?php

namespace App\Http\Controllers\Admin; //注意命名空间



use App\Http\Controllers\Controller;

use app\privilegeModel;



function index(){
  $model=new \App\PrivilegeModel(); //实例化model
  $data = $model -> getlist(); //调用model层中方法
}

?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use DB;

class privilegeModel extends Model
{
  /**
   * 查询友情链接
   */
  public function getlist()
  {
    return DB::table('tablename')->get();
  }
}