# 爱鉴花小程序API接口文档

## 概述

本文档详细描述爱鉴花微信小程序后端RESTful API接口规范，基于OpenAPI 3.0标准。

## 基础信息

- **Base URL**: `http://localhost:3200/api/v1`
- **认证方式**: Bearer Token (JWT)
- **响应格式**: JSON
- **字符编码**: UTF-8

## 通用响应格式

### 成功响应
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {}
}
```

### 错误响应
```json
{
  "code": 400,
  "message": "参数错误",
  "error": "详细错误信息"
}
```

## 错误码说明

| 错误码 | 说明 |
|--------|------|
| 200 | 成功 |
| 400 | 参数错误 |
| 401 | 未授权 |
| 403 | 禁止访问 |
| 404 | 资源不存在 |
| 500 | 服务器内部错误 |

## 认证接口

### 1. 用户注册

**POST** `/auth/register`

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| username | string | 是 | 用户名（3-20字符） | "testuser" |
| password | string | 是 | 密码（最少6位） | "123456" |
| phone | string | 是 | 手机号 | "13800138000" |
| email | string | 否 | 邮箱 | "user@example.com" |
| user_type | string | 否 | 用户类型 | "farmer" |

**响应示例**:
```json
{
  "code": 201,
  "message": "注册成功",
  "data": {
    "user_id": 1,
    "username": "testuser",
    "phone": "13800138000",
    "email": "user@example.com",
    "user_type": "farmer",
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
  }
}
```

### 2. 用户登录

**POST** `/auth/login`

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| login | string | 是 | 用户名/手机号/邮箱 | "testuser" |
| password | string | 是 | 密码 | "123456" |

**响应示例**:
```json
{
  "code": 200,
  "message": "登录成功",
  "data": {
    "user_id": 1,
    "username": "testuser",
    "phone": "13800138000",
    "email": "user@example.com",
    "user_type": "farmer",
    "avatar_url": "/uploads/avatars/avatar.jpg",
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
  }
}
```

### 3. 获取当前用户信息

**GET** `/users/me`

**请求头**:
```
Authorization: Bearer <token>
```

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "id": 1,
    "username": "testuser",
    "phone": "13800138000",
    "email": "user@example.com",
    "user_type": "farmer",
    "avatar_url": "/uploads/avatars/avatar.jpg",
    "created_at": "2023-01-01T00:00:00Z",
    "last_login": "2023-01-01T00:00:00Z"
  }
}
```

## 植物识别接口

### 1. 植物识别

**POST** `/identifications/identify`

**请求格式**: `multipart/form-data`

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 |
|--------|------|------|------|
| image | file | 是 | 植物图片文件 |
| user_id | integer | 否 | 用户ID（已登录用户） |

**响应示例**:
```json
{
  "code": 200,
  "message": "识别成功",
  "data": {
    "identification_id": 1,
    "plant_name": "玫瑰花",
    "scientific_name": "Rosa rugosa",
    "family": "蔷薇科",
    "confidence": 0.92,
    "description": "玫瑰花，蔷薇科蔷薇属植物，具有浓郁的香气...",
    "care_tips": "喜阳光，需要充足的水分和肥料...",
    "related_products": [
      {
        "id": 1,
        "name": "玫瑰花束",
        "price": 29.9,
        "image": "/uploads/products/rose_bouquet.jpg"
      }
    ]
  }
}
```

### 2. 获取识别历史

**GET** `/identifications/history`

**请求头**:
```
Authorization: Bearer <token>
```

**查询参数**:

| 参数名 | 类型 | 说明 |
|--------|------|------|
| page | integer | 页码（默认1） |
| limit | integer | 每页数量（默认10） |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "identifications": [
      {
        "id": 1,
        "plant_name": "玫瑰花",
        "image_url": "/uploads/identifications/rose_123.jpg",
        "confidence": 0.92,
        "created_at": "2023-01-01T10:00:00Z"
      }
    ],
    "pagination": {
      "page": 1,
      "limit": 10,
      "total": 15,
      "pages": 2
    }
  }
}
```

## 商品接口

### 1. 获取商品列表

**GET** `/products`

**查询参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| page | integer | 页码（默认1） | 1 |
| limit | integer | 每页数量（默认12） | 12 |
| category_id | integer | 分类ID | 1 |
| keyword | string | 搜索关键词 | "玫瑰" |
| min_price | number | 最低价格 | 10 |
| max_price | number | 最高价格 | 100 |
| sort_by | string | 排序字段 | "price" |
| sort_order | string | 排序方向 | "asc" |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "products": [
      {
        "id": 1,
        "name": "玫瑰花束",
        "category_id": 1,
        "price": 29.9,
        "original_price": 39.9,
        "stock": 100,
        "image": "/uploads/products/rose_bouquet.jpg",
        "description": "新鲜玫瑰花束，香气浓郁，适合送礼",
        "category_name": "鲜花",
        "sales_count": 150,
        "rating": 4.8,
        "review_count": 45
      }
    ],
    "pagination": {
      "page": 1,
      "limit": 12,
      "total": 50,
      "pages": 5
    }
  }
}
```

### 2. 获取商品详情

**GET** `/products/{id}`

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 商品ID | 1 |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "id": 1,
    "name": "玫瑰花束",
    "category_id": 1,
    "price": 29.9,
    "original_price": 39.9,
    "stock": 100,
    "images": [
      "/uploads/products/rose_bouquet_1.jpg",
      "/uploads/products/rose_bouquet_2.jpg"
    ],
    "description": "新鲜玫瑰花束，包含12朵红玫瑰...",
    "details": "花材：红玫瑰12朵\n包装：精美礼盒包装\n配送：同城2小时配送",
    "care_instructions": "放置在阴凉处，定期换水...",
    "category_name": "鲜花",
    "sales_count": 150,
    "rating": 4.8,
    "review_count": 45,
    "reviews": [
      {
        "user_name": "张*",
        "rating": 5,
        "content": "花很新鲜，包装精美",
        "created_at": "2023-01-01T10:00:00Z"
      }
    ]
  }
}
```

### 3. 获取商品分类

**GET** `/categories`

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": [
    {
      "id": 1,
      "name": "鲜花",
      "icon": "/icons/flowers.png",
      "product_count": 25
    },
    {
      "id": 2,
      "name": "盆栽",
      "icon": "/icons/potted_plants.png",
      "product_count": 18
    }
  ]
}
```

## 购物车接口

### 1. 获取购物车

**GET** `/cart`

**请求头**:
```
Authorization: Bearer <token>
```

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "items": [
      {
        "id": 1,
        "product_id": 1,
        "product_name": "玫瑰花束",
        "product_image": "/uploads/products/rose_bouquet.jpg",
        "price": 29.9,
        "quantity": 2,
        "subtotal": 59.8,
        "stock": 100
      }
    ],
    "total_amount": 59.8,
    "total_quantity": 2
  }
}
```

### 2. 添加商品到购物车

**POST** `/cart/items`

**请求头**:
```
Authorization: Bearer <token>
```

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| product_id | integer | 是 | 商品ID | 1 |
| quantity | integer | 是 | 数量 | 2 |

**响应示例**:
```json
{
  "code": 200,
  "message": "添加成功",
  "data": {
    "cart_item_id": 1
  }
}
```

### 3. 更新购物车商品数量

**PUT** `/cart/items/{id}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 购物车项ID | 1 |

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| quantity | integer | 是 | 数量 | 3 |

**响应示例**:
```json
{
  "code": 200,
  "message": "更新成功"
}
```

### 4. 删除购物车商品

**DELETE** `/cart/items/{id}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 购物车项ID | 1 |

**响应示例**:
```json
{
  "code": 200,
  "message": "删除成功"
}
```

## 订单接口

### 1. 创建订单

**POST** `/orders`

**请求头**:
```
Authorization: Bearer <token>
```

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| items | array | 是 | 商品列表 | - |
| address_id | integer | 是 | 收货地址ID | 1 |
| coupon_code | string | 否 | 优惠券代码 | "WELCOME10" |
| remark | string | 否 | 订单备注 | "请下午配送" |

**items数组结构**:
```json
[
  {
    "product_id": 1,
    "quantity": 2
  }
]
```

**响应示例**:
```json
{
  "code": 201,
  "message": "订单创建成功",
  "data": {
    "order_id": 1,
    "order_no": "ORDER202301010001",
    "total_amount": 59.8,
    "payment_amount": 59.8,
    "pay_url": "/pay/order/ORDER202301010001"
  }
}
```

### 2. 获取订单列表

**GET** `/orders`

**请求头**:
```
Authorization: Bearer <token>
```

**查询参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| page | integer | 页码（默认1） | 1 |
| limit | integer | 每页数量（默认10） | 10 |
| status | string | 订单状态 | "pending" |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "orders": [
      {
        "id": 1,
        "order_no": "ORDER202301010001",
        "total_amount": 59.8,
        "status": "pending",
        "status_text": "待支付",
        "created_at": "2023-01-01T10:00:00Z",
        "items": [
          {
            "product_name": "玫瑰花束",
            "product_image": "/uploads/products/rose_bouquet.jpg",
            "quantity": 2,
            "price": 29.9
          }
        ]
      }
    ],
    "pagination": {
      "page": 1,
      "limit": 10,
      "total": 5,
      "pages": 1
    }
  }
}
```

### 3. 获取订单详情

**GET** `/orders/{id}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 订单ID | 1 |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "id": 1,
    "order_no": "ORDER202301010001",
    "total_amount": 59.8,
    "payment_amount": 59.8,
    "status": "paid",
    "status_text": "已支付",
    "shipping_address": {
      "recipient": "张三",
      "phone": "13800138000",
      "address": "北京市海淀区中关村大街1号"
    },
    "items": [
      {
        "product_id": 1,
        "product_name": "玫瑰花束",
        "product_image": "/uploads/products/rose_bouquet.jpg",
        "quantity": 2,
        "price": 29.9,
        "subtotal": 59.8
      }
    ],
    "payment_info": {
      "payment_method": "wechat",
      "payment_time": "2023-01-01T10:05:00Z",
      "transaction_id": "4200001234567890"
    },
    "shipping_info": {
      "shipping_method": "express",
      "tracking_number": "SF1234567890",
      "estimated_delivery": "2023-01-01T14:00:00Z"
    },
    "created_at": "2023-01-01T10:00:00Z",
    "paid_at": "2023-01-01T10:05:00Z"
  }
}
```

## 收货地址接口

### 1. 获取收货地址列表

**GET** `/addresses`

**请求头**:
```
Authorization: Bearer <token>
```

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": [
    {
      "id": 1,
      "recipient": "张三",
      "phone": "13800138000",
      "province": "北京市",
      "city": "北京市",
      "district": "海淀区",
      "detail": "中关村大街1号",
      "is_default": true,
      "created_at": "2023-01-01T00:00:00Z"
    }
  ]
}
```

### 2. 添加收货地址

**POST** `/addresses`

**请求头**:
```
Authorization: Bearer <token>
```

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| recipient | string | 是 | 收货人 | "张三" |
| phone | string | 是 | 手机号 | "13800138000" |
| province | string | 是 | 省份 | "北京市" |
| city | string | 是 | 城市 | "北京市" |
| district | string | 是 | 区县 | "海淀区" |
| detail | string | 是 | 详细地址 | "中关村大街1号" |
| is_default | boolean | 否 | 是否默认 | true |

**响应示例**:
```json
{
  "code": 201,
  "message": "添加成功",
  "data": {
    "address_id": 1
  }
}
```

### 3. 更新收货地址

**PUT** `/addresses/{id}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 地址ID | 1 |

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| recipient | string | 否 | 收货人 | "张三" |
| phone | string | 否 | 手机号 | "13800138000" |
| province | string | 否 | 省份 | "北京市" |
| city | string | 否 | 城市 | "北京市" |
| district | string | 否 | 区县 | "海淀区" |
| detail | string | 否 | 详细地址 | "中关村大街1号" |
| is_default | boolean | 否 | 是否默认 | true |

**响应示例**:
```json
{
  "code": 200,
  "message": "更新成功"
}
```

### 4. 删除收货地址

**DELETE** `/addresses/{id}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| id | integer | 地址ID | 1 |

**响应示例**:
```json
{
  "code": 200,
  "message": "删除成功"
}
```

## 推广奖励接口

### 1. 获取推广信息

**GET** `/promotion/info`

**请求头**:
```
Authorization: Bearer <token>
```

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "promotion_code": "PROMO123456",
    "qr_code_url": "/uploads/qrcodes/promo_123456.png",
    "promotion_url": "https://aijianhua.com/promo/PROMO123456",
    "total_invites": 15,
    "successful_orders": 8,
    "total_earnings": 120.5,
    "available_balance": 85.3,
    "withdrawn_amount": 35.2
  }
}
```

### 2. 获取推广记录

**GET** `/promotion/records`

**请求头**:
```
Authorization: Bearer <token>
```

**查询参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| page | integer | 页码（默认1） | 1 |
| limit | integer | 每页数量（默认10） | 10 |
| type | string | 记录类型 | "invite" |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "records": [
      {
        "id": 1,
        "type": "invite",
        "user_name": "李*",
        "phone": "138****0000",
        "amount": 10.0,
        "status": "completed",
        "created_at": "2023-01-01T10:00:00Z"
      },
      {
        "id": 2,
        "type": "order_commission",
        "user_name": "王*",
        "order_amount": 299.0,
        "amount": 29.9,
        "status": "pending",
        "created_at": "2023-01-02T14:30:00Z"
      }
    ],
    "pagination": {
      "page": 1,
      "limit": 10,
      "total": 25,
      "pages": 3
    }
  }
}
```

### 3. 申请提现

**POST** `/promotion/withdraw`

**请求头**:
```
Authorization: Bearer <token>
```

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| amount | number | 是 | 提现金额 | 50.0 |
| payment_method | string | 是 | 支付方式 | "wechat" |
| account_info | string | 是 | 账户信息 | "wx_1234567890" |

**响应示例**:
```json
{
  "code": 200,
  "message": "提现申请已提交",
  "data": {
    "withdraw_id": 1,
    "amount": 50.0,
    "status": "processing",
    "estimated_arrival": "2023-01-03T10:00:00Z"
  }
}
```

### 4. 获取提现记录

**GET** `/promotion/withdrawals`

**请求头**:
```
Authorization: Bearer <token>
```

**查询参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| page | integer | 页码（默认1） | 1 |
| limit | integer | 每页数量（默认10） | 10 |

**响应示例**:
```json
{
  "code": 200,
  "message": "获取成功",
  "data": {
    "withdrawals": [
      {
        "id": 1,
        "amount": 50.0,
        "payment_method": "wechat",
        "status": "completed",
        "completed_at": "2023-01-03T10:00:00Z",
        "created_at": "2023-01-01T10:00:00Z"
      }
    ],
    "pagination": {
      "page": 1,
      "limit": 10,
      "total": 5,
      "pages": 1
    }
  }
}
```

## 支付接口

### 1. 发起支付

**POST** `/pay/orders/{order_no}`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| order_no | string | 订单编号 | "ORDER202301010001" |

**响应示例**:
```json
{
  "code": 200,
  "message": "支付参数生成成功",
  "data": {
    "payment_params": {
      "timeStamp": "1672531200",
      "nonceStr": "5K8264ILTKCH16CQ2502SI8ZNMTM67VS",
      "package": "prepay_id=wx201410272009395522fsd8f8f8f8f8f8",
      "signType": "MD5",
      "paySign": "C380BEC2BFD727A4B6845133519F3AD6"
    }
  }
}
```

### 2. 查询支付结果

**GET** `/pay/orders/{order_no}/status`

**请求头**:
```
Authorization: Bearer <token>
```

**路径参数**:

| 参数名 | 类型 | 说明 | 示例 |
|--------|------|------|------|
| order_no | string | 订单编号 | "ORDER202301010001" |

**响应示例**:
```json
{
  "code": 200,
  "message": "查询成功",
  "data": {
    "order_no": "ORDER202301010001",
    "payment_status": "paid",
    "paid_amount": 59.8,
    "paid_at": "2023-01-01T10:05:00Z"
  }
}
```

## 文件上传接口

### 1. 上传文件

**POST** `/upload`

**请求格式**: `multipart/form-data`

**请求参数**:

| 参数名 | 类型 | 必填 | 说明 | 示例 |
|--------|------|------|------|------|
| file | file | 是 | 上传文件 | - |
| type | string | 否 | 文件类型 | "avatar" |

**响应示例**:
```json
{
  "code": 200,
  "message": "上传成功",
  "data": {
    "url": "/uploads/avatars/avatar_123.jpg",
    "filename": "avatar_123.jpg",
    "size": 102400,
    "mime_type": "image/jpeg"
  }
}
```

---

*本文档最后更新: 2024-01-15*
*API版本: v1.0*