[英]Drop down menu does not work on username
我已經建立了一個登錄系統,我正在嘗試為設置的用戶名添加一個下拉列表。 但是,我可以看起來它有一個下拉列表,但沒有菜單出現。
<?php else:?>
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">A09hopper.xyz</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#">Page 1 <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Page 1-1</a></li>
<li><a href="#">Page 1-2</a></li>
<li><a href="#">Page 1-3</a></li>
</ul>
</li>
<li><a href="#">Page 2</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<?php if(!empty($_SESSION['username'])):?>
<li class="dropdown">
<li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#"><span class="glyphicon glyphicon-user"> </span><?php echo $_SESSION['username'];?><span class="caret"></span></a></li>
<ul class="dropdown-menu">
<li><a href="#">1-1</a></li>
<li><a href="#">1-2</a></li>
</ul>
</li>
<?php else:?>
<li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<?php endif;?>
</ul>
</div>
</nav>
<?php endif; ?>
我已經嘗試了我能想到的一切,但無濟於事。
我剛剛解決了我的問題。 下面的代碼是修復。
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">A09hopper.xyz</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#">Page 1 <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Page 1-1</a></li>
<li><a href="#">Page 1-2</a></li>
<li><a href="#">Page 1-3</a></li>
</ul>
</li>
<li><a href="#">Page 2</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<?php if(!empty($_SESSION['username'])):?>
<li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#"><span class="glyphicon glyphicon-user"> </span><?php echo $_SESSION['username'];?> <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Page 1-1</a></li>
<li><a href="#">Page 1-2</a></li>
<li><a href="#">Page 1-3</a></li>
</ul>
</li>
<?php else:?>
<li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<?php endif;?>
</ul>
</div>
</nav>
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