select count(*) from lf.sys_msg upper(title) like #{title} select * from lf.sys_msg upper(title) like #{title} order by id limit #{limit} offset #{offset} select * from lf.sys_msg order by id; select * from lf.sys_msg where id = #{id} insert into lf.sys_msg (title,msg,guid,create_user,create_time) values (#{title},#{msg},#{guid},#{createUser},now()) insert into lf.sys_msg (title,msg,guid,create_user,create_time) values (#{item.title},#{item.msg},#{item.guid},#{item.createUser},now()) delete from lf.sys_msg where id = #{id} delete from lf.sys_msg where id in #{id} update lf.sys_msg set title=#{title},msg=#{msg},guid=#{guid},update_user=#{updateUser},update_time=now() where id=#{id} update lf.sys_msg title=#{item.title},msg=#{item.msg},guid=#{item.guid},update_user=#{item.updateUser},update_time=now() where id = #{item.id}