php文件重命名下载代码示例
php文件重命名下载代码示例Bata1.0、基础代码（file_exists仅支持本地，还有下载时文件名乱码问题）
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Bata2.0、解决中文名显示乱码问题（但还是仅支持服务器本地）
[*]//$down_url=$server_name.$renamefile_url.'/'.$renamefile_name; //file_exists仅支持本地
[*]$down_url=$renamefile_url.'/'.$renamefile_name;
[*]//$sourcefile_name = iconv("UTF-8",'GBK',$sourcefile_name);
[*]$sourcefile_name = urlencode($sourcefile_name);
[*]$sourcefile_name = str_replace("+", "%20", $sourcefile_name);
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[*]if(file_exists($down_url)){
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[*] $ua = $_SERVER["HTTP_USER_AGENT"];
[*] header('Content-Description: File Transfer');
[*] header('Content-Type: application/octet-stream');
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[*] //header('Content-Disposition: attachment; filename='.basename($sourcefile_name));
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[*] if (preg_match("/MSIE/", $ua)) {
[*] header('Content-Disposition: attachment; filename="' . $sourcefile_name . '"');
[*] } else if (preg_match("/Firefox/", $ua)) {
[*] header('Content-Disposition: attachment; filename*="utf8\'\'' . $sourcefile_name . '"');
[*] } else {
[*] header('Content-Disposition: attachment; filename="' . $sourcefile_name . '"');
[*] }
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[*] header('Content-Transfer-Encoding: binary');
[*] header('Expires: 0');
[*] header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
[*] header('Pragma: public');
[*] header('Content-Length: ' . filesize($down_url));
[*] ob_clean();
[*] flush();
[*] readfile($down_url);
[*] exit;
[*]}
[*]else{
[*] echo '文件目录不存在';
[*]}
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