Created
September 13, 2012 10:05
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PHP 文件下载函数
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// $file = "/folder/filename.ext"; | |
function force_download($file) { | |
// 截取文件扩展名 | |
$ext = explode(".", $file); | |
switch($ext[sizeof($ext)-1]) { | |
case 'jar': $mime = "application/java-archive"; break; | |
case 'zip': $mime = "application/zip"; break; | |
case 'jpeg': $mime = "image/jpeg"; break; | |
case 'jpg': $mime = "image/jpg"; break; | |
case 'jad': $mime = "text/vnd.sun.j2me.app-descriptor"; break; | |
case "gif": $mime = "image/gif"; break; | |
case "png": $mime = "image/png"; break; | |
case "pdf": $mime = "application/pdf"; break; | |
case "txt": $mime = "text/plain"; break; | |
case "doc": $mime = "application/msword"; break; | |
case "ppt": $mime = "application/vnd.ms-powerpoint"; break; | |
case "wbmp": $mime = "image/vnd.wap.wbmp"; break; | |
case "wmlc": $mime = "application/vnd.wap.wmlc"; break; | |
case "mp4s": $mime = "application/mp4"; break; | |
case "ogg": $mime = "application/ogg"; break; | |
case "pls": $mime = "application/pls+xml"; break; | |
case "asf": $mime = "application/vnd.ms-asf"; break; | |
case "swf": $mime = "application/x-shockwave-flash"; break; | |
case "mp4": $mime = "video/mp4"; break; | |
case "m4a": $mime = "audio/mp4"; break; | |
case "m4p": $mime = "audio/mp4"; break; | |
case "mp4a": $mime = "audio/mp4"; break; | |
case "mp3": $mime = "audio/mpeg"; break; | |
case "m3a": $mime = "audio/mpeg"; break; | |
case "m2a": $mime = "audio/mpeg"; break; | |
case "mp2a": $mime = "audio/mpeg"; break; | |
case "mp2": $mime = "audio/mpeg"; break; | |
case "mpga": $mime = "audio/mpeg"; break; | |
case "wav": $mime = "audio/wav"; break; | |
case "m3u": $mime = "audio/x-mpegurl"; break; | |
case "bmp": $mime = "image/bmp"; break; | |
case "ico": $mime = "image/x-icon"; break; | |
case "3gp": $mime = "video/3gpp"; break; | |
case "3g2": $mime = "video/3gpp2"; break; | |
case "mp4v": $mime = "video/mp4"; break; | |
case "mpg4": $mime = "video/mp4"; break; | |
case "m2v": $mime = "video/mpeg"; break; | |
case "m1v": $mime = "video/mpeg"; break; | |
case "mpe": $mime = "video/mpeg"; break; | |
case "mpeg": $mime = "video/mpeg"; break; | |
case "mpg": $mime = "video/mpeg"; break; | |
case "mov": $mime = "video/quicktime"; break; | |
case "qt": $mime = "video/quicktime"; break; | |
case "avi": $mime = "video/x-msvideo"; break; | |
case "midi": $mime = "audio/midi"; break; | |
case "mid": $mime = "audio/mid"; break; | |
case "amr": $mime = "audio/amr"; break; | |
default: $mime = "application/force-download"; | |
} | |
header('Content-Description: File Transfer'); | |
header('Content-Type: '.$mime); | |
header('Content-Disposition: attachment; filename='.basename($file)); | |
header('Content-Transfer-Encoding: binary'); | |
header('Expires: 0'); | |
header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); | |
header('Pragma: public'); | |
header('Content-Length: ' . filesize($file)); | |
ob_clean(); | |
flush(); | |
readfile($file); | |
} |
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下面是一段使用 PHP 进行服务器文件下载的函数,可以自己添加更多的文件类型。