将特定的类/ID 应用于菜单上的当前页面 (PHP)
Apply a specific class/id to current page on menu (PHP)(将特定的类/ID 应用于菜单上的当前页面 (PHP))
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本文介绍了将特定的类/ID 应用于菜单上的当前页面 (PHP)的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
我有一个这样的菜单:
<a href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a><a href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a><a href="http://domain.com/folder/gallery"><img style="blahblah" src="blahblahblahblah"></a><a href="http://domain.com/folder/dontknow"><img style="blahblah" src="blahblahblahblah"></a>
我想要一些可以自动将 class="current" 添加到我当前所在页面的内容.链接(如您在上面的代码中所见)类似于 domain.com/folder/biography 或 domain.com/folder/contacts，所以没有 .php/.html 等
我尝试过:
<a <?php if (strpos($_SERVER['PHP_SELF'], 'biography')) echo 'class="current"';?>href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a><a <?php if (strpos($_SERVER['PHP_SELF'], 'contacts')) echo 'class="current"';?>href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a>......
但它不起作用......带strops的解决方案似乎可行，可能我做错了......:P
解决方案
你应该:
用 !== false 检查 strpos() 的结果. 使用 $_SERVER['REQUEST_URI'] 而不是 $_SERVER['PHP_SELF']. 将代码包装在函数中. 像这样:
<div id="blahblah" style="blahblah"><a <?php get_current('biography') ?>href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a><a <?php get_current('contacts') ?>href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a>......
I have a menu like this:
<div id="blahblah" style="blahblah">
<a href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a>
<a href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a>
<a href="http://domain.com/folder/gallery"><img style="blahblah" src="blahblahblahblah"></a>
<a href="http://domain.com/folder/dontknow"><img style="blahblah" src="blahblahblahblah"></a>
</div>
I'd like to have something that automatically adds a class="current" to the page I'm currently in. Links (as you can see in the code above) are like domain.com/folder/biography or domain.com/folder/contacts, so without .php/.html, etc.
I tried with:
<div id="blahblah" style="blahblah">
<a <?php if (strpos($_SERVER['PHP_SELF'], 'biography')) echo 'class="current"';?> href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a>
<a <?php if (strpos($_SERVER['PHP_SELF'], 'contacts')) echo 'class="current"';?> href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a>
...
...
</div>
But it doesn't work... the solution with strops seems viable, probably I'm doing it wrong.. :P
解决方案
You should:
check the result of strpos() with !== false.
Use $_SERVER['REQUEST_URI'] rather than $_SERVER['PHP_SELF'].
Wrap the code inside a function.
Something like this:
<?php
function get_current($name) {
if (strpos($_SERVER['REQUEST_URI'], $name) !== false)
echo 'class="current"';
}
?>
<div id="blahblah" style="blahblah">
<a <?php get_current('biography') ?> href="http://domain.com/folder/biography"><img style="blahblah" src="blahblahblahblah"></a>
<a <?php get_current('contacts') ?> href="http://domain.com/folder/contacts"><img style="blahblah" src="blahblahblahblah"></a>
...
...
</div>
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