'合并'

src/main/java/com/futu/course/cupons/ScheduledTask.java

@@ -0,0 +1,44 @@
+package com.futu.course.cupons;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.futu.course.course.domain.Course;
+import com.futu.course.course.mapper.CourseMapper;
+import com.futu.course.user.domain.UserCoupon;
+import com.futu.course.user.mapper.UserCouponMapper;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+import java.util.Date;
+import java.util.List;
+
+@Component
+@EnableScheduling
+public class ScheduledTask {
+
+    @Resource
+    private CourseMapper courseMapper;
+    @Resource
+    private UserCouponMapper userCouponMapper;
+//  定时任务检查优惠券是否过期
+    @Scheduled(cron = "* * * * * * *")
+    public void setCourse(){
+
+        List<Course> courses = courseMapper.selectList(new QueryWrapper<>(null));
+        for (Course c:courses){
+            if (c.getEndTime().before(new Date())){
+                setUserCoupon(c.getId());
+            }
+        }
+
+    }
+
+    public void setUserCoupon(Long id){
+        userCouponMapper.delete(new QueryWrapper<UserCoupon>().eq("coupon_id",id));
+        courseMapper.deleteById(id);
+    }
+
+
+}