select count(*) from lf.sys_model layerid = #{layerid} select * from lf.sys_model layerid = #{layerid} order by id desc limit #{limit} offset #{offset} select * from lf.sys_model order by id desc; select * from lf.sys_model where id = #{id} select * from lf.sys_model where layerid = #{layerid} and modelid = #{modelid} limit 1; insert into lf.sys_model (layerid,modelid,guid,name,type,info,url,icon,create_user,create_time,bak) values (#{layerid},#{modelid},#{guid},#{name},#{type},#{info},#{url},#{icon},#{createUser},now(),#{bak}) insert into lf.sys_model (layerid,modelid,guid,name,type,info,url,icon,create_user,create_time,bak) values (#{item.layerid},#{item.modelid},#{item.guid},#{item.name},#{item.type},#{item.info},#{item.url},#{item.icon},#{item.createUser},now(),#{item.bak}) delete from lf.sys_model where id = #{id} delete from lf.sys_model where id in #{id} update lf.sys_model set layerid=#{layerid},modelid=#{modelid},guid=#{guid},name=#{name},type=#{type},info=#{info},url=#{url},icon=#{icon},update_user=#{updateUser},update_time=now(),bak=#{bak} where id=#{id} update lf.sys_model layerid=#{item.layerid},modelid=#{item.modelid},guid=#{item.guid},name=#{item.name},type=#{item.type},info=#{item.info},url=#{item.url},icon=#{item.icon},update_user=#{item.updateUser},update_time=now(),bak=#{item.bak} where id = #{item.id}