select file_id, qu_id, url, file_type ,file_name from sys_file and qu_id = #{quId} and file_id = #{fileId} where file_id = #{fileId} and qu_id = #{quId} and qu_id = #{quId} insert into sys_file file_id, qu_id, url, file_type, file_name, #{fileId}, #{quId}, #{url}, #{fileType}, #{fileName}, insert into sys_file (file_id, qu_id,url,file_type,file_name) values (#{item.fileId},#{item.quId},#{item.url},#{item.fileType},#{item.fileName}) update sys_file qu_id = #{quId}, url = #{url}, file_type = #{fileType}, where file_id = #{fileId} delete from sys_file where file_id = #{fileId} delete from sys_file where file_id in #{fileId} delete from sys_file where qu_id = #{firstQuId} delete from sys_file where qu_id in #{firstQuId}