hebei-chengben-car/assets/BootstrapAsset.php

<?php

namespace app\assets;
use yii\web\AssetBundle;
class BootstrapAsset extends AssetBundle
{
    //资源文件的源文件位置
    public $sourcePath = '@app/static/core';
    //当前事例引入的文件
    public $css = [
        'css/bootstrap.min.css',
    ];
    public $js = [
        'libs/bootstrap/js/bootstrap.bundle.min.js',
    ];
    public $jsOptions = ['position' => \yii\web\View::POS_HEAD];
    //没有依赖
    public $depends = [];

    static function getInitCls()
    {
        static $initCls = NULL;
        if(!isset($initCls)) $initCls = new BootstrapAsset();
        return $initCls;
    }




}