余额结算：允许本次支付后余额为负数，但仅限于余额首次变为负数

njzscloud-svr/src/main/java/com/njzscloud/supervisory/order/controller/PaymentController.java

@@ -1,6 +1,5 @@
 package com.njzscloud.supervisory.order.controller;
 
-import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.google.common.base.Strings;
 import com.njzscloud.common.core.ex.ExceptionMsg;
 import com.njzscloud.common.core.ex.Exceptions;
@@ -26,8 +25,6 @@ import com.njzscloud.supervisory.order.pojo.result.PaymentContextResult;
 import com.njzscloud.supervisory.order.service.OrderExpenseItemsService;
 import com.njzscloud.supervisory.order.service.OrderInfoService;
 import com.njzscloud.supervisory.order.service.WechatPayService;
-import com.njzscloud.supervisory.sys.user.pojo.entity.UserAccountEntity;
-import com.njzscloud.supervisory.sys.user.service.UserAccountService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
@@ -52,8 +49,6 @@ public class PaymentController {
     private final MoneyAccountService moneyAccountService;
     private final MoneyChangeDetailService moneyChangeDetailService;
     private final WechatPayService wechatPayService;
-    private final UserAccountService userAccountService;
-
 
     /**
      * 发起支付（占位接口，当前返回空支付内容）
@@ -130,12 +125,15 @@ public class PaymentController {
 
             // 根据结算方式判断是否需要检查余额
             if (SettlementWay.BALANCE.getVal().equals(ctx.getSettlementWay())) {
-                // 余额结算：需要检查余额是否充足
+                // 余额结算：允许本次支付后余额为负数，但仅限于余额首次变为负数
-                if (ctx.getCompanyBalance() == null || ctx.getCompanyBalance().compareTo(ctx.getSettleMoney()) < 0) {
+                if (ctx.getCompanyBalance() == null) {
+                    ctx.setCompanyBalance(BigDecimal.ZERO);
+                }
+                if (ctx.getCompanyBalance().compareTo(BigDecimal.ZERO) < 0) {
+                    // 已经是负数，禁止再次支付
                     throw Exceptions.clierr("公司账户余额不足");
                 }
             }
-            // 月结方式：不需要检查余额，允许余额为负数
 
             // 直接扣减公司账户余额
             deductCompanyBalance(ctx, ctx.getSettleMoney(), paymentParam.getOrderId());
@@ -145,7 +143,7 @@ public class PaymentController {
             orderDto.setOutTradeNo("ORDER_" + ctx.getSn() + "_" + System.currentTimeMillis());
             orderDto.setDescription("订单支付-" + ctx.getSn());
             orderDto.setTotal(ctx.getSettleMoney().multiply(new BigDecimal("100")).longValue()); // 转换为分
-            orderDto.setOpenid(ctx.getWechatOpenid());
+            orderDto.setOpenid(getOpenId(paymentParam.getWxCode()));
 
             WechatPayJsapiOrderResponseDto response = wechatPayService.createMiniProgramOrder(orderDto);
 
@@ -456,38 +454,16 @@ public class PaymentController {
         return null;
     }
 
-    /**
+    public String getOpenId(String wxCode) {
-     * 绑定微信账号信息
-     */
-    @PostMapping("/wechat/bind")
-    public R<?> bindWechatAccount(@RequestBody BindParam param) {
-        // 通过userId查询用户账号信息
-        UserAccountEntity userAccount = userAccountService.getOne(
-            Wrappers.<UserAccountEntity>lambdaQuery()
-                .eq(UserAccountEntity::getUserId, param.getUserId())
-        );
-        
-        if (userAccount == null) {
-            throw new UserLoginException(ExceptionMsg.CLI_ERR_MSG, "用户不存在");
-        }
-        
         // 调用微信API获取openId和unionId
-        Code2SessionResult code2SessionResult = WechatUtil.code2Session(new Code2SessionParam().setJs_code(param.getWxCode()));
+        Code2SessionResult code2SessionResult = WechatUtil.code2Session(new Code2SessionParam().setJs_code(wxCode));
         Integer errcode = code2SessionResult.getErrcode();
         if (errcode != null && errcode != 0) {
             log.error("微信登录失败, errcode: {}, errmsg: {}", errcode, code2SessionResult.getErrmsg());
             throw new UserLoginException(ExceptionMsg.CLI_ERR_MSG, "微信登录失败");
         }
 
-        String openid = code2SessionResult.getOpenid();
+        return code2SessionResult.getOpenid();
-        String unionid = code2SessionResult.getUnionid();
-        
-        // 更新用户账号的微信信息
-        userAccount.setWechatOpenid(openid);
-        userAccount.setWechatUnionid(unionid);
-//        userAccountService.updateById(userAccount);
-        
-        return R.success("微信账号绑定成功");
     }
 
 }