update xhpc_help set del_flag=1 where help_id=#{helpId}; select count(title) from xhpc_help where type=#{type} and title=#{title} and del_flag=0; insert xhpc_help (title,content,type) values (#{title},#{content},#{type}); update xhpc_help set title=#{title},content=#{content},type=#{type} where help_id=#{helpId}; select * from xhpc_help where del_flag=0 and title like concat('%',#{title},'%') and create_by like concat('%',#{createBy},'%') and type=#{type} select * from xhpc_help where help_id=#{helpId} select help_id as helpId,title from xhpc_help where type=#{type} and status=0 and del_flag=0 select title,cast(content as char) as content from xhpc_help where help_id=#{helpId}