//id查询
@Query("SELECT s FROM SysStudent s WHERE id= ? and s.state= '1' ")//and s.state= '1'
SysStudent StudentById(String id);
//模糊查询
@Query("SELECT s FROM SysStudent s WHERE s.name LIKE ? and s.state= '1' ")//and s.state= '1'
List<SysStudent> findStudentName(String name);
//修改
@Modifying
@Query("UPDATE SysStudent s SET s.name= ? , s.sex= ? ,s.age = ? ,s.phone= ? WHERE id= ?")
int editStudent(String name,String sex,int age,String phone,String id);
//删除
@Modifying
@Query("UPDATE SysStudent s SET state= '2' WHERE id= ?")
void deleteStudent(String id);
SysStudent:自己创建的相关实体名
id,state:实体的相关属性
@Modifying:返回值为int或者void时必须适应此注解