7. [系统架构图](07_系统架构图.md)
- 整体架构图
- 应用分层架构
- 订单处理流程图
- 数据流转图
- 多租户数据隔离架构
- 缓存架构
- 消息队列架构
- 部署架构
- 监控架构
**适合人群**：架构师、技术负责人、所有开发人员
---
## 🚀 快速导航
### 我是新人，从哪里开始？
1. 先阅读 [项目概述](01_项目概述.md) 了解项目背景和业务
2. 查看 [系统架构图](07_系统架构图.md) 理解系统整体架构
3. 阅读 [开发规范](06_开发规范.md) 了解开发要求
4. 参考 [部署运维](05_部署运维.md) 搭建本地开发环境
### 我要开发新功能
1. 查看 [数据库设计](03_数据库设计.md) 了解数据模型
2. 参考 [API接口设计](04_API接口设计.md) 设计接口
3. 遵循 [开发规范](06_开发规范.md) 编写代码
4. 参考 [技术架构](02_技术架构.md) 选择合适的技术方案
### 我要部署系统
1. 阅读 [部署运维](05_部署运维.md) 了解部署流程
2. 参考 [系统架构图](07_系统架构图.md) 理解部署架构
3. 按照文档配置监控和日志系统
### 我要对接API
1. 查看 [API接口设计](04_API接口设计.md) 了解接口规范
2. 参考接口文档进行开发和测试
---
## 📖 文档更新记录
### v1.0.0 (2024-01-01)
- ✅ 完成项目概述文档
- ✅ 完成技术架构文档
- ✅ 完成数据库设计文档
- ✅ 完成API接口设计文档
- ✅ 完成部署运维文档
- ✅ 完成开发规范文档
- ✅ 完成系统架构图文档
---
## 💡 文档贡献
如果您发现文档有任何问题或需要改进的地方，欢迎：
1. 提交 Issue 反馈问题
2. 提交 Pull Request 改进文档
3. 联系项目负责人
---
## 📞 联系方式
- 项目地址：https://github.com/your-org/takeout-saas
- 问题反馈：https://github.com/your-org/takeout-saas/issues
- 邮箱：dev@example.com
---
## 📝 文档规范
本文档使用 Markdown 格式编写，遵循以下规范：
- 使用清晰的标题层级
- 代码示例使用语法高亮
- 重要内容使用加粗或引用
- 保持文档简洁易读
- 及时更新文档内容
---
**最后更新时间**：2024-01-01
**文档版本**：v1.0.0

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<Project>
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>false</TreatWarningsAsErrors>
</PropertyGroup>
</Project>

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## 项目名称
> 请介绍一下你的项目吧
# 外卖SaaS系统 (TakeoutSaaS)
## 项目简介
外卖SaaS系统是一个基于.NET 10的多租户外卖管理平台，为中小型餐饮企业提供完整的外卖业务解决方案。系统采用现代化的技术栈，支持商家管理、菜品管理、订单处理、配送管理、支付集成等核心功能。
### 核心特性
- 🏢 **多租户架构**：支持多租户数据隔离，SaaS模式运营
- 🍔 **商家管理**：完善的商家入驻、门店管理、菜品管理功能
- 📦 **订单管理**：订单全生命周期管理，实时状态跟踪
🚚 配送管理：配送任务、路线规划、第三方配送对接
- 💰 **支付集成**：支持微信、支付宝等多种支付方式
- 🎁 **营销功能**：优惠券、满减活动、会员积分
- 📊 **数据分析**：实时数据统计、经营报表、趋势分析
- 🔒 **安全可靠**：JWT认证、权限控制、数据加密
## 技术栈
### 后端技术
- **.NET 10**：最新的.NET平台
- **ASP.NET Core Web API**：RESTful API服务
- **Entity Framework Core 10**：最新ORM框架
- **Dapper 2.1+**：高性能数据访问
- **PostgreSQL 16+**：主数据库
- **Redis 7.0+**：分布式缓存
- **RabbitMQ 3.12+**：消息队列
### 开发框架
- **AutoMapper**：对象映射
- **FluentValidation**：数据验证
- **Serilog**：结构化日志
- **MediatR**：CQRS模式
- **Hangfire**：后台任务
- **Swagger**：API文档
## 运行条件
> 列出运行该项目所必须的条件和相关依赖
* 条件一
* 条件二
* 条件三
### 开发环境要求
* .NET SDK 10.0 或更高版本
* PostgreSQL 16+
* Redis 7.0+
* RabbitMQ 3.12+（可选）
* Docker Desktop（推荐，用于容器化开发）
### 推荐IDE
* Visual Studio 2022
* JetBrains Rider
* Visual Studio Code
## 运行说明
> 说明如何运行和使用你的项目，建议给出具体的步骤说明
* 操作一
* 操作二
* 操作三
## 快速开始
### 1. 克隆项目
```bash
git clone https://github.com/your-org/takeout-saas.git
cd takeout-saas
```
### 2. 使用Docker Compose启动依赖服务（推荐）
```bash
# 启动PostgreSQL、Redis、RabbitMQ等服务
docker-compose up -d
# 查看服务状态
docker-compose ps
```
### 3. 配置数据库连接
编辑 `src/TakeoutSaaS.Api/appsettings.Development.json`
### 4. 执行数据库迁移
```bash
cd src/TakeoutSaaS.Api
dotnet ef database update
```
### 5. 运行项目
```bash
dotnet run
```
访问 API 文档：
- 管理后台 AdminApi Swagger：http://localhost:5001/swagger
- 小程序/用户端 MiniApi Swagger：http://localhost:5002/swagger
## 项目结构
```
TakeoutSaaS/
├── 0_Document/ # 项目文档
│ ├── 01_项目概述.md
│ ├── 02_技术架构.md
│ ├── 03_数据库设计.md
│ ├── 04A_管理后台API.md
│ ├── 04B_小程序API.md
│ ├── 05_部署运维.md
│ └── 06_开发规范.md
├── src/
│ ├── TakeoutSaaS.AdminApi/ # 管理后台 Web API
│ ├── TakeoutSaaS.MiniApi/ # 小程序/用户端 Web API
│ ├── TakeoutSaaS.Application/ # 应用层
│ ├── TakeoutSaaS.Domain/ # 领域层
│ ├── TakeoutSaaS.Infrastructure/ # 基础设施层
│ └── TakeoutSaaS.Shared/ # 共享层
├── tests/
│ ├── TakeoutSaaS.UnitTests/ # 单元测试
│ └── TakeoutSaaS.IntegrationTests/ # 集成测试
├── docker-compose.yml # Docker编排文件
└── README.md
```
## 测试说明
> 如果有测试相关内容需要说明，请填写在这里
### 运行单元测试
```bash
dotnet test tests/TakeoutSaaS.UnitTests
```
### 运行集成测试
```bash
dotnet test tests/TakeoutSaaS.IntegrationTests
```
## 技术架构
> 使用的技术框架或系统架构图等相关说明，请填写在这里
## 部署说明
### Docker部署
```bash
# 构建镜像
docker build -t takeout-saas-api:latest .
# 运行容器
docker run -d -p 8080:80 --name takeout-api takeout-saas-api:latest
```
详细部署文档请参考：[部署运维文档](0_Document/05_部署运维.md)
## 文档
- [项目概述](0_Document/01_项目概述.md) - 系统介绍和业务说明
- [技术架构](0_Document/02_技术架构.md) - 技术栈和架构设计
- [数据库设计](0_Document/03_数据库设计.md) - 数据模型和表结构
- [API接口设计](0_Document/04_API接口设计.md) - RESTful API规范
- [部署运维](0_Document/05_部署运维.md) - 部署和运维指南
- [开发规范](0_Document/06_开发规范.md) - 代码规范和最佳实践
## 开发规范
请遵循项目的[开发规范](0_Document/06_开发规范.md)
## 贡献指南
1. Fork 本仓库
2. 创建特性分支 (`git checkout -b feature/AmazingFeature`)
3. 提交更改 (`git commit -m 'feat: Add some AmazingFeature'`)
4. 推送到分支 (`git push origin feature/AmazingFeature`)
5. 创建 Pull Request
## 许可证
本项目采用 MIT 许可证
## 联系方式
- 项目地址：https://github.com/your-org/takeout-saas
- 问题反馈：https://github.com/your-org/takeout-saas/issues
## 协作者
> 高效的协作会激发无尽的创造力，将他们的名字记录在这里吧
感谢所有为本项目做出贡献的开发者！
---
⭐ 如果这个项目对你有帮助，请给我们一个星标！

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.0.31903.59
MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Api", "Api", "{81034408-37C8-1011-444E-4C15C2FADA8E}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TakeoutSaaS.AdminApi", "src\Api\TakeoutSaaS.AdminApi\TakeoutSaaS.AdminApi.csproj", "{0F32CC9C-E8B2-4854-BBF0-D8D2DDFFA954}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Core", "Core", "{8D626EA8-CB54-BC41-363A-217881BEBA6E}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TakeoutSaaS.Shared.Web", "src\Core\TakeoutSaaS.Shared.Web\TakeoutSaaS.Shared.Web.csproj", "{022FCF39-EC48-46EA-AC08-FA2EAD1548B7}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TakeoutSaaS.Shared.Abstractions", "src\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj", "{0DA03B31-E718-4424-A1F0-9989E79FFE81}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Application", "Application", "{22BAF98C-8415-17C4-B26A-D537657BC863}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TakeoutSaaS.Application", "src\Application\TakeoutSaaS.Application\TakeoutSaaS.Application.csproj", "{27FA49F3-FC1A-44F7-B2A9-3833AC3A2E00}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Domain", "Domain", "{8B290487-4C16-E85E-E807-F579CBE9FC4D}"
EndProject
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HideSolutionNode = FALSE
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1
src/Api/TakeoutSaaS.AdminApi/Controllers/.gitkeep Normal file
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12
src/Api/TakeoutSaaS.AdminApi/Properties/launchSettings.json Normal file
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{
"profiles": {
"TakeoutSaaS.AdminApi": {
"commandName": "Project",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"applicationUrl": "https://localhost:2676;http://localhost:2680"
}
}
}

21
src/Api/TakeoutSaaS.AdminApi/TakeoutSaaS.AdminApi.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
<PackageReference Include="Serilog.AspNetCore" Version="8.0.1" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Web\TakeoutSaaS.Shared.Web.csproj" />
<ProjectReference Include="..\..\Application\TakeoutSaaS.Application\TakeoutSaaS.Application.csproj" />
<ProjectReference Include="..\..\Infrastructure\TakeoutSaaS.Infrastructure\TakeoutSaaS.Infrastructure.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Identity\TakeoutSaaS.Module.Identity.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Authorization\TakeoutSaaS.Module.Authorization.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Tenancy\TakeoutSaaS.Module.Tenancy.csproj" />
</ItemGroup>
</Project>

1
src/Api/TakeoutSaaS.MiniApi/Controllers/.gitkeep Normal file
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12
src/Api/TakeoutSaaS.MiniApi/Properties/launchSettings.json Normal file
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{
"profiles": {
"TakeoutSaaS.MiniApi": {
"commandName": "Project",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"applicationUrl": "https://localhost:2678;http://localhost:2681"
}
}
}

21
src/Api/TakeoutSaaS.MiniApi/TakeoutSaaS.MiniApi.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
<PackageReference Include="Serilog.AspNetCore" Version="8.0.1" />
<PackageReference Include="FluentValidation.AspNetCore" Version="11.3.1" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Web\TakeoutSaaS.Shared.Web.csproj" />
<ProjectReference Include="..\..\Application\TakeoutSaaS.Application\TakeoutSaaS.Application.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Identity\TakeoutSaaS.Module.Identity.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Tenancy\TakeoutSaaS.Module.Tenancy.csproj" />
<ProjectReference Include="..\..\Infrastructure\TakeoutSaaS.Infrastructure\TakeoutSaaS.Infrastructure.csproj" />
</ItemGroup>
</Project>

12
src/Api/TakeoutSaaS.UserApi/Properties/launchSettings.json Normal file
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{
"profiles": {
"TakeoutSaaS.UserApi": {
"commandName": "Project",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"applicationUrl": "https://localhost:2679;http://localhost:2682"
}
}
}

17
src/Api/TakeoutSaaS.UserApi/TakeoutSaaS.UserApi.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
<PackageReference Include="Serilog.AspNetCore" Version="8.0.1" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Web\TakeoutSaaS.Shared.Web.csproj" />
<ProjectReference Include="..\..\Application\TakeoutSaaS.Application\TakeoutSaaS.Application.csproj" />
<ProjectReference Include="..\..\Modules\TakeoutSaaS.Module.Tenancy\TakeoutSaaS.Module.Tenancy.csproj" />
</ItemGroup>
</Project>

1
src/Application/TakeoutSaaS.Application/Services/.gitkeep Normal file
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12
src/Application/TakeoutSaaS.Application/TakeoutSaaS.Application.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
<ProjectReference Include="..\..\Domain\TakeoutSaaS.Domain\TakeoutSaaS.Domain.csproj" />
</ItemGroup>
</Project>

19
src/Core/TakeoutSaaS.Shared.Abstractions/Constants/ErrorCodes.cs Normal file
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namespace TakeoutSaaS.Shared.Abstractions.Constants;
/// <summary>
/// 统一错误码常量。
/// </summary>
public static class ErrorCodes
{
public const int BadRequest = 400;
public const int Unauthorized = 401;
public const int Forbidden = 403;
public const int NotFound = 404;
public const int Conflict = 409;
public const int ValidationFailed = 422;
public const int InternalServerError = 500;
// 业务自定义区间（10000+）
public const int BusinessError = 10001;
}

11
src/Core/TakeoutSaaS.Shared.Abstractions/Entities/IAuditableEntity.cs Normal file
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namespace TakeoutSaaS.Shared.Abstractions.Entities;
/// <summary>
/// 审计字段接口
/// </summary>
public interface IAuditableEntity
{
DateTime CreatedAt { get; set; }
DateTime? UpdatedAt { get; set; }
}

20
src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/BusinessException.cs Normal file
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using System;
namespace TakeoutSaaS.Shared.Abstractions.Exceptions;
/// <summary>
/// 业务异常（用于可预期的业务校验错误）。
/// </summary>
public class BusinessException : Exception
{
/// <summary>
/// 业务错误码。
/// </summary>
public int ErrorCode { get; }
public BusinessException(int errorCode, string message) : base(message)
{
ErrorCode = errorCode;
}
}

22
src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs Normal file
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using System;
using System.Collections.Generic;
namespace TakeoutSaaS.Shared.Abstractions.Exceptions;
/// <summary>
/// 验证异常（用于聚合验证错误信息）。
/// </summary>
public class ValidationException : Exception
{
/// <summary>
/// 字段/属性的错误集合。
/// </summary>
public IDictionary<string, string[]> Errors { get; }
public ValidationException(IDictionary<string, string[]> errors)
: base("一个或多个验证错误")
{
Errors = errors;
}
}

8
src/Core/TakeoutSaaS.Shared.Abstractions/TakeoutSaaS.Shared.Abstractions.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
</Project>

7
src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/ITenantProvider.cs Normal file
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namespace TakeoutSaaS.Shared.Abstractions.Tenancy;
public interface ITenantProvider
{
Guid GetCurrentTenantId();
}

11
src/Core/TakeoutSaaS.Shared.Kernel/TakeoutSaaS.Shared.Kernel.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

15
src/Core/TakeoutSaaS.Shared.Web/Api/BaseApiController.cs Normal file
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using Microsoft.AspNetCore.Mvc;
namespace TakeoutSaaS.Shared.Web.Api;
/// <summary>
/// API 基类控制器：
/// - 统一应用 [ApiController] 和默认响应类型
/// - 作为所有 API 控制器的基类，便于复用过滤器/中间件特性
/// </summary>
[ApiController]
[Produces("application/json")]
public abstract class BaseApiController : ControllerBase
{
}

11
src/Domain/TakeoutSaaS.Domain/TakeoutSaaS.Domain.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

53
src/Gateway/TakeoutSaaS.ApiGateway/Program.cs Normal file
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using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddReverseProxy()
.LoadFromMemory(new()
{
Clusters =
{
["admin"] = new()
{
Destinations = { ["d1"] = new() { Address = "http://localhost:5001/" } }
},
["mini"] = new()
{
Destinations = { ["d1"] = new() { Address = "http://localhost:5002/" } }
},
["user"] = new()
{
Destinations = { ["d1"] = new() { Address = "http://localhost:5003/" } }
}
},
Routes =
{
new()
{
RouteId = "admin-route",
ClusterId = "admin",
Match = new() { Path = "/api/admin/{**catch-all}" }
},
new()
{
RouteId = "mini-route",
ClusterId = "mini",
Match = new() { Path = "/api/mini/{**catch-all}" }
},
new()
{
RouteId = "user-route",
ClusterId = "user",
Match = new() { Path = "/api/user/{**catch-all}" }
}
}
});
var app = builder.Build();
app.MapReverseProxy();
app.Run();

12
src/Gateway/TakeoutSaaS.ApiGateway/Properties/launchSettings.json Normal file
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{
"profiles": {
"TakeoutSaaS.ApiGateway": {
"commandName": "Project",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"applicationUrl": "https://localhost:2677;http://localhost:2683"
}
}
}

11
src/Gateway/TakeoutSaaS.ApiGateway/TakeoutSaaS.ApiGateway.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Yarp.ReverseProxy" Version="2.1.0" />
</ItemGroup>
</Project>

17
src/Infrastructure/TakeoutSaaS.Infrastructure/TakeoutSaaS.Infrastructure.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0-rc.2" />
<PackageReference Include="Dapper" Version="2.1.66" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\Domain\TakeoutSaaS.Domain\TakeoutSaaS.Domain.csproj" />
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Authorization/TakeoutSaaS.Module.Authorization.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Delivery/TakeoutSaaS.Module.Delivery.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Dictionary/TakeoutSaaS.Module.Dictionary.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

23
src/Modules/TakeoutSaaS.Module.Identity/Abstractions/IWeChatAuthService.cs Normal file
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namespace TakeoutSaaS.Module.Identity.Abstractions;
/// <summary>
/// 微信登录服务抽象（code2Session）
/// </summary>
public interface IWeChatAuthService
{
/// <summary>
/// 使用小程序登录 code 换取 openid/unionid/session_key
/// </summary>
Task<WeChatSessionInfo> Code2SessionAsync(string code, CancellationToken cancellationToken = default);
}
/// <summary>
/// 微信会话信息
/// </summary>
public sealed class WeChatSessionInfo
{
public string OpenId { get; init; } = string.Empty;
public string? UnionId { get; init; }
public string SessionKey { get; init; } = string.Empty;
}

11
src/Modules/TakeoutSaaS.Module.Identity/TakeoutSaaS.Module.Identity.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

14
src/Modules/TakeoutSaaS.Module.Messaging/TakeoutSaaS.Module.Messaging.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.6.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Scheduler/TakeoutSaaS.Module.Scheduler.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Sms/TakeoutSaaS.Module.Sms.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

11
src/Modules/TakeoutSaaS.Module.Storage/TakeoutSaaS.Module.Storage.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
</ItemGroup>
</Project>

39
src/Modules/TakeoutSaaS.Module.Tenancy/TenantProvider.cs Normal file
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using System.Security.Claims;
using Microsoft.AspNetCore.Http;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Module.Tenancy;
/// <summary>
/// 默认租户提供者：优先从Header: X-Tenant-Id，其次从Token Claim: tenant_id
/// </summary>
public sealed class TenantProvider : ITenantProvider
{
private readonly IHttpContextAccessor _httpContextAccessor;
public TenantProvider(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor;
}
public Guid GetCurrentTenantId()
{
var httpContext = _httpContextAccessor.HttpContext;
if (httpContext == null) return Guid.Empty;
// 1. Header 优先
if (httpContext.Request.Headers.TryGetValue("X-Tenant-Id", out var values))
{
if (Guid.TryParse(values.FirstOrDefault(), out var headerTenant))
return headerTenant;
}
// 2. Token Claim
var claim = httpContext.User?.FindFirst("tenant_id");
if (claim != null && Guid.TryParse(claim.Value, out var claimTenant))
return claimTenant;
return Guid.Empty; // 未识别到则返回空（上层可按需处理）
}
}