huahuibao/app/admin/controllers/AuthController.php

<?php
namespace backend\controllers;
use common\services\xhAdminService;
use common\components\util;
use Yii;
use yii\web\Controller;
use common\services\xhMerchantService;
use common\services\xhUserService;
use common\components\weixinUtil;
use common\components\configDict;
use common\components\stringUtil;
use common\services\xhWxOpenService;

/**
 * 微信 oauth 授权相关
 */
class AuthController extends PublicController{

	public function actionGetUserInfo()
	{
		$get		= Yii::$app->request->get();
		$code		= isset($get['code']) ? $get['code'] : '';
		if(isset($get['state']) && $get['state'] == 'authdeny'){
			util::stop('auth fail');
		}
		$account					= '';
		$params						= $get['params'];
		$suffixUrl					= base64_decode($params);
		$openMerchant				= xhWxOpenService::getMerchant();
		$user						= [];
		$baseInfo					= [];
		$data						= weixinUtil::getOpenId($code,$openMerchant);//没关注公众号，用户授权获取openId
		$openId						= $data['openid'];
		$access_token				= $data['access_token'];
		$admin						= xhAdminService::getByOpenId($openId);
		if(empty($admin)){
			if($get['authScope'] == 'snsapi_userinfo'){
				//经测试，已经关注公众号的粉丝直接点击菜单上的链接时，不走下面的静默自动方式，走这条，也会以静默自动的方式处理获取openId;
				$baseInfo			= weixinUtil::authGetUserInfo($openId,$access_token);//用户授权方式获取用户信息
			}else{
				$baseInfo			= weixinUtil::autoGetUserInfo($openId,$openMerchant);//静默自动方式获取用户信息
			}
			$admin					= xhAdminService::generateAdmin($baseInfo);
		}
		xhAdminService::loginByThird($admin);
		$url								= 'http://'.$_SERVER['HTTP_HOST'].$suffixUrl;
		$this->redirect($url);
	}

	public function actionLogout()
	{
		xhAdminService::logout();
		echo 'ok';
	}

}