INSERT INTO Material ( materialId, teacherId, title, content, picture, origiVoice, created, status , areaid , isNetMate ) Values ( #{materialId}, #{teacherId}, #{title}, #{content}, #{picture}, #{origiVoice},current_timestamp, #{status} , #{areaid} , #{isNetMate} ) UPDATE Material SET materialId = #{materialId}, teacherId = #{teacherId}, title = #{title}, content = #{content}, picture = #{picture}, origiVoice = #{origiVoice}, created = #{created}, status = #{status} , areaid = #{areaid} , isNetMate = #{isNetMate} where materialId=#{materialId} SELECT materialId , teacherId , title , content , picture , origiVoice , created , status , areaid ,isNetMate FROM Material WHERE materialId=#{materialId} SELECT nextval('seq_materialId') ; SELECT count(*) as howmuch from Material WHERE teacherId=#{teacherId} and status = 1 and areaid = #{areaid} SELECT materialId , teacherId , title , content , picture , origiVoice , created , status , areaid , isNetMate FROM Material WHERE teacherId=#{teacherId} and status = 1 and areaid = #{areaid} ORDER BY materialId desc LIMIT #{pageSize} OFFSET #{offset} UPDATE Material SET status = 0 WHERE materialId in #{item} SELECT count(*) as howmuch from Material WHERE isNetMate =1 and status =1 SELECT materialId , teacherId , title , content , picture , origiVoice , created , status , areaid , isNetMate FROM Material WHERE isNetMate =1 and status = 1 ORDER BY materialId desc LIMIT #{pageSize} OFFSET #{offset}