select count(1) from sys_role_menu where menu_id = #{menuId} and del_flag=0 update sys_role_menu set del_flag=1,update_by=#{update_by},update_time=sysdate() where role_id=#{roleId} and del_flag=0 delete from sys_role_menu where role_id in #{roleId} insert into sys_role_menu(role_id, menu_id,del_flag,create_by,create_time) values (#{item.roleId},#{item.menuId},#{item.delFlag},#{item.createBy},#{item.createTime})