[Java] 歐付寶金流串接教學

前言：

　　很多接案的人，都會碰到需要接金流的時候。而歐付寶是個台灣的金流平台。

　　這邊記錄下，串接的心得。我用的語言是Java, 採liferay這個portal平台，不過這份教學當然適合servlet.

　　不過官方技術文件，太規格導向了。應該要方便developer快速開發才是很多資訊還是要向官方問才知道。

流程 :

假設有一個網購網站，有使用者下了單之後，採用信用卡付款。此時照官方使用範例
會把所有資訊弄成html的語法(html hidden fields)，再加密送出去。

eg.
```
<input type="hidden" name="Language" value="English">
```
如果不懂，覺得太抽象可以用 http://dev.lovewed.tw/allpay/ 這個網站來測試整個流程(歐付寶有提供測試平台，測試信用卡卡號)。

了解整個流程後，我們可以確定歐付寶正常無誤就可以開始串寫程式了。

payment.jsp, 這支是負責user填完資料驗證後，且在我方server有紀錄後，送給轉到歐付寶付款用的。

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ page import="AllPay.Payment.Integration.*" %>

<%@ page import="java.util.Hashtable" %>

<%@ page import="java.util.Set" %>

<%@ page import="java.util.TreeSet" %>

<%@ page import="java.util.Date" %>

<%@ page import="java.util.List" %>

<%@ page import="java.util.ArrayList" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>AllPay</title>

</head>

<body>

<%

    List<String> enErrors = new ArrayList<String>();

    try {

        AllInOne oPayment = new AllInOne();

        /* 服務參數 */

        oPayment.ServiceMethod = HttpMethod.HttpPOST;

        oPayment.ServiceURL = "";

        oPayment.HashKey = "";

        oPayment.HashIV = "";

        oPayment.MerchantID = "";

        /* 基本參數 */

        oPayment.Send.ReturnURL = "http://172.16.30.41:8080/AllPayWeb/checkOutFeedback_All.jsp";

        oPayment.Send.ClientBackURL = "http://172.16.30.41:8080/AllPayWeb/checkOutFeedback_All.jsp";

        oPayment.Send.OrderResultURL = "http://172.16.30.41:8080/AllPayWeb/checkOutFeedback_All.jsp";

        oPayment.Send.MerchantTradeNo = String.valueOf((new Date()).getTime());

        oPayment.Send.MerchantTradeDate = new Date();

        oPayment.Send.TotalAmount = new Decimal("300");

        oPayment.Send.TradeDesc = AllPayFunction.genString("測試");

        oPayment.Send.ChoosePayment = PaymentMethod.ALL;

        oPayment.Send.Remark = AllPayFunction.genString("測試Pay");

        oPayment.Send.ChooseSubPayment = PaymentMethodItem.ATM_TAISHIN;

        oPayment.Send.NeedExtraPaidInfo = ExtraPaymentInfo.Yes;

        oPayment.Send.DeviceSource = DeviceType.PC;

        oPayment.SendExtend.ExpireDate = 1;

        oPayment.SendExtend.PaymentInfoURL = "http://172.16.30.41:8080/AllPayWeb/checkOutFeedback_All.jsp";

        //oPayment.SendExtend.ClientRedirectURL = "http://172.16.30.41:8080/";

        // 加入選購商品資料。

        Item a1 = new Item();

        a1.Name = "一棟房子";

        a1.Price = new Decimal("300");

        a1.Currency = "元";

        a1.Quantity = 2;

        a1.URL = "<<產品說明位址>>";

        oPayment.Send.Items.add(a1);

        Item a2 = new Item();

        a2.Name = "iPhone 6S";

        a2.Price = new Decimal("400");

        a2.Currency = "元";

        a2.Quantity = 8;

        a2.URL = "<<產品說明位址>>";

        oPayment.Send.Items.add(a2);

        enErrors.addAll(oPayment.CheckOut(response.getWriter()));

    }

    catch (Exception e) {

        enErrors.add(e.getMessage());

    }

    finally {

        if (enErrors.size() > 0)

            out.print(enErrors);

    }

%>

</body>

</html>

bittorrent

paymentresult.jsp

<%@include file="init.jsp" %>

<%

    List<String> enErrors = new ArrayList<String>();

    try {

        //ParamUtil.print(request);

        AllInOne oPayment = new AllInOne();

        Hashtable<String, String> htFeedback = new Hashtable<String, String>();

        //HttpServletRequest request = PortalUtil.getHttpServletRequest(actionrequest);

        enErrors.addAll(oPayment.CheckOutFeedback(htFeedback, request));

        Set<String> key = htFeedback.keySet();

        String name[] = key.toArray(new String[key.size()]);

        // id = id.Replace("_", "-");

        String HashKey = "";

        String HashIV = "";

        //Get a payment result data

        String szMerchantID = "";

        String szMerchantTradeNo = "";

        String szPaymentDate = "";

        String szPaymentType = "";

        String szPaymentTypeChargeFee = "";

        String szRtnCode = "";

        String szRtnMsg = "";

        String szSimulatePaid = "";

        String szTradeAmt = "";

        String szTradeDate = "";

        String szTradeNo = "";

        /* 使用 ATM 交易時，回傳的額外參數 */

         String szBankCode = "";

         String szVirtualAccount = "";

         String szExpireDate = "";

        String szCheckMacValue = "";

        for (int i = 0; i < name.length; i++) {

            /* 支付後的回傳的基本參數 */

            if (name[i].equals("MerchantID"))

                szMerchantID = htFeedback.get(name[i]);

            else if (name[i].equals("MerchantTradeNo"))

                szMerchantTradeNo = htFeedback.get(name[i]);

            else if (name[i].equals("PaymentDate"))

                szPaymentDate = htFeedback.get(name[i]);

            else if (name[i].equals("PaymentType"))

                szPaymentType = htFeedback.get(name[i]);

            else if (name[i].equals("PaymentTypeChargeFee"))

                szPaymentTypeChargeFee = htFeedback.get(name[i]);

            else if (name[i].equals("RtnCode"))

                szRtnCode = htFeedback.get(name[i]);

            else if (name[i].equals("RtnMsg"))

                szRtnMsg = htFeedback.get(name[i]);

            else if (name[i].equals("SimulatePaid"))

                szSimulatePaid = htFeedback.get(name[i]);

            else if (name[i].equals("TradeAmt"))

                szTradeAmt = htFeedback.get(name[i]);

            else if (name[i].equals("TradeDate"))

                szTradeDate = htFeedback.get(name[i]);

            else if (name[i].equals("TradeNo"))

                szTradeNo = htFeedback.get(name[i]);

            else if(name[i].equals("BankCode"))

                szBankCode = htFeedback.get(name[i]);

            else if(name[i].equals("vAccount"))

                szVirtualAccount = htFeedback.get(name[i]);

            else if(name[i].equals("ExpireDate"))

                szExpireDate = htFeedback.get(name[i]);

        }

        System.out.println("MerchantID = " + szMerchantID);

        System.out.println("MerchantTradeNo = " + szMerchantTradeNo);

        System.out.println("PaymentDate = " + szPaymentDate);

        System.out.println("PaymentType = " + szPaymentType);

        System.out.println("PaymentTypeChargeFee = "

                + szPaymentTypeChargeFee);

        System.out.println("RtnCode = " + szRtnCode);

        System.out.println("RtnMsg = " + szRtnMsg);

        System.out.println("SimulatePaid = " + szSimulatePaid);

        System.out.println("TradeAmt = " + szTradeAmt);

        System.out.println("TradeDate = " + szTradeDate);

        System.out.println("TradeNo = " + szTradeNo);

        /* 使用 ATM 交易時，回傳的額外參數 */

        System.out.println("BankCode = " + szBankCode);

        System.out.println("vAccount = " + szVirtualAccount);

        System.out.println("ExpireDate = " + szExpireDate);

        out.println("");

    } catch (Exception e) {

        enErrors.add(e.getMessage());

    } finally {

        if (enErrors.size() == 0)

            out.println("1|OK");

        else

            out.println("0|" + enErrors);

    }

%>

bittorrent

則是user在歐付寶付款後，通知我方server用的，好讓我方server在資料庫中，紀錄成功入賬。

結尾：

　　基本上，只要欄位照著規格書填對。就沒有太大的問題，而看到官方有其他的問題則是參數中有 / - 等字串

　　所以過程中，我是已經避免此問題了。

　　若有問題，可以留言討論。

秒客网

[Java] 歐付寶金流串接教學

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