submit

zhongzheng-system/src/main/java/com/zhongzheng/modules/order/service/impl/OrderServiceImpl.java

@@ -2307,7 +2307,8 @@ public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements
             if ((classGradeVo.getStudentUpper() - locakStudentNum) > 0) {
                 ClassGradeUser gradeUser = iClassGradeUserService.getOne(new LambdaQueryWrapper<ClassGradeUser>().eq(ClassGradeUser::getGradeId, gradeId)
                         .eq(sevenFlag,ClassGradeUser::getOrderGoodsId,orderGoodsId)
-                        .eq(ClassGradeUser::getUserId, userId));
+                        .eq(ClassGradeUser::getUserId, userId)
+                        .last("limit 1"));
                 //不在此班级内
                 if (Validator.isEmpty(gradeUser)) {
                     //班级还有剩位,直接锁定班级
@@ -2347,7 +2348,8 @@ public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements
                 //班级还有剩位,直接锁定班级
                 ClassGradeUser gradeUser = iClassGradeUserService.getOne(new LambdaQueryWrapper<ClassGradeUser>().eq(ClassGradeUser::getGradeId, gradeId)
                         .eq(sevenFlag,ClassGradeUser::getOrderGoodsId,orderGoodsId)
-                        .eq(ClassGradeUser::getUserId, userId));
+                        .eq(ClassGradeUser::getUserId, userId)
+                        .last("limit 1"));
                 //不在此班级内
                 if (Validator.isEmpty(gradeUser)) {
                     if (iClassGradeService.checkEjjjPeopleNumLimit(businessId, gradeId)) { //判断全系统平台二建班级人数是否超300