wkshi/app/Http/Controllers/UserController.php

<?php

namespace App\Http\Controllers;

use App\Grade;
use App\School;
use App\Sclass;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Overtrue\EasySms\Exceptions\NoGatewayAvailableException;

class UserController extends Controller
{
    public function bangMobile()
    {
        $user = Auth::guard('wechat')->user();
        $schools = School::pluck('name', 'id');
        $classes = $grades = [];

        if ($user->school_id) {
            $classes = Sclass::where('school_id', $user->school_id)->pluck('name', 'id');
        }

        $grades = Grade::pluck('name', 'id');

        return view('user.bangMobile', compact('user', 'schools', 'classes', 'grades'));
    }

    public function update(Request $request, User $user)
    {
        $code = $request->get('code');
        $uid = Auth::guard('wechat')->user()->id;


        if ((string)$code !== (string)cache()->get('code_' . $uid, false)) {
            return response()->json(['status' => 0, 'msg' => '验证码错误']);
        }
        $user = $user->where('id', $uid)->first();
        $user->fill([
            'mobile' => $request->get('mobile'),
            'name' => $request->get('name'),
            'school_id' => $request->get('school_id'),
            'class_id' => $request->get('class_id'),
            'grade_id' => $request->get('grade_id'),
        ]);
        $user->save();

        return redirect('/');
    }

    public function sendCode(Request $request)
    {
        $mobile = $request->get('mobile');
        $uid = $request->get('uid');
        $code = random_int(1000, 9999);
        try {
            app('easy_sms')->send($mobile, [
                'content' => '您的验证码为: ' . $code,
                'template' => 'SMS_159955215',
                'data' => [
                    'code' => $code
                ],
            ]);
        } catch (NoGatewayAvailableException $exception) {
            return response()->json(['status' => 0, 'msg' => $exception->getExceptions()]);
        }

        cache()->put("code_{$uid}", $code, 2);

        return response()->json(['status' => 1]);
    }
}