APP(UniAPP) 支付宝支付操作指导 + 遇到的坑(PHP实现)

开发框架 ：	 	ThinkPHP5.1.2
前端编辑器：		HBuilderX
测试手机 ：		魅族、iphone7
支付场景：		APP-支付宝支付
整理时间：		2019-06-18

	async requestPayment(pay_sn,pay_type,actual_payment,discount_payment) {
				var _this = this;
				let orderInfo = await this.getOrderPayInfo(pay_sn,pay_type);
				//console.log("得到订单信息:"+JSON.stringify(orderInfo));
				if(orderInfo.data.status == 0){
					uni.showModal({
						content: orderInfo.data.message,
						showCancel: false
					})
					return;
				}
				
				if (orderInfo.statusCode !== 200) {
					uni.showModal({
						content: "获得订单信息失败",
						showCancel: false
					})
					return;
				}
				uni.requestPayment({
					provider: pay_type,
					orderInfo: orderInfo.data,
					success: (e) => {
						uni.showToast({
							title: "支付成功"
						})
					},
					fail: (e) => {
						uni.showModal({
							//content: "支付失败,原因为: " + e.errMsg,
							content: "抱歉，您的支付不成功",
							showCancel: false
						})
					},
					complete: () => {
					}
				})
			},
			getOrderPayInfo(pay_sn,pay_type) {
				let appid = "";
				// #ifdef APP-PLUS
				appid = plus.runtime.appid;
				// #endif
				let url = GLOBAL.DOMAIN_URL+"/api/pay/payment?pay_sn="+pay_sn+"&pay_type="+pay_type;
				return new Promise((res) => {
					uni.request({
						url: url,
						success: (result) => {
							res(result);
						},
						fail: (e) => {
							res(e);
						}
					})
				})
			}	

    /**
     * 支付宝 支付订单号
     * @param array $waitPayOrderInfo
     * @return string
     */
    public function aliPay($waitPayOrderInfo = [])
    {
        $aop = new AopClient();
        $aop->gatewayUrl = $this->gatewayUrl;
        $aop->appId = $this->appID;
        $aop->rsaPrivateKey = $this->rsaPrivateKey;
        $aop->alipayrsaPublicKey = $this->alipayrsaPublicKey;
        $aop->apiVersion = '1.0';
        $aop->signType = 'RSA2';
        $aop->postCharset = 'utf-8';
        $aop->format = 'json';

        $ali_body = $waitPayOrderInfo['ali_body'];
        $ali_total_amount = $waitPayOrderInfo['pay_amount'];
        $ali_out_trade_no = $waitPayOrderInfo['ali_out_trade_no'];

        $request = new AlipayTradeAppPayRequest();
        $request->setBizContent("{" .
            //TODO 商户网站唯一订单号
            "\"out_trade_no\":\"$ali_out_trade_no\"," .
            "\"total_amount\":\"$ali_total_amount\"," .
            //TODO 对一笔交易的具体描述信息。如果是多种商品，请将商品描述字符串累加传给body
            "\"body\":\"$ali_body\"," .

            //TODO 商品的标题/交易标题/订单标题/订单关键字等
            "\"subject\":\"瑞生活1314\"," .
            "\"product_code\":\"QUICK_MSECURITY_PAY\"," .
            //TODO 该笔订单允许的最晚付款时间，逾期将关闭交易
            "\"timeout_express\":\"90m\"," .
            "  }");
        //TODO 回调地址的设置，官方文档个人认为有误
        $request->setNotifyUrl($this->ali_notify_url);
        $result = $aop->sdkExecute($request);
        $message = $result;
        return $message;
    }
 

		//TODO 回调地址的设置，官方文档个人认为有误
        $request->setNotifyUrl($this->ali_notify_url);
        //注意使用的是 sdkExecute(),认为文档有坑
        $result = $aop->sdkExecute($request);

    /**
     * 此处进行处理 支付回调操作 ，更新数据库
     * @param Request $request
     */
    public function aliNotify(Request $request)
    {
        $out_trade_no = $request->param('out_trade_no', null);
        $trade_no = $request->param('trade_no',null);
        $total_amount = $request->param('total_amount', '0.00');
        $subject = $request->param('subject', 'Null');
        $body = $request->param('body', 'Null');
        $timestamp = $request->param('timestamp',date("Y-m-d H:i:s"));
        $resArr = [
            "out_trade_no" => $out_trade_no,
            "trade_no"  => $trade_no,
            "total_amount" => $total_amount,
            "subject" => $subject,
            "body" => $body,
            "timestamp" => $timestamp];
        $json_str_notify = json_encode($resArr);

        //TODO 此时进行更新操作
        if ($out_trade_no){
            //以“A” 分割是我对订单号的自定义处理
            $order_sn = explode("A",$out_trade_no)[0];
            $orderInfoModel = new XorderInfos();
            //TODO 将前面的 $json_str_notify 写入订单记录，方便后期退款，并进行业务更新操作
            $orderInfoModel->updatePayResultForNotify($order_sn, 1,$json_str_notify);
            //echo file_put_contents("ali_pay.txt", $json_str_notify);
        }
    }

{"out_trade_no":"201906109532174488A531178",
"trade_no":"2019061022001445431043252624",
"total_amount":"1.43",
"subject":"\u745e\u751f\u6d3b1314",
"body":"MEDIHEAL \u53ef\u83b1\u4e1d\u7ecf\u5178\u9488\u5242\u6c34\u5e93 \u8865\u6c34\u4fdd\u6e7f\u9762\u819c + \u97e9\u56fdLets diet\u7761\u8863\u516b\u4ef6\u5957",
"timestamp":"2019-06-10 15:14:36"}