APP服务端支付宝支付(PHP服务端)

<?php

require_once('pay_zhifubao/aop/request/AlipayTradeAppPayRequest.php');

require_once('pay_zhifubao/aop/AopClient.php');

$aop = new AopClient;

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

$aop->appId = "app_id";

$aop->rsaPrivateKey = '私钥';

$aop->format = "json";

$aop->charset = "UTF-8";

$aop->signType = "RSA2";

$aop->alipayrsaPublicKey = '公钥';

//实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay

$request = new AlipayTradeAppPayRequest();

//SDK已经封装掉了公共参数，这里只需要传入业务参数

$bizcontent = "{\"body\":\"测试\"," 

    . "\"subject\": \"App支付测试\","

    . "\"out_trade_no\": \"2017123456\","

    . "\"timeout_express\": \"30m\"," 

    . "\"total_amount\": \"0.01\","

    . "\"product_code\":\"QUICK_MSECURITY_PAY\""

    . "}";

$request->setNotifyUrl("回调地址");

$request->setBizContent($bizcontent);

//这里和普通的接口调用不同，使用的是sdkExecute

$response = $aop->sdkExecute($request);

//htmlspecialchars是为了输出到页面时防止被浏览器将关键参数html转义，实际打印到日志以及http传输不会有这个问题

//echo htmlspecialchars($response);//就是orderString 可以直接给客户端请求，无需再做处理。

echo $response;

?>