```
feat(WxLoginController): 添加调试接口获取AccessToken并增强错误处理 新增调试端点 /debug/getAccessToken用于手动触发获取微信 AccessToken, 便于问题排查。同时增强微信 API 调用的错误处理逻辑,针对常见错误码(如 AppID、AppSecret 配置错误)抛出更明确的异常信息,提升调试效率 和问题定位准确性。 ```
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# 微信支付回调处理完整实现
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## 📋 **功能概述**
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根据前端代码的需求,后端已经实现了完整的支付回调处理逻辑,包括:
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### ✅ **已实现的核心功能**
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1. **回调签名验证**
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2. **支付订单状态更新**
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3. **业务订单状态更新**
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4. **支付成功后业务逻辑**
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## 🔄 **完整处理流程**
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### 1. 微信支付回调入口
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```
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POST /api/payment/notify/wechat/{tenantId}
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```
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### 2. 处理链路
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```
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PaymentNotifyController.wechatNotify()
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↓
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PaymentServiceImpl.handlePaymentNotify()
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↓
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WechatNativeStrategy.handleNotify()
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↓
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WxPayNotifyService.handlePaymentNotify()
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```
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### 3. 核心处理逻辑
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```
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1. 验证回调参数
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2. 获取微信支付配置
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3. 解析并验证回调数据(签名验证)
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4. 处理支付结果:
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- SUCCESS: 处理支付成功
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- REFUND: 处理退款
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- FAILED: 处理支付失败
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```
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## 🎯 **支付成功处理详情**
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### WxPayNotifyService.handlePaymentSuccess()
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1. **验证金额**:确保回调金额与订单金额一致
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2. **更新订单状态**:
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- `payStatus = true`
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- `transactionId = 微信交易号`
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- `payTime = 支付时间`
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3. **调用业务逻辑**:`shopOrderService.updateByOutTradeNo(order)`
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4. **推送通知**:`pushPaymentNotification()`
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### ShopOrderServiceImpl.handlePaymentSuccess()
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1. **使用优惠券**:标记优惠券为已使用
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2. **累计商品销量**:更新商品销售数量
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3. **特殊租户处理**:租户10550的特殊业务逻辑
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## 🛠️ **新增功能**
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### 1. 增强的通知推送
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- **详细日志记录**:记录支付成功的完整信息
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- **通知发送框架**:为邮件、短信、站内消息预留接口
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- **业务逻辑触发**:为后续业务扩展预留接口
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### 2. 手动状态更新接口
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```
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PUT /api/payment/update-status
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```
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**请求参数**:
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```json
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{
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"orderNo": "ORDER_1756544921075",
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"tenantId": 10398,
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"transactionId": "4200001234567890123",
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"payTime": "2025-01-26T10:30:00"
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}
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```
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## 🚀 **测试建议**
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### 1. 回调处理测试
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```bash
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# 模拟微信支付回调
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curl -X POST "http://127.0.0.1:9200/api/payment/notify/wechat/10398" \
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-H "Content-Type: application/json" \
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-H "Wechatpay-Serial: 证书序列号" \
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-H "Wechatpay-Signature: 签名" \
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-H "Wechatpay-Timestamp: 时间戳" \
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-H "Wechatpay-Nonce: 随机字符串" \
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-d '回调数据'
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```
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### 2. 状态查询测试
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```bash
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# 查询支付状态
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curl "http://127.0.0.1:9200/api/payment/query?orderNo=ORDER_1756544921075&tenantId=10398&paymentType=WECHAT_NATIVE"
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```
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### 3. 手动状态更新测试
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```bash
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# 手动更新支付状态
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curl -X PUT "http://127.0.0.1:9200/api/payment/update-status" \
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-H "Content-Type: application/json" \
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-d '{
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"orderNo": "ORDER_1756544921075",
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"tenantId": 10398
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}'
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```
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## 📝 **扩展建议**
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### 1. 通知功能扩展
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在 `sendPaymentSuccessNotification()` 方法中可以添加:
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- 邮件通知服务
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- 短信通知服务
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- 微信模板消息
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- 站内消息推送
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### 2. 业务逻辑扩展
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在 `triggerPostPaymentActions()` 方法中可以添加:
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- 会员权益激活
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- 积分奖励发放
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- 营销活动触发
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- 第三方系统同步
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### 3. 监控和告警
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- 支付成功率监控
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- 回调处理失败告警
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- 异常订单自动修复
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## ✅ **总结**
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当前的微信支付回调处理已经实现了前端代码中提到的所有核心功能,并且具有良好的扩展性。主要特点:
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1. **完整的回调处理**:签名验证、数据解析、状态更新
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2. **完善的业务逻辑**:优惠券使用、销量累计、特殊处理
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3. **良好的错误处理**:异常不影响主流程
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4. **扩展性设计**:预留了通知和业务逻辑扩展接口
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