lw_test/app/mobile/controller/Grade.php

<?php

namespace app\mobile\controller;

use app\common\model\GradeModel;
use app\mobile\MobileBaseController;

class Grade extends MobileBaseController
{
    public function login()
    {
        return view();
    }

    public function doLogin()
    {
        $param = input('post.');
        if (empty($param['no']) || empty($param['name'])) {
            ajax_return(1, '请输入考生号或姓名');
        }

        $grade = GradeModel::where('no', $param['no'])->where('name', $param['name'])->find();
        if (empty($grade)) {
            ajax_return(1, '考生号或姓名输入错误');
        }

        session('mobile.grade.no', $grade['no']);
        ajax_return();
    }

    public function index()
    {
        $no = session('mobile.grade.no');
        if (empty($no)) {
            return redirect(url('grade/login'));
        }

        $grade = GradeModel::where('no', $no)->find();
        return view('', [
            'grade' => json_encode($grade),
        ]);
    }

}