PHP LoginAction::isSignUpOpen示例

      <form class="form-horizontal" role="form" method="POST" action="login.php">
	<div class="form-group">
	  <label for="username" class="col-sm-2 control-label">Username</label>
	  <div class="col-sm-10">
	    <input type="text" name="username" id="username" class="form-control" placeholder="Username"/>
	  </div>
	</div>
	<div class="form-group">
	  <label for="password" class="col-sm-2 control-label">Password</label>
	  <div class="col-sm-10">
	    <input type="password" name="password" id="password" class="form-control" placeholder="Password"/>
	  </div>
	</div>
	<div class="form-group">
	  <div class="col-sm-offset-2 col-sm-10">
	    <button type="submit" class="btn btn-default">Log in</button>
	  </div>
	</div>
      </form>
      <?php 
if ($action->isSignUpOpen()) {
    ?>
		  <a href="signup.php">Don't have an account, create one !</a>
		  <?php 
}
?>
      
    </div>

<?php 
require_once "footer.php";