select id, user_id, title, type, content, img_url, create_time, update_time, remark from app_message and user_id = #{userId} and content = #{content} and img_url = #{imgUrl} select a.id, a.content, a.title, a.type, a.img_url as "imgUrl", a.create_time as "createTime" from app_message a and u.username like concat('%',#{username},'%') and a.content like concat('%',#{content},'%') and a.img_url = #{imgUrl} and a.type = #{type} where id = #{id} 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}