未定义索引数组 username

Question

  public function check(){
        if(request()->isPost()){
        $data=input('post.');
        if(!captcha_check($data['verify'])){
            $this->error('验证码不正确!');
         }
         //判定 username password
            //validata机制
  $user =model('AdminUser')->get(['username'=>$data['username']]);
        halt($user);
        }else{
            $this->error('请求不合法!');
        }
  }

Answer 1

打印$data看下

Answer 2

你validate没写东西记得校验