id, user_id, user_name, type_name, status, add_time, update_time, content INSERT INTO site_message user_id, user_name, type_name, status, add_time, update_time, content #{userId}, #{userName}, #{typeName}, #{status}, #{addTime}, #{updateTime}, #{content} DELETE FROM site_message WHERE id = #{id} UPDATE site_message user_id = #{userId}, user_name = #{userName}, type_name = #{typeName}, status = #{status}, add_time = #{addTime}, update_time = #{updateTime}, content = #{content} WHERE id = #{id} SELECT FROM site_message WHERE id = #{id} SELECT FROM site_message LIMIT #{offset}, #{pageSize} SELECT count(1) FROM site_message SELECT FROM site_message WHERE 1=1 and user_id = #{userId} order by id desc SELECT count(1) FROM site_message where user_id = #{userId} and type_name = #{typeName} and TO_DAYS(add_time) = TO_DAYS(NOW()) UPDATE site_message set status = 2,update_time = now() WHERE user_id = #{userId} and status= 1 SELECT count(1) FROM site_message where user_id = #{userId} and status=1