下拉菜单无法使用 codeigniter 控制器

Question

我的下拉菜单和我的控制器有一个小问题，我的控制器上有下拉内容的变量，但它不显示在网页上，只有这 3 个不起作用 {$DEN}，{$DPT } 和 {$DES}

这是 HMTL

<div class="top-nav">
    <nav class="navbar navbar-default">
        <div class="container">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">Menu                       
            </button>
            <!-- Collect the nav links, forms, and other content for toggling -->
            
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav">
                    <img src="{$favlogo}" alt="" width="8%" height="auto">
                    <li class="hvr-bounce-to-bottom active">{$homebar}</li>
                    <li class="hvr-bounce-to-bottom">{$aboutUs}</li>
                    <li class="hvr-bounce-to-bottom">{$servicos}</li>
                    <li class="hvr-bounce-to-bottom">{$galeria}</li>
                    <li class="hvr-bounce-to-bottom">{$equipa}</li>
                    <li class="hvr-bounce-to-bottom">{$contactUs}</li>
                    <li class="hvr-bounce-to-bottom">{$user}</li>
                    <li class="hvr-bounce-to-bottom">{$login}</li>
                    <li class="hvr-bounce-to-bottom">{$logout}</li>
                    <li class="hvr-bounce-to-bottom">{$email}</li>
                    <li class="hvr-bounce-to-bottom">{$contacto}</li>
                    <li class="dropdown">
                        <a href="javascript:void(0)" class="dropbtn">Idioma</a>
                        <div class="dropdown-content">
                            {$DEN}
                            {$DPT}
                            {$DES}
                        </div>
                    </li>
                </ul>   
                <div class="clearfix"> </div>
            </div>  
        </div>
    </nav>      
</div>

这是这部分的控制器代码

        $data['DPT'] = '<a href="'.base_url('index.php/cart/indexPT').'">Português</a>'; 
        $data['DEN'] = '<a href="'.base_url('index.php/cart/indexEN').'">English</a>'; 
        $data['DES'] = '<a href="'.base_url('index.php/cart/indexES').'">Español</a>'; 

                    //------------------ FOOTER              ----------------------
        $data['footercontactUS'] = '<a href="'.base_url('index.php/cart/contactUS').'">Contacte-nos</a>';
        $data['footeraboutUS'] = '<a href="'.base_url('index.php/cart/aboutUS').'">Sobre Nós</a>';
        return $data;

Answer 1

更简单的方法是使用 href 的完整地址。

在您看来

<a href="https://www.example.com/index.php/cart/indexPT">Português</a>

下拉菜单无法使用 codeigniter 控制器

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