PHP之路——微信公众号授权获取用户信息

官方文档链接：http://mp.weixin.qq.com/wiki/4/9ac2e7b1f1d22e9e57260f6553822520.html

 

　　/**
     * 获取code
     */
    public function actionGetCode()
    {
        $response_type = \'code\';
        $scope = \'snsapi_userinfo\';
        $conf = yii::$app->params[\'oauth_conf\'][\'oauth_wx_in\'];
        $url = \'https://open.weixin.qq.com/connect/oauth2/authorize?\';
        $url .= \'appid=\'.$conf[\'app_id\'];
        $url .= \'&redirect_uri=\' . urlencode($conf[\'redirect_uri\']);
        $url .= \'&response_type=code\';
　　　　//这是微信公众号内获取
        $url .= \'&scope=snsapi_userinfo\';
　　　　//这是微信开放平台获取
//        $url .= \'&scope=snsapi_login\';
        $url .= \'&#wechat_redirect\';

        header(\'Location:\'.$url);
        
    }


    /**
     * 获取access_token
     */
    public function actionGettoken()
    {
        $conf = yii::$app->params[\'oauth_conf\'][\'oauth_wx_in\'];
        $code = $_GET[\'code\'];
        $url = \'https://api.weixin.qq.com/sns/oauth2/access_token?\';
        $url .= \'appid=\'.$conf[\'app_id\'];
        $url .= \'&secret=\'.$conf[\'app_key\'];
        $url .= \'&code=\'.$code;
        $url .= \'&grant_type=authorization_code\';

        $ch = curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_HEADER,0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        $data = curl_exec($ch);
        $data = json_decode($data,true);
        curl_close($ch);

        $access_token = $data[\'access_token\'];
        $openid = $data[\'openid\'];
        $get_user_info_url = \'https://api.weixin.qq.com/sns/userinfo?access_token=\'.$access_token.\'&openid=\'.$openid.\'&lang=zh_CN\';

        $ch = curl_init();
        curl_setopt($ch,CURLOPT_URL,$get_user_info_url);
        curl_setopt($ch,CURLOPT_HEADER,0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        $res = curl_exec($ch);
        curl_close($ch);
　　　　//返回的是一个数组，里面存放用户的信息
        $res = json_decode($res,true);

    }