public function fileUrl( $url ) {
$file = 'uploads/files/' . $url ; if ( file_exists (\dirname( __FILE__ ). $file )) {
return $this ->error( "文件不存在" ); } // 新文件名 $filename = explode ( '.' , $file ); $filename = array_pop ( $filename ); $filename = time(). '.' . $filename ; //下载文件 $filesize = filesize ( $file ) + 1000; header( 'Content-Description:File Transfer' ); header( "Content-Type:application/octet-stream" ); header( 'Content-Transfer-Encoding:binary' ); header( "Accept-Ranges: bytes" ); header( 'Expires:0' ); header( 'Cache-Control:must-revalidate' ); header( 'Pragma:public' ); header( "Content-Length:" . $filesize ); header( "Content-Disposition:attachment;filename=" . $filename ); $fp = fopen ( $file , "rb" ); fseek ( $fp ,0); while (! feof ( $fp )) { set_time_limit(0); print ( fread ( $fp , 1024 * 8)); flush (); ob_flush(); } fclose( $fp ); exit (); } |