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PHP简单实现断点续传下载的方法

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Release: 2016-06-06 19:42:42
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这篇文章主要介绍了PHP实现断点续传下载的方法,涉及php针对文件传输的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了PHP实现断点续传下载的方法。分享给大家供大家参考。具体如下:

$fname = 'http://XXXX/MMLDZG.mp3'; $fp = fopen($fname,'rb'); $fsize = filesize($fname); if (isset($_SERVER['HTTP_RANGE']) && ($_SERVER['HTTP_RANGE'] != "") && preg_match("/^bytes=([0-9]+)-$/i", $_SERVER['HTTP_RANGE'], $match) && ($match[1] 0) { fseek($fp, $start); Header("HTTP/1.1 206 Partial Content"); Header("Content-Length: " . ($fsize - $start)); Header("Content-Ranges: bytes" . $start . "-" . ($fsize - 1) . "http://www.jb51.net/" . $fsize); } else { header("Content-Length: $fsize"); Header("Accept-Ranges: bytes"); } @header("Content-Type: application/octet-stream"); @header("Content-Disposition: attachment;filename=mmdld.mp3"); fpassthru($fp); fpassthru();//函数输出文件指针处的所有剩余数据。

该函数将给定的文件指针从当前的位置读取到 EOF,并把结果写到输出缓冲区。

希望本文所述对大家的php程序设计有所帮助。

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