php 框架Laravel 查询构造器DB类在调用时是否要添加引用？

Question

$users = DB::table('accounts')->get();foreach ($users as $user){// var_dump($user->name);if($user->title=345){return Redirect::to('home');//重定向}}出现找不到DB

Answer 1

use Illuminate\Support\Facades\DB;
use Illuminate\Database\Eloquent\Model;
控制器文件头加上这两句。