实现在购买成功时插入购买记录

在购买操作完成时，系统现在将插入一条购买记录，以跟踪购买的连接器的名称和购买价格。这确保了购买活动的记录可以被记录和追踪。

src/main/java/com/muyu/system/service/impl/BuyServiceImpl.java

@@ -45,6 +45,11 @@ public class BuyServiceImpl extends ServiceImpl<BuyMapper, Connector> implements
         if (i>0){
             user.setUserBalance(user.getUserBalance()-connectorUser.getConnectorFrequency()*connectorUser.getConnectorPrice());
             buyMapper.buyPrice(user);
+            ConnectorLog connectorLog = new ConnectorLog();
+            connectorLog.setDataName(connectorUser.getConnectorName());
+            connectorLog.setAmount(connectorUser.getConnectorPrice());
+            // 插入购买记录
+            buyMapper.insertPurchaseRecord(connectorLog);
             return Result.success(i,"购买成功");
         }
         ConnectorUser connectorUser1 = buyMapper.selectConnectorUser(connectorUser);