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PS:這段代碼在win系統下跑沒有問題,楓哥親測可用.如果用的是linux或是其他系統,要要諸位自行測試下啦.

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									$filename = "./".$_REQUEST['name']; //這里是楓哥具體路徑,只要$filename是所要下載文件的完整路徑就可以.

									if (!is_file($filename)) {//檢測文件是否存在.

									 die('下載的文件好像跟TM誰私奔啦!');

									}

									$filepath = str_replace('\\', '/', realpath($filename));

									$filesize = filesize($filepath);

									$filename = substr(strrchr('/'.$filepath, '/'), 1);

									$extension = strtolower(substr(strrchr($filepath, '.'), 1));

									       // use this unless you want to find the mime type based on extension,文件后綴格式,不解釋.

									$mime = array('application/octet-stream');

									header('Content-Type: '.$mime);

									header('Content-Disposition: attachment; filename="'.$filename.'"');

									header('Content-Transfer-Encoding: binary');

									header('Content-Length: '.sprintf('%d', $filesize));

									header('Expires: 0');

									// check for IE only headers,坑爹的IE檢測,你懂的.

									if (isset($_SERVER['HTTP_USER_AGENT']) &&((strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false)))

									{

									 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');

									 header('Pragma: public');

									}

									else

									{

									 header('Pragma: no-cache');

									}

									$handle = fopen($filepath, 'rb');

									fpassthru($handle);

									fclose($handle);