在复杂菜单中添加 class 个活动

add class active in a complex menu

看到很多和我一样的题,但是我不会写这个JS。 我有一个这样的菜单,我需要将 class="active" 放在用户所在页面的 <li> 标记中。此导航栏位于我包含在网站每个页面中的 php 文件中。抱歉,但经过 28 小时的编码,我很生气!

        <div class="componant-section" id="navbars">
        <nav class="navbar navbar-inverse" role="navigation">
            <div class="container-fluid">
                <div class="navbar-header">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse-2"><span class="fa fa-bars"></span></button>
                <img class="logo" src="http://<?php echo $base_url ?>/images/logos.png" alt="" width="127">
                </div>

                <div class="collapse navbar-collapse" id="navbar-collapse-2">
                    <ul class="nav navbar-nav">
                        <li><a href="http://<?php echo $base_url ?>/home.php">Home</a></li>
                        <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown">Clienti <span class="fa-chevron-down fa"></span></a>
                        <ul class="dropdown-menu">
                            <div class="arrow top"></div>
                            <li><a href="http://<?php echo $base_url ?>/function/agg_cliente.php">Aggiungi nuovo...</a></li>
                            <li><a href="http://<?php echo $base_url ?>/lista_clienti.php">Lista</a></li>
                        </ul>
                        </li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Fornitori <span class="fa-chevron-down fa"></span></a>
                            <ul class="dropdown-menu">
                                <div class="arrow top"></div>
                                <li><a href="http://<?php echo $base_url ?>/function/agg_fornitore.php">Aggiungi nuovo...</a></li>
                                <li><a href="http://<?php echo $base_url ?>/lista_fornitori.php">Lista</a></li>
                            </ul>
                        </li>
                        <li><a href="http://<?php echo $base_url ?>/fatture.php">Fatture</a></li>
                        <li><a href="http://<?php echo $base_url ?>/ddt.php">DDT</a></li>
                        <li><a href="http://<?php echo $base_url ?>/preventivi.php">Preventivi</a></li>
                        <li><a href="http://<?php echo $base_url ?>/ndc.php">NDC</a></li>
                        <li><a href="http://<?php echo $base_url ?>/listini.php">Listini</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Controllo <span class="fa-chevron-down fa"></span></a>
                            <ul class="dropdown-menu">
                                <div class="arrow top"></div>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_login.php">Login</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_causale.php">Causale</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_mezzo.php">Mezzo Trasporto</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_iva.php">IVA</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_imb.php">Imballo</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_art.php">Articoli</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_spagg.php">Spese Aggiuntive</a></li>
                                <li><a href="http://<?php echo $base_url ?>/check/ck_pagam.php">Pagamento</a></li>
                            </ul>
                        </li>
                    </ul>
                    <ul class="nav navbar-nav navbar-right navbar-icons">
                        <li><a><span class="fa-user fa"></span>
                            <span class="hidden-lg"><?php echo $user; ?></span></a></li>
                        <li><a href="http://<?php echo $base_url ?>/function/logout.php">
                            <span class="fa-cog fa"></span>
                            <span class="hidden-lg">Logout</span>
                            <span class="navbar-new"></span></a></li>
                    </ul>
                </div><!-- /.navbar-collapse -->
            </div><!-- /.container-fluid -->
        </nav>
    </div>

可以通过全局服务器请求URI变量$_SERVER['REQUEST_URI'].

访问PHP中大部分时间访问成功的路径

简单地说,您需要将 $_SERVER['REQUEST_URI'] 的值与导航中链接的目标进行比较,如果匹配则应用 class。例如:

<li><a href="/ddt.php" <?php echo $_SERVER['REQUEST_URI'] === '/ddt.php' ? 'class="active"' : '' ?>>DDT</a></li>

作为旁注,您无需使用 PHP 为 HTML 中的 href 生成绝对链接 - 只需使用相对路径,例如/listini.php 而不是 http://<?php echo $base_url ?>/listini.php.

如果您考虑使用模板语言(例如 Twig),您的生活会轻松得多,它将指示页面应如何显示的逻辑与实际布局代码分开。

您可以使用像这个 Javascript 解决方案一样简单的方法。

window.onload=function(){
var Nav=document.getElementById(window.location.href.split('/').pop().split('.')[0]);
if(Nav){
Nav.setAttribute('class','active');
}}

它是如何工作的?

您希望添加 class 的元素必须具有与页面名称匹配的 ID

示例

发件人:<a href="http://<?php echo $base_url ?>/fatture.php">Fatture</a>

收件人:<a id="fatture" href="http://<?php echo $base_url ?>/fatture.php">Fatture</a>

上面的 javascript 将通过从 / 中创建一个数组来拆分客户端位置 www.something.com/fatture.phpfatture。文件名在数组的最后,因此 pop() 用于 select 数组中的最后一项,留下 fatture.php 字符串在 . 处再次拆分创建一个新数组,然后在 ID select 或 "fatture" 中使用该数组中的第一项。 document.getElementById('fatture')

URL Breakdown

1) window.location.href = www.something.com/fatture.php

2) .split('/') =>

  • 数组[0] = www.something.com
  • 数组[1] = fatture.php

3) .pop() = .split('/') 的最后 array/array[1] - fatture.php

4) .split('.')[0] = fatture

如对上述源码有任何疑问,请在下方留言,我会尽快回复。

希望对您有所帮助。编码愉快!

我解决了

<div class="componant-section" id="navbars">
        <nav class="navbar navbar-inverse" role="navigation">
            <div class="container">
                <div class="navbar-header">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse-2"><span class="fa fa-bars"></span></button>
                <img class="logo" src="http://<?php echo $base_url ?>/images/logos.png" alt="" width="127">
                </div>

                <div class="collapse navbar-collapse" id="navbar-collapse-2">
                    <ul class="nav navbar-nav">
                        <li id="home"><a href="http://<?php echo $base_url ?>/home.php">Home</a></li>
                        <li class="agg_cliente lista_clienti dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown">Clienti <span class="fa-chevron-down fa"></span></a>
                        <ul class="dropdown-menu">
                            <div class="arrow top"></div>
                            <li id="agg_cliente"><a href="http://<?php echo $base_url ?>/function/agg_cliente.php">Aggiungi nuovo...</a></li>
                            <li id="lista_clienti"><a href="http://<?php echo $base_url ?>/lista_clienti.php">Lista</a></li>
                        </ul>
                        </li>
                        <li class="agg_fornitore lista_fornitori dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Fornitori <span class="fa-chevron-down fa"></span></a>
                            <ul class="dropdown-menu">
                                <div class="arrow top"></div>
                                <li id="agg_fornitore"><a href="http://<?php echo $base_url ?>/function/agg_fornitore.php">Aggiungi nuovo...</a></li>
                                <li id="lista_fornitori"><a href="http://<?php echo $base_url ?>/lista_fornitori.php">Lista</a></li>
                            </ul>
                        </li>
                        <li id="fatture"><a href="http://<?php echo $base_url ?>/fatture.php">Fatture</a></li>
                        <li id="ddt"><a href="http://<?php echo $base_url ?>/ddt.php">DDT</a></li>
                        <li id="preventivi"><a href="http://<?php echo $base_url ?>/preventivi.php">Preventivi</a></li>
                        <li id="ndc"><a href="http://<?php echo $base_url ?>/ndc.php">NDC</a></li>
                        <li id="listini"><a href="http://<?php echo $base_url ?>/listini.php">Listini</a></li>
                        <li class="ck_login ck_causale ck_mezzo ck_iva ck_imb ck_art ck_spagg ck_pagam dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Controllo <span class="fa-chevron-down fa"></span></a>
                            <ul class="dropdown-menu">
                                <div class="arrow top"></div>
                                <li id="ck_login"><a href="http://<?php echo $base_url ?>/check/ck_login.php">Login</a></li>
                                <li id="ck_causale"><a href="http://<?php echo $base_url ?>/check/ck_causale.php">Causale</a></li>
                                <li id="ck_mezzo"><a href="http://<?php echo $base_url ?>/check/ck_mezzo.php">Mezzo Trasporto</a></li>
                                <li id="ck_iva"><a href="http://<?php echo $base_url ?>/check/ck_iva.php">IVA</a></li>
                                <li id="ck_imb"><a href="http://<?php echo $base_url ?>/check/ck_imb.php">Imballo</a></li>
                                <li id="ck_art"><a href="http://<?php echo $base_url ?>/check/ck_art.php">Articoli</a></li>
                                <li id="ck_spagg"><a href="http://<?php echo $base_url ?>/check/ck_spagg.php">Spese Aggiuntive</a></li>
                                <li id="ck_pagam"><a href="http://<?php echo $base_url ?>/check/ck_pagam.php">Pagamento</a></li>
                            </ul>
                        </li>
                    </ul>
                    <ul class="nav navbar-nav navbar-right navbar-icons">
                        <li><a><span class="fa-user fa"></span>
                            <span class="hidden-lg"><?php echo $user; ?></span></a></li>
                        <li><a href="http://<?php echo $base_url ?>/function/logout.php">
                            <span class="fa-cog fa"></span>
                            <span class="hidden-lg">Logout</span>
                            <span class="navbar-new"></span></a></li>
                    </ul>
                </div><!-- /.navbar-collapse -->
            </div><!-- /.container-fluid -->
        </nav>
    </div>

和javascript

window.onload=function(){
var Navid = document.getElementById(window.location.href.split('/').pop().split('.')[0]);

if(Navid){
    Navid.setAttribute('class','active');
    var father = Navid.parentNode,
        grandFather = father.parentNode;
    grandFather.setAttribute('class','active');
}

}