[英]Change navbar in bootstrap if user login
我有一個標准菜單,其中包括“登錄”和“創建用戶”的選項。 我想要的是,當您創建用戶或登錄整個導航欄菜單進行更改時,例如說“我的用戶頁面”和“注銷”,我該怎么做?
<div id="menu">
<nav class="navbar">
<div class="container">
<ul class="nav navbar-nav">
<li class="active"><a href="#"><span class="glyphicon glyphicon-home"> </span> Home</a></li>
<li><a href="#">Descuentos</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Categories<span class="caret"/></a>
<ul class="dropdown-menu">
<li><a href="#">Cat A</a></li>
<li><a href="#" >Cat B</a></li>
<li><a href="#">Cat C</a></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="createaccount.php"><span class="glyphicon glyphicon-user"></span>Create account</a></li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a>
<ul class="dropdown-menu" role="menu">
<li>
<form class="form-horizontal" role="form" action="tienda.php" method="POST">
<div class="form-group">
<label class="control-label col-md-4" for="nombre">User:</label>
<div class="col-md-8">
<input type="text" class="form-control" name="loginUser" required>
</div>
<label class="control-label col-md-4" for="nombre">Pass:</label>
<div class="col-md-8">
<input type="password" class="form-control" name="loginPass" required> <br>
</div>
<div class="col-md-5"></div>
<button type="submit" class="btn btn-default col-md-5">Log In</button>
</div>
</form>
</li>
</ul>
</li>
</ul>
</div>
</nav>
</div>
基本上,改變
<ul class="nav navbar-nav navbar-right">
<li><a href="createaccount.php"><span class="glyphicon glyphicon-user"></span>Create account</a></li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a>
<ul class="dropdown-menu" role="menu">
<li>
<form class="form-horizontal" role="form" action="tienda.php" method="POST">
<div class="form-group">
<label class="control-label col-md-4" for="nombre">User:</label>
<div class="col-md-8">
<input type="text" class="form-control" name="loginUser" required>
</div>
<label class="control-label col-md-4" for="nombre">Pass:</label>
<div class="col-md-8">
<input type="password" class="form-control" name="loginPass" required> <br>
</div>
<div class="col-md-5"></div>
<button type="submit" class="btn btn-default col-md-5">Log In</button>
</div>
</form>
</li>
</ul>
</li>
</ul>
對此:
<ul class="nav navbar-nav navbar-right">
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="#"><span class="glyphicon glyphicon-user"></span>Nombre USUARIO</a>
<ul class="dropdown-menu" role="menu">
<li><a href="#">Mi página</a></li>
<li><a href="#"><span class="glyphicon glyphicon-shopping-cart"></span> Carrito</a></li>
</ul>
</li>
<li><a href="#"><span class="glyphicon glyphicon-log-out"></span> Logout</a></li>
</ul>
最好的方法是什么?
這是我通常的做法:
<?php if($logged_id){ include 'menu_authenticated.php'; } else{ include 'menu_unauthenticated.php'; } ?>
當然,這些文件將分別具有其菜單//menu_unauthenticated.php
<ul class="nav navbar-nav navbar-right"> <li><a href="createaccount.php"><span class="glyphicon glyphicon-user"></span>Create account</a></li> <li class="dropdown"> <a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a> <ul class="dropdown-menu" role="menu"> <li> <form class="form-horizontal" role="form" action="tienda.php" method="POST"> <div class="form-group"> <label class="control-label col-md-4" for="nombre">User:</label> <div class="col-md-8"> <input type="text" class="form-control" name="loginUser" required> </div> <label class="control-label col-md-4" for="nombre">Pass:</label> <div class="col-md-8"> <input type="password" class="form-control" name="loginPass" required> <br> </div> <div class="col-md-5"></div> <button type="submit" class="btn btn-default col-md-5">Log In</button> </div> </form> </li> </ul> </li> </ul>
//menu_authenticated.php
<ul class="nav navbar-nav navbar-right"> <li class="dropdown"> <a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="#"><span class="glyphicon glyphicon-user"></span>Nombre USUARIO</a> <ul class="dropdown-menu" role="menu"> <li><a href="#">Mi página</a></li> <li><a href="#"><span class="glyphicon glyphicon-shopping-cart"></span> Carrito</a></li> </ul> </li> <li><a href="#"><span class="glyphicon glyphicon-log-out"></span> Logout</a></li> </ul>
並不是說這是“方法”。 但這是一個選擇:)該選擇包括創建一些PHP函數。 一種輸出“已注銷”菜單,另一種輸出“已登錄”菜單。
然后,您只需擁有下面的代碼,而不必花很多精力:
<?php
if($loggedIn)
renderLoggedInMeny();
else
renderLoggedOutMeny();
?>
這些功能可能看起來像這樣:
function renderLoggedInMeny() {
echo <<<EOT
<ul class="nav navbar-nav navbar-right">
<li... [and so on]
EOT;
}
對於下面的代碼,我假設您有一個isLogged()
函數,如果用戶已登錄,則該函數返回true;否則,返回false。 這是您可以在導航欄中執行的操作:
<?php if(isLogged()): ?>
<li><a href="profile.php">Profile</a></li>
<li><a href="logout.php">Logout</a></li>
<?php else: ?>
<li><a href="login.php">Login</a></li>
<li><a href="register.php">Register</a></li>
<?php endif; ?>
當然,PHP條件之間的代碼可以更改,您可以直接放置ul
元素,而不是像我一樣僅放置li
-僅用於演示目的。
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