web/app/Http/Controllers/AppController.php

<?php
/**
 * Created by PhpStorm.
 * User: guanxl
 * Date: 2018/9/7
 * Time: 14:07
 */

namespace App\Http\Controllers;

use App\Services\CookieService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;
use App\Libs\Curl;

class AppController
{
    public function index(Request $request){
        Log::info('1232');
        $token = $request->get("token");
        $data = Redis::hGetAll("oauth:".$token);
        if($data){
            CookieService::setOauth($data);
            header("location:http://activity.test.care001.cn/brainstorming?activity_id=709");
        }
    }

    /**
     * 根据code获取网页授权access_token
     */
    public function getAccessTokenByCode($code) {
        $uri = sprintf("https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code", env("WX_APP_ID"), env("WX_APP_SECRET"), $code);
        Log::info($uri);
        $curl = new Curl($uri);
        $curl->httpHeader('Content-Type', 'application/json');
        $res = $curl -> httpGet();
        $resData = json_decode($res, true);

        if(isset($resData['access_token'])){
            return $resData;
        }
        return null;
    }

    /**
     * 根据openid和access_token获取用户信息，前提是scope = snsapi_userinfo
     */
    public function getUserInfo(Request $request) {
        $code = $request -> get("code");
        $activity_id = $request -> get("activity_id");
        $access = $this->getAccessTokenByCode($code);

        if(empty($access)) {
            return null;
        }

        $uri = sprintf("https://api.weixin.qq.com/sns/userinfo?access_token=%s&openid=%s&lang=zh_CN", $access['access_token'], $access['openid']);

        $curl = new Curl($uri);
        $curl->httpHeader('Content-Type', 'application/json');
        $res = $curl -> httpGet();
        $resData = json_decode($res, true);

        if(isset($resData['openid'])){
            $data["oauth_open_id"] = $resData['openid'];
            $data["oauth_avatar"] = $resData['headimgurl'];
            $data["oauth_nickname"] = $resData['nickname'];
            $data["oauth_platform"] = "wechat";
            $data["oauth_guid"] = $resData['openid'];
            CookieService::setOauth($data);
        }
        header("location:" .  env("WEB_URL") . "?activity_id=$activity_id");
    }
}