exit是停止服务器端再向客户端发送脚本。所以EXIT之后的代码就都不会执行了。
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<?php
session_start();
include ('../config.inc.php');
include ('../count.php');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title><?php echo $cfg['title'];?></title>
<link rel="stylesheet" type="text/css" href="../css/css.css" media="screen" /></head>
<body>
<div class="pageHolder">
<div id="main-page">
<div id="header">
<div class="info">
<h4><?php echo $cfg['sitename'];?></h4>
</div>
<div class="leftHeader">
<div class="menu">
<ul>
<li><a href="../index.php">首页</a></li>
<li><a href="../article.php">文章</a></li>
<li><a href="../message.php">留言</a></li>
<li><a href="../about.php">关于</a></li>
</ul>
</div>
<div class="mouse"></div>
</div>
</div>
<div id="mid">
<div class="middle">
<div class="leftSide">
<h2><span class="toph1">用户注册</span><span class="bottom"> </span></h2>
<div class="date"> </div>
<div class="article">
<p><center>
<?php
require('../common.php');
if ($_GET['action']=='save') {
// 清除空格
$_POST['username'] = trim($_POST['username']);
$_POST['passwd'] = trim($_POST['passwd']);
$_POST['passwd2'] = trim($_POST['passwd2']);
$_POST['email'] = trim($_POST['email']);
// 判断表单是否全部填写
if (!$_POST['username'] || !$_POST['passwd'] || !$_POST['passwd2'] || !$_POST['email']) {
die( ' 所有项目都需要填写!<a href="reg.php">返回</a>');
}
if (!get_magic_quotes_gpc()) {// 如果魔术引号关闭使用addslashes转换
$_POST['username'] = addslashes($_POST['username']);
$_POST['email'] = addslashes($_POST['email']);
}
// 判断用户名是否超出长度
if (strlen($_POST['username'])>16) {
die( '用户名超出长度!<a href="reg.php">返回</a><br>');
}
// 判断再次密码是否相同
if ($_POST['passwd']!=$_POST['passwd2']) {
die( '两次密码不同!<a href="reg.php">返回</a><br>');
}
//验证email格式
function checkEmail($email){
if(eregi('^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*$',$email) ){
return true;
}
else{
return false;
}
}
if (strlen($_POST['email'])>100 || checkEmail($_POST['email']) == FALSE) {
die( '输入的Email不正确!<a href="reg.php">返回</a><br>');
}
// 判断用户名是否存在
$q = mysql_query('select id from user where username=\''.$_POST['username'].'\'');
$rs = mysql_fetch_array($q);
if ($rs['id']) {
die( '用户名被占用! <a href="reg.php">返回</a><br>');
}
// insert SQL语句
$ip1=getenv('REMOTE_ADDR');
echo $ip1;
$ip=$ip1;
$sql = "insert into user (username,passwd,email,insert_time,ip)
values ('".$_POST['username']."','".md5($_POST['passwd'])."','".$_POST['email']."',now(),'".$ip."')";
mysql_query($sql,$link);// 执行SQL查询
echo '注册成功! <a href="login.php">登录</a>';
}
?>
<table width="300" border="0" cellspacing="0" cellpadding="0" class="tb">
<tr>
<td><form id="form1" name="form1" method="post" action="reg.php?action=save">
<table width="300" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="30%" align="right">用户名:</td>
<td width="70%" align="left"><input type="text" name="username" /></td>
</tr>
<tr>
<td width="30%" align="right">密码:</td>
<td width="70%" align="left"><input type="password" name="passwd"> </td>
</tr>
<tr>
<td width="30%" align="right">重复密码:</td>
<td width="70%" align="left"><input type="password" name="passwd2"> </td>
</tr>
<tr>
<td width="30%" align="right">Email:</td>
<td width="70%" align="left"><input type="text" name="email" /> </td>
</tr>
<tr>
<td width="30%" align="right"></td>
<td width="70%" align="left"><input type="submit" name="submit" value="提 交" /></td>
</tr>
</table>
</form></td>
</tr>
</table>
</center></p>
</div>
<div class="reset"> </div>
</div>
<div class="rightSide">
<div class="rightBox">
<div class="top">
<h3>用户信息</h3>
</div>
<div class="middle">
<ul class="comments">
<?php
if(!$_SESSION['user_id']){
echo "<li><strong><a href='../user/reg.php'>注册</a></strong></li>
<li><strong><a href='../user/login.php'>登录</a></strong></li>";
}
else{
if($_SESSION['po_id'] != 1){
echo "<li><strong>" .$_SESSION['username'] . "</strong></li>";
echo "<li><strong>普通会员</strong></li>";
echo "<li><strong><a href='../user/logout.php'>退出登录</a></strong></li>";
}
else{
echo "<li><strong>" .$_SESSION['username'] . "</strong></li>";
echo "<li><strong>管理员</strong></li>";
echo "<li><strong><a href='../admin/login.php'>登陆后台</strong></a></li>";
echo "<li><strong><a href='../user/logout.php'>退出登录</strong></a></li>";
}
}
?>
</ul>
</div>
<div class="bottom"> </div>
</div>
<div class="rightBox">
<div class="top">
<h3>文章分类</h3>
</div>
<div class="middle">
<ul class="comments">
<li><strong><a href="article/log.php">心情驿站</a></strong></li>
<li><strong><a href="article/sto.php">休闲娱乐</a></strong></li>
<li><strong><a href="article/art.php">精品收藏</a></strong></li>
</ul>
</div>
<div class="bottom"> </div>
</div>
<div class="rightBox">
<div class="top">
<h3>友情链接</h3>
</div>
<div class="middle">
<ul class="comments">
<?php
$result = mysql_query("SELECT * FROM link order by id desc");//查询数据
while ($row = mysql_fetch_array($result, MYSQL_BOTH)) {// 取一条数据
?>
<li><strong>
<a href="<?php echo $row['url']?>"><?php echo $row['web_name']?></a>
</strong></li>
<?php
}
?>
</ul>
</div>
<div class="bottom"> </div>
</div>
<div class="rightBox">
<div class="top">
<h3>站内统计</h3>
</div>
<div class="middle">
<ul class="comments">
<li><strong>会员:<?php echo $user_count; ?></strong></li>
<li><strong>在线:<?php echo $online_count;?></strong></li>
<li><strong>文章:<?php echo $article_count;?></strong></li>
<li><strong>留言:<?php echo $message_count;?></strong></li>
<li><strong>访问:<?php echo $visit_count;?></strong></li>
</ul>
</div>
<div class="bottom"> </div>
</div>
</div>
<div class="reset"></div>
</div>
</div>
<div id="footer">
<div class="copy"><a href="#" class="feed">RSS</a> © Copyright (c) </div>
</div>
</div>
</div>
</body>
</html>这代码该怎么修改?