如何设置html页头
本帖最后由 dd0607 于 2014-01-06 01:42:27 编辑
index.php
<?php<br />
include("include/conn.php");<br />
include("header.php");<br />
include("footer.php");<br />
?>
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conn.php
<?php <br />
$host='localhost'; <br />
$user_name='root'; <br />
$password='123123';<br />
$db='netbox';<br />
$conn = mysqli_connect($host,$user_name,$password,$db) or die("Connect failed: " . mysqli_connect_error());<br />
?><br />
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header.php
<br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml"><br />
<head><br />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><br />
<meta http-equiv="X-UA-Compatible" content="IE=edge" /><br />
<title>test</title><br />
<link href="/css/main.css" rel="stylesheet"><br />
</head><br />
<body><br />
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footer.php
<br />
</body><br />
</html><br />
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当index.php不加载conn.php,页面显示正常
当加载conn.php后,页面会自己添加html/head/body等html标签,同时去除了我header.php里的DOCTYPE/html/head,其他内容则统统丢进body里,这是什么原因造成的呢?
PS:加载conn.php后右击页面查看源码,是正常的,但显示是有问题的 会在页面顶部顶出一行空白,IE11和Chrome33按F12查看HTML代码就会发现已经不正常了
刚从ASP转PHP,ASP这样逻辑写法是没问题,不懂PHP问题出在哪里