PHP实现简单的文件下载通用方法
时间:2021-07-01 10:21:17
帮助过:18人阅读
- function download_file($file){
- if(is_file($file)){
- $length = filesize($file);
- $type = mime_content_type($file);
- $showname = ltrim(strrchr($file,'/'),'/');
- header("Content-Description: File Transfer");
- header('Content-type: ' . $type);
- header('Content-Length:' . $length);
- if (preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT'])) { //for IE
- header('Content-Disposition: attachment; filename="' . rawurlencode($showname) . '"');
- } else {
- header('Content-Disposition: attachment; filename="' . $showname . '"');
- }
- readfile($file);
- exit;
- } else {
- exit('文件已被删除!');
- }
- }
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PHP