select id, name, filetype, type, fileurl, createuserid, create_time from by_files insert into by_files name, filetype, type, fileurl, createuserid, create_time, #{name}, #{filetype}, #{type}, #{fileurl}, #{createuserid}, #{createTime}, update by_files name = #{name}, filetype = #{filetype}, type = #{type}, fileurl = #{fileurl}, createuserid = #{createuserid}, create_time = #{createTime}, where id = #{id} delete from by_files where id = #{id} delete from by_files where id in #{id}