1 $file = "我是一个路径"; 2 if(empty($file)){ 3 $this->displayJson(Ap_Constants::ERROR_EMPTY); 4 } 5 6 7 $file_name = $file['name']; 8 $size = $file['size']; 9 //中文需要转码 10 $path = iconv('UTF-8', 'GB2312', $file['path']); 11 $size = $filesize=filesize($path); 12 13 14 $fm = @fopen ( $path, 'rb' ); 15 $begin = 0; 16 $end = $size - 1; 17 18 if (isset ( $_SERVER ['HTTP_RANGE'] )) { 19 if (preg_match ( '/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER ['HTTP_RANGE'], $matches )) { 20 // 读取文件，起始节点 21 $begin = intval ( $matches [1] ); 22 23 // 读取文件，结束节点 24 if (! empty ( $matches [2] )) { 25 $end = intval ( $matches [2] ); 26 } 27 } 28 } 29 30 if (isset ( $_SERVER ['HTTP_RANGE'] )) { 31 header ( 'HTTP/1.1 206 Partial Content' ); 32 } else { 33 header ( 'HTTP/1.1 200 OK' ); 34 } 35 36 Header("Content-type: application/vnd.android.package-archive"); 37 header ( 'Cache-Control: public, must-revalidate, max-age=0' ); 38 header ( 'Pragma: no-cache' ); 39 header ( 'Accept-Ranges: bytes' ); 40 header ( 'Content-Length:' . (($end - $begin) + 1) ); 41 42 if (isset ( $_SERVER ['HTTP_RANGE'] )) { 43 header ( "Content-Range: bytes $begin-$end/$size" ); 44 } 45 46 header ( "Content-Disposition: inline; filename=$file_name" ); 47 header ( "Content-Transfer-Encoding: binary" ); 48 49 $cur = $begin; 50 51 // 定位指针 52 fseek ( $fm, $begin, 0 ); 53 ob_clean(); 54 flush(); 55 while ( ! feof ( $fm ) && $cur <= $end && (connection_status () == 0) ) { 56 print fread ( $fm, min ( 1024 * 16, ($end - $cur) + 1 ) ); 57 $cur += 1024 * 16; 58 } 59 exit(0);
