UserCourse实现类

java/src/main/java/com/hzu/bookingsystem/service/impl/UserCourseServiceImpl.java

@@ -0,0 +1,50 @@
+package com.hzu.bookingsystem.service.impl;
+
+import com.hzu.bookingsystem.bean.UserCourse;
+import com.hzu.bookingsystem.repository.UserCourseRepository;
+import com.hzu.bookingsystem.service.UserCourseService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class UserCourseServiceImpl implements UserCourseService{
+
+    @Resource
+    private UserCourseRepository usercourseRepository;
+
+    @Override
+    public UserCourse add(UserCourse usercourse) {
+        return usercourseRepository.save(usercourse);
+    }
+
+    @Override
+    public List<UserCourse> findAll() {
+        return usercourseRepository.findAll();
+    }
+
+    @Override
+    public List<UserCourse> findAllByUidAndYearAndSemester(Integer u_id,String year,Integer semester)
+    {
+        return usercourseRepository.findByUIdAndYearAndSemester(u_id,year,semester);
+    }
+
+   @Override
+    public UserCourse findById(Integer uc_id) {
+        return usercourseRepository.findByUcId(uc_id);
+    }
+
+    @Override
+    public UserCourse update(UserCourse usercourse) {
+        return usercourseRepository.save(usercourse);
+    }
+
+    @Override
+    @Transactional
+    public void deleteByUcId(Integer uc_id) {
+        usercourseRepository.deleteByUcId(uc_id);
+    }
+
+}