$url = 'apiname=com.alipay.account.auth&app_id=APP内容&app_name=mc&auth_type=AUTHACCOUNT&biz_type=openservice&method=alipay.open.auth.sdk.code.get&pid=2088xxxxxx&product_id=APP_FAST_LOGIN&scope=kuaijie&sign_type=RSA2';

        include ( C("APP_ROOT")."Lib/alipay/AopSdk.php"); //导入支付宝的相关文件

        $aop = new AopClient ();

        $aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';

        $aop->appId = '20180xxxxxxxx';

        $aop->rsaPrivateKey = '私钥内容';

        $aop->alipayrsaPublicKey='支付宝公钥内容';

        $aop->apiVersion = '1.0';

        $aop->signType = 'RSA2';

        $aop->postCharset='utf-8';

        $aop->format='json';

        $result = $aop->generateSignn ( $url);

        //dump($result);die;

        $sign = urlencode($result);

        $url = $url.'&'.'sign='.$sign;

        $mod['event'] = 200;

        $mod['msg'] = '请求成功';

        $mod['data'] = $url;

        exit($this->decodeUnicode(json_encode($mod)));