php原生怎么下载？
1.整个网页的html界面源码下载:
xiazai.php
<html>
<head>
<meta charset ="utf-8">
<title></title>
</head>
<body>
<form method="post" action="xiazai.php">
<input type="submit" name="xz" id="xz" value="下载" />
</form>
</body>
</html>
<?php
//文件下载
//readfile
$filename ="xiazia.php";
if(!empty($_POST["xz"])){
$fileinfo = pathinfo($filename);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
header('Content-Length: '.filesize($filename));
readfile($thefile);
exit();
}
?>显示结果为:点击下载按钮，下载整个页面:
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