PHP 手机支付宝接口

/*配置信息*/
function config(){
        $alipay_config = array(
            'partner' => '2088210265284197',       //PID
            'key' => '57i27aczxnq41e7zirduh56frgdgvj5g',   //Key值 
            'sign_type' => 'MD5',
            'input_charset' => 'utf-8',
            'cacert' => getcwd().'\\cacert.pem',
            'transport' => 'http'
        );
        return $alipay_config;
    }
/*支付提交*/
function getsubmit(){
        require_once("zhifubao/alipay_submit.class.php");
        $alipay_config = $this->config();
        $format = "xml";
        $v = "2.0";
        $req_id = date('Ymdhis');
        $notify_url = "http://192.168.1.117/zhifubao/notify_url.php";
        $call_back_url = "http://192.168.1.117/zhifubao/call_back_url.php";
        $merchant_url = "http://192.168.1.117/zhifubao/aa.php";
        $seller_email = empty($_POST['WIDseller_email']) ? '[e-mail]' : $_POST['WIDseller_email'];
        //商户订单号
        $out_trade_no = time();//$_POST['WIDout_trade_no']; 
        $subject = '产品';//$_POST['WIDsubject'];
        //付款金额
        $total_fee = '0.01';//$_POST['WIDtotal_fee'];
        //请求业务参数详细
        $req_data = '<direct_trade_create_req><notify_url>' . $notify_url . '</notify_url><call_back_url>' . $call_back_url . '</call_back_url><seller_account_name>' . $seller_email . '</seller_account_name><out_trade_no>' . $out_trade_no . '</out_trade_no><subject>' . $subject . '</subject><total_fee>' . $total_fee . '</total_fee><merchant_url>' . $merchant_url . '</merchant_url></direct_trade_create_req>';
        //必填

        /************************************************************/

        //构造要请求的参数数组，无需改动
        $para_token = array(
                "service" => "alipay.wap.trade.create.direct",
                "partner" => trim($alipay_config['partner']),
                "sec_id" => trim($alipay_config['sign_type']),
                "format"    => $format,
                "v"    => $v,
                "req_id"    => $req_id,
                "req_data"    => $req_data,
                "_input_charset"    => trim(strtolower($alipay_config['input_charset']))
        );
            
        //建立请求

        $alipaySubmit = new AlipaySubmit($alipay_config);      
        $html_text = $alipaySubmit->buildRequestHttp($para_token);

        //URLDECODE返回的信息
        $html_text = urldecode($html_text);
        //解析远程模拟提交后返回的信息

        $para_html_text = $alipaySubmit->parseResponse($html_text);
        //获取request_token
        $request_token = $para_html_text['request_token'];
        /**************************根据授权码token调用交易接口alipay.wap.auth.authAndExecute**************************/

        //业务详细
        $req_data = '<auth_and_execute_req><request_token>' . $request_token . '</request_token></auth_and_execute_req>';
        //必填

        //构造要请求的参数数组，无需改动
        $parameter = array(
                "service" => "alipay.wap.auth.authAndExecute",
                "partner" => trim($alipay_config['partner']),
                "sec_id" => trim($alipay_config['sign_type']),
                "format"    => $format,
                "v"    => $v,
                "req_id"    => $req_id,
                "req_data"    => $req_data,
                "_input_charset"    => trim(strtolower($alipay_config['input_charset']))
        );


        //建立请求
        $alipaySubmit = new AlipaySubmit($alipay_config);
       
        $html_text = $alipaySubmit->buildRequestForm($parameter, 'get', '确认');