添加空值过滤

src/main/java/com/peanut/modules/mq/Consumer/CommonConsumer.java

@@ -1,5 +1,6 @@
 package com.peanut.modules.mq.Consumer;
 
+import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.peanut.common.utils.DateUtils;
 import com.peanut.common.utils.R;
@@ -9,6 +10,7 @@ import com.peanut.modules.common.entity.*;
 import com.peanut.modules.common.service.ClassEntityService;
 import com.peanut.modules.common.service.ClassExamService;
 import com.peanut.modules.common.service.CouponHistoryService;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.amqp.rabbit.annotation.RabbitListener;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
@@ -19,6 +21,7 @@ import java.util.Map;
 
 //通用延迟队列
 @Component
+@Slf4j
 public class CommonConsumer {
 
     @Autowired
@@ -42,6 +45,7 @@ public class CommonConsumer {
 
     @RabbitListener(queues = DelayQueueConfig.COMMON_QUEUE)
     public void commonConsumer(String typeAndParam) {
+        try {
             //参数为   业务模块 + , + 参数
             String[] typeAndParams = typeAndParam.split(",");
             //考试周天数，根据设置的天数将班级状态从进行中设置成考试中
@@ -64,7 +68,9 @@ public class CommonConsumer {
             //加班后24小时未买课踢出去
             if ("joinClass".equals(typeAndParams[0])){
                 ClassEntity classEntity = classEntityDao.selectById(typeAndParams[1]);
+                if (classEntity!=null&&"0".equals(classEntity.getState())){
                     MyUserEntity user = myUserDao.selectById(typeAndParams[2]);
+                    if (user!=null){
                         if ("0".equals(user.getVip())||"3".equals(user.getVip())){
                             //不是vip查询每门课是否购买
                             List<ClassCourse> courses = classCourseDao.selectList(new LambdaQueryWrapper<ClassCourse>()
@@ -86,6 +92,8 @@ public class CommonConsumer {
                             }
                         }
                     }
+                }
+            }
             //优惠卷过期
             if ("couponExpire".equals(typeAndParams[0])){
                 CouponHistory couponHistory = couponHistoryService.getById(typeAndParams[1]);
@@ -94,8 +102,9 @@ public class CommonConsumer {
                     couponHistoryService.updateById(couponHistory);
                 }
             }
-
-
+        }catch (Exception e) {
+            log.error("mq通用队列消费异常",e.getMessage()+"-"+typeAndParam);
+        }
     }
 
 }