web/app/Http/Controllers/ExampleController.php

<?php

namespace App\Http\Controllers;

use Aliyun\Core\Config;
use App\Models\Department;
use App\Models\PkRoom;
use App\Models\Question;
use App\Models\User;
use App\Services\BrainstormingService;
use App\Services\AccessToken;
use App\Services\CmbcService;
use App\Services\DepartmentService;
use App\Services\OnlineLimitService;
use App\Services\PkService;
use App\Services\PushMessageService;
use App\Services\RandChinaName;
use App\Services\SmsService;
use App\Services\TopService;
use App\Services\UserService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;
use App\Services\GameTimeService;

class ExampleController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    } 

    public function baseIndex(Request $request){
        return json_encode(BrainstormingService::getInstance()->get($request->get("activity_id")));
    }     
}