<?php
/* $url = "http://www.wjhweb.com";
$url = "www.qjnu.edu.cn";
必须以字母或下划线开头，数字，字线，下划线
区分大小写
$wangjinhua= "wangjinhua.com";
$Wangjinhua= "王者风范";
$webName = "houdunwang.com";
$userNmae = "后盾网";
$username = "后盾网";
$webName = 11111;
$后盾网 = "http://www.houdunwang.com";
echo $后盾网;
$webname = "houdunwang";
$webname = "后盾网";
echo $webname."_____".$houdunwang;
*/
//$_GET[] $_POST[] $_REQUEST[]
echo $_POST['uname'];
?>
<a href="2.php?webname=houdunwang&uname=后盾网">点击提交站点</a>
<form action="" method="post">
<input type="text" name="uname">
<input type="submit" value="提交表单">
</form>