PHP 文件上载
// $file = "/folder/filename.ext";
function force_download($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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