select id, user_id, title, type, content, img_url, create_time, update_time, remark from app_message insert into app_message user_id, title, type, content, img_url, create_time, update_time, remark, #{userId}, #{title}, #{type}, #{content}, #{imgUrl}, #{createTime}, #{updateTime}, #{remark}, update app_message user_id = #{userId}, title = #{title}, type = #{type}, content = #{content}, img_url = #{imgUrl}, create_time = #{createTime}, update_time = #{updateTime}, remark = #{remark}, where id = #{id} delete from app_message where id = #{id} delete from app_message where id in #{id}