用户收藏sql优化，接口增加缓存

src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java

@@ -14,6 +14,8 @@ import com.sqx.modules.course.entity.CourseDetails;
 import com.sqx.modules.course.service.CourseCollectService;
 import com.sqx.modules.course.service.CourseDetailsService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.CachePut;
 import org.springframework.stereotype.Service;
 
 import java.text.SimpleDateFormat;
@@ -32,6 +34,7 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
     private ReentrantReadWriteLock reentrantReadWriteLock=new ReentrantReadWriteLock(true);
 
     @Override
+    @CacheEvict(value = "app:courseCollect", key = "#courseCollect.userId")
     public Result insertCourseCollect(CourseCollect courseCollect) {
         reentrantReadWriteLock.writeLock().lock();
         try {
@@ -95,6 +98,7 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
     }
 
     @Override
+    @CachePut(value = "app:courseCollect", key = "#userId")
     public Result selectByUserId(Integer page, Integer limit, Long userId,Integer classify) {
         Page<Course> pages=new Page<>(page,limit);
         IPage<Course> courseIPage = baseMapper.selectCourseByCollect(pages, userId,classify);