index.html
<html>
<body>
haha,<a href=index.php>go</a>
</body>
</html>
index.php
<?php
header("Cache-Control:max-age=86400,must-revalidate");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
header( 'Expires:' .gmdate("D, d M Y H:i:s",time()+86400).'GMT');
header("Cache-Control:no-cache,must-revalidate");
header("Pragma:no-cache");
echo "我不刷新!<br>";
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<?php
echo time();
?>
<br>
hello the world!
</body>
</html>
