这个PHP代码的问题 [英] Problems with this php code

问题描述

您好，这是我使用php下载文件的代码，但是，当我下载文件(例如Excel 2007文件)时，excel不会打开它.问题出在哪里

Hello , this is my code to download files with php , but , when I download a file (for example Excel 2007 file) excel doesn''t open it. Where is the problem

$document = urldecode($_GET['download']);
	$extension = end(explode('.',$document));
	$mimetype = '';
	
	switch($extension){
		case 'zip':
		$mimetype='application/zip';
		break;
		case 'rar':
		$mimetype='application/x-rar-compressed';
		break;
		case 'xls':
		$mimetype='application/vnd.ms-excel';
		break;
		case 'xlsx':
		$mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
		break;
		case 'doc':
		$mimetype='msword';
		break;
		case 'docx':
		$mimetype='application/vnd.openxmlformats-officedocument.wordprocessingml.document';
		break;
		case 'ppt':
		$mimetype='application/vnd.ms-powerpoint';
		break;
		case 'pptx':
		$mimetype='application/vnd.openxmlformats-officedocument.presentationml.presentation';
		break;
	}
	header('Content-type:' . $mimetype);
	header("Content-Disposition:attachment;filename:download.". $extension);

  	readfile($document);

推荐答案

document = urldecode(

document = urldecode(

_GET [' 下载'])；

_GET['download']);

扩展名 = end(explode(' .'，

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