我正试图在我的标题中添加下拉列表。下拉标签即将到来。但是,dropdwon值不会到来。可能是什么问题?
<?php
/* @var $this \yii\web\View */
/* @var $content string */
use yii\helpers\Html;
use yii\bootstrap\Nav;
use yii\bootstrap\NavBar;
use yii\bootstrap\Dropdown;
use yii\widgets\Breadcrumbs;
use app\assets\AppAsset;
AppAsset::register($this);
?>
<div class="wrap">
<?php
NavBar::begin([
'brandLabel' => 'My Company',
'brandUrl' => Yii::$app->homeUrl,
'options' => [
'class' => 'navbar-inverse navbar-fixed-top',
],
]);?>
<?
echo Nav::widget([
'options' => ['class' => 'navbar-nav navbar-right'],
'items' => [
['label' => 'Danish Enam', 'url' => ['/site/register']],
['label' => 'Dropdown', 'url' => ['#'],
['label' => 'DropdownA', 'url' => '/'],
['label' => 'DropdownB', 'url' => '#'],
],
],
]);
NavBar::end();
?>
这是截图。 你们都可以清楚地看到。下拉进入标题。 “我的公司”文本的权利。但是,没有任何价值观。不可点击。
任何想法?
答案 0 :(得分:3)
您应该只使用其他Nav
窗口小部件而不是Dropdown
:
NavBar::begin([
'brandLabel' => 'My Company',
'brandUrl' => Yii::$app->homeUrl,
'options' => [
'class' => 'navbar-inverse navbar-fixed-top',
],
]);
echo Nav::widget([
'options' => [
'class' => 'navbar-nav navbar-left',
],
'items' => [
[
'label' => 'Dropdown',
'url' => '#',
'items' => [
['label' => 'DropdownA', 'url' => '/'],
['label' => 'DropdownB', 'url' => '#'],
],
],
],
]);
答案 1 :(得分:1)
请尝试以下代码:
echo '<ul id="navbar-id" class="navbar-nav navbar-right nav">';
echo '<li class="dropdown">';
echo '<a href="#" data-toggle="dropdown" class="dropdown-toggle">Label <b class="caret"></b></a>';
echo Dropdown::widget([
'items' => [
['label' => 'DropdownA', 'url' => '/'],
['label' => 'DropdownB', 'url' => '#'],
],
]);
echo '</li>';
echo '</ul>';
答案 2 :(得分:0)
<?php
/* @var $this \yii\web\View */
/* @var $content string */
use yii\helpers\Html;
use yii\bootstrap\Nav;
use yii\bootstrap\NavBar;
use yii\widgets\Breadcrumbs;
use app\assets\AppAsset;
AppAsset::register($this);
?>
<?php $this->beginPage() ?>
<!DOCTYPE html>
<html lang="<?= Yii::$app->language ?>">
<head>
<meta charset="<?= Yii::$app->charset ?>">
<meta name="viewport" content="width=device-width, initial-scale=1">
<?= Html::csrfMetaTags() ?>
<title><?= Html::encode($this->title) ?></title>
<?php $this->head() ?>
</head>
<body>
<?php $this->beginBody() ?>
<div class="wrap">
<?php
NavBar::begin([
'brandLabel' => 'My Company',
'brandUrl' => Yii::$app->homeUrl,
'options' => [
'class' => 'navbar-inverse navbar-fixed-top',
],
]);
echo Nav::widget([
'items' => [
[
'label' => 'Home',
'url' => ['site/index'],
'linkOptions' => ['data-method' => 'post'],
],
[
'label' => 'Dropdown',
'items' => [
['label' => 'Level 1 - Dropdown A', 'url' => '#'],
'<li class="divider"></li>',
['label' => 'Level 1 - Dropdown B', 'url' => '#'],
],
],
[
'label' => 'Login',
'url' => ['site/login'],
'visible' => Yii::$app->user->isGuest
],
],
'options' => ['class' =>'nav-pills'], // set this to nav-tab to get tab-styled navigation
]);
NavBar::end();
?>
<div class="container">
<?= Breadcrumbs::widget([
'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],
]) ?>
<?= $content ?>
</div>
</div>
<footer class="footer">
<div class="container">
<p class="pull-left">© My Company <?= date('Y') ?></p>
<p class="pull-right"><?= Yii::powered() ?></p>
</div>
</footer>
<?php $this->endBody() ?>
</body>
</html>
<?php $this->endPage() ?>
这是一个完整的布局代码。尝试这种布局的任何视图肯定会起作用。首先命名这个文件header.php(任何名称都没问题)然后选择你希望这个布局带有下拉列表的视图文件。
答案 3 :(得分:0)
代码中的小错误:
NavBar::begin([
'brandLabel' => 'My Company',
'brandUrl' => Yii::$app->homeUrl,
'options' => [
'class' => 'navbar-inverse navbar-fixed-top',
],
]);
echo Nav::widget([
'options' => ['class' => 'navbar-nav navbar-right'],
'items' => [
['label' => 'Danish Enam', 'url' => ['/site/register']],
['label' => 'Dropdown',
'items' => [
['label' => 'DropdownA', 'url' => '/'],
['label' => 'DropdownB', 'url' => '#'],
],
],
],
]);
NavBar::end();
然后是坏的新的,有一个限制与bootstrap,你只能有2个级别的下拉列表而不是3。
如果您想了解更多信息,请查看: