我用php脚本开始下载，它非常简单，看起来像这样：
$dir = 'downloads/';
$type = 'application/x-rar-compressed, application/octet-stream, application/zip';
function makeDownload($file, $dir, $type)
{
header("Content-Type: $type");
header("Content-Disposition: attachment; filename='"$file'"");
readfile($dir.$file);
}
if(!empty($_GET['file']) && !preg_match('=/=', $_GET['file'])) {
if(file_exists ($dir.$_GET['file'])) {
makeDownload($_GET['file'], $dir, $type);
}
}
它在win7+ff/opera/chrome/safari上运行良好，但在MAC上，它尝试下载file.rar.html或file.zip，而不是file.rar/file.zip。
有什么想法吗？
提前感谢
"application/x-rar-compressed，application/octet stream，application/zip"不是有效的文件类型。您需要在脚本中添加逻辑来检测文件类型，然后提供特定的文件类型。示例（未经测试）：
<?php
$dir = 'downloads/';
function makeDownload($file, $dir)
{
switch(strtolower(end(explode(".", $file)))) {
case "zip": $type = "application/zip"; break;
case "rar": $type = "application/x-rar-compressed"; break;
default: $type = "application/octet-stream";
}
header("Content-Type: $type");
header("Content-Disposition: attachment; filename='"$file'"");
readfile($dir.$file);
exit; // you should exit here to prevent the file from becoming corrupted if anything else gets echo'd after this function was called.
}
if(!empty($_GET['file']) && !preg_match('=/=', $_GET['file'])) {
if(file_exists ($dir.$_GET['file'])) {
makeDownload($_GET['file'], $dir);
}
}
?>