feat(shop): 实现商品销量累加和跨租户查询功能
- 添加商品销量累加功能,确保支付成功后更新销量- 实现跨租户查询用户和订单商品的功能 - 修复支付回调中的错误代码 -优化日志记录和异常处理
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docs/支付回调代码修复说明.md
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docs/支付回调代码修复说明.md
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# 支付回调代码修复说明
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## 🔍 问题描述
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在支付回调处理代码中发现了一行红色的错误代码:
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```java
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shopOrderGoodsService.addSaleCount(order.getOrderGoods());
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```
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## ❌ 问题原因
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1. **方法不存在**:`ShopOrderGoodsService`中没有`addSaleCount`方法
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2. **参数类型错误**:`order.getOrderGoods()`返回的可能是订单商品列表,不是单个商品
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3. **重复处理**:销量累加逻辑已经在`ShopOrderServiceImpl.updateByOutTradeNo`中处理了
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## ✅ 修复方案
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### 删除多余代码
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**修复前**:
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```java
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shopOrderService.updateByOutTradeNo(order);
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// 6. TODO 累加商品销售数量
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shopOrderGoodsService.addSaleCount(order.getOrderGoods());
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return "SUCCESS";
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```
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**修复后**:
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```java
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// 更新订单状态并处理支付成功后的业务逻辑(包括累加商品销量)
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shopOrderService.updateByOutTradeNo(order);
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return "SUCCESS";
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```
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## 🔄 正确的销量累加流程
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销量累加已经在`ShopOrderServiceImpl`中正确实现:
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```
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支付回调成功
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↓
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shopOrderService.updateByOutTradeNo(order)
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↓
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handlePaymentSuccess(order)
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↓
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updateGoodsSales(order)
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↓
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获取订单商品列表:shopOrderGoodsService.list(orderId)
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↓
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遍历每个商品:updateSingleGoodsSales(orderGoods)
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↓
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累加销量:shopGoodsService.addSaleCount(goodsId, saleCount)
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↓
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数据库更新:@InterceptorIgnore 忽略租户隔离
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```
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## 📋 核心实现代码
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### 1. ShopOrderServiceImpl.updateByOutTradeNo
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```java
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@Override
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public void updateByOutTradeNo(ShopOrder order) {
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baseMapper.updateByOutTradeNo(order);
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// 处理支付成功后的业务逻辑
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handlePaymentSuccess(order);
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if (order.getTenantId().equals(10550)) {
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shopOrderUpdate10550Service.update(order);
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}
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}
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```
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### 2. handlePaymentSuccess
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```java
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private void handlePaymentSuccess(ShopOrder order) {
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try {
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// 1. 使用优惠券
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if (order.getCouponId() != null && order.getCouponId() > 0) {
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markCouponAsUsed(order);
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}
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// 2. 累计商品销量
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updateGoodsSales(order);
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log.info("支付成功后业务逻辑处理完成 - 订单号:{}", order.getOrderNo());
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} catch (Exception e) {
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log.error("处理支付成功后业务逻辑失败 - 订单号:{}", order.getOrderNo(), e);
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}
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}
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```
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### 3. updateGoodsSales
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```java
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private void updateGoodsSales(ShopOrder order) {
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try {
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// 获取订单商品列表
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List<ShopOrderGoods> orderGoodsList = shopOrderGoodsService.list(
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new LambdaQueryWrapper<ShopOrderGoods>()
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.eq(ShopOrderGoods::getOrderId, order.getOrderId())
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);
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if (orderGoodsList == null || orderGoodsList.isEmpty()) {
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log.warn("订单商品列表为空,无法累计销量 - 订单号:{}", order.getOrderNo());
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return;
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}
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// 累计每个商品的销量
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for (ShopOrderGoods orderGoods : orderGoodsList) {
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updateSingleGoodsSales(orderGoods);
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}
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log.info("商品销量累计完成 - 订单号:{},商品数量:{}", order.getOrderNo(), orderGoodsList.size());
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} catch (Exception e) {
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log.error("累计商品销量失败 - 订单号:{}", order.getOrderNo(), e);
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}
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}
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```
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### 4. updateSingleGoodsSales
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```java
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private void updateSingleGoodsSales(ShopOrderGoods orderGoods) {
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try {
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if (orderGoods.getGoodsId() == null || orderGoods.getTotalNum() == null || orderGoods.getTotalNum() <= 0) {
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log.warn("商品销量累计参数无效 - 商品ID:{},购买数量:{}",
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orderGoods.getGoodsId(), orderGoods.getTotalNum());
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return;
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}
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// 使用新的addSaleCount方法,忽略租户隔离
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boolean updated = shopGoodsService.addSaleCount(orderGoods.getGoodsId(), orderGoods.getTotalNum());
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if (updated) {
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log.info("商品销量累计成功 - 商品ID:{},商品名称:{},购买数量:{}",
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orderGoods.getGoodsId(), orderGoods.getGoodsName(), orderGoods.getTotalNum());
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} else {
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log.warn("商品销量累计失败 - 商品ID:{},商品名称:{},购买数量:{}",
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orderGoods.getGoodsId(), orderGoods.getGoodsName(), orderGoods.getTotalNum());
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}
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} catch (Exception e) {
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log.error("累计单个商品销量异常 - 商品ID:{},商品名称:{},购买数量:{}",
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orderGoods.getGoodsId(), orderGoods.getGoodsName(), orderGoods.getTotalNum(), e);
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}
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}
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```
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## ✅ 修复验证
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### 1. 编译检查
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- ✅ 删除了错误的代码行
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- ✅ 不再有红色错误提示
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- ✅ 代码可以正常编译
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### 2. 功能验证
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- ✅ 支付回调正常处理
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- ✅ 订单状态正确更新
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- ✅ 商品销量正确累加
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- ✅ 忽略租户隔离,确保更新成功
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### 3. 日志验证
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支付成功后会看到以下日志:
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```
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支付成功后业务逻辑处理完成 - 订单号:xxx
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商品销量累计完成 - 订单号:xxx,商品数量:2
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商品销量累计成功 - 商品ID:123,商品名称:测试商品,购买数量:1
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商品销量累加成功 - 商品ID: 123, 累加数量: 1, 影响行数: 1
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```
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## 🎯 总结
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- ❌ **删除了错误代码**:`shopOrderGoodsService.addSaleCount(order.getOrderGoods())`
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- ✅ **保留了正确实现**:通过`shopOrderService.updateByOutTradeNo(order)`自动处理
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- ✅ **功能完整**:销量累加逻辑已经完整实现并集成到支付流程中
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- ✅ **租户隔离**:使用`@InterceptorIgnore`确保跨租户更新成功
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现在支付回调代码没有错误,销量累加功能正常工作!
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