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具体操作如下:
(学习视频分享:编程视频)
1、在 assets/AppAsset 里定义方法
<?php/** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace app\assets; use yii\web\AssetBundle; /** * @author Qiang Xue <qiang.xue@gmail.com> * @since 2.0 */class AppAsset extends AssetBundle{ public $basePath = '@webroot'; public $baseUrl = '@web'; // 全局 public $css = [ ]; // 全局 public $js = [ ]; public $depends = [ // 'yii\web\YiiAsset', // 'yii\bootstrap\BootstrapAsset', // 注释掉禁用bootstrap ]; // 这是设置所有js放置的位置 public $jsOptions = [ 'position' => \yii\web\View::POS_HEAD, ]; //定义按需加载JS方法 public static function addJs($view, $jsfile) { $view->registerJsFile( $jsfile, [ AppAsset::className(), "depends" => "app\assets\AppAsset" ] ); } //定义按需加载css方法 public static function addCss($view, $cssfile) { $view->registerCssFile( $cssfile, [ AppAsset::className(), "depends" => "app\assets\AppAsset" ] ); } }登录后复制
2、在view里调用
<?php /* @var $this \yii\web\View *//* @var $content string */ use yii\helpers\Html;use yii\bootstrap\Nav;use yii\bootstrap\NavBar;use yii\widgets\Breadcrumbs;use app\assets\AppAsset; // 注册全局加载AppAsset::register($this); // 按需加载cssAppAsset::addCss($this, Yii::$app->request->baseUrl."/css/site.css");// 按需加载jsAppAsset::addJs($this, Yii::$app->request->baseUrl."/js/respond.min.js"); ?><?php $this->beginPage() ?><!DOCTYPE html><html lang="<?= Yii::$app->language ?>"><head> <meta charset="<?= Yii::$app->charset ?>"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <?= Html::csrfMetaTags() ?> <title><?= Html::encode($this->title) ?></title> <?php $this->head() ?></head><body><?php $this->beginBody() ?> <?= $content ?> <?php $this->endBody() ?></body></html><?php $this->endPage() ?>登录后复制
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