1，请求变量

2，助手函数

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2023/3/25
 * Time: 20:21
 */

namespace app\controller;
use think\facade\Request;
//use think\Request;

class Qingqiuvar{
    protected $Requert;
    public function __construct(Request $request){
        $this->request=$request;
    }
    public function index(){
        dump(Request::has('name','get'));
        dump(Request::param());
        //等等等
    }
}