银联在线网关支付 (JAVA版)

这一版本的编写是在我上一次博客的基础上写的，有不懂得童鞋可以先看下我的原先在线支付的博客，熟悉下:http://blog.csdn.net/yulei_qq/article/details/45197543

第一步，建立工程，工程目录如下：

我在原先案例代码的基础上增加了个Servlet类 GateWayPayment 和一个JSP文件. home.jsp rescources文件夹下放的是测试用的一些文件，如测试证书 . 下面我贴下GateWayPayment .java 和 home.jsp 的源码.

GateWayPayment.java

[java] view plain copy

package com.unionpay.acp;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.unionpay.acp.sdk.SDKConfig;
public class GateWayPayment extends HttpServlet {
@Override
public void init() throws ServletException {
System.out.println("初始化Servlet.....");
SDKConfig.getConfig().loadPropertiesFromSrc();
super.init();
}
/**
*
*/
private static final long serialVersionUID = 7414643114833354891L;
/**
* The doGet method of the servlet. <br>
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
/**
* 组装请求报文
*/
Map<String, String> data = new HashMap<String, String>();
// 版本号
data.put("version", "5.0.0");
// 字符集编码默认"UTF-8"
data.put("encoding", "UTF-8");
// 签名方法 01 RSA
data.put("signMethod", "01");
// 交易类型 01-消费
data.put("txnType", "01");
// 交易子类型 01:自助消费 02:订购 03:分期付款
data.put("txnSubType", "01");
// 业务类型
data.put("bizType", "000201");
// 渠道类型，07-PC，08-手机
data.put("channelType", "08");
// 前台通知地址，控件接入方式无作用
data.put("frontUrl", "http://localhost:8080/PayOnLine/acp_front_url.do");
// 后台通知地址
data.put("backUrl", "http://localhost:8080/PayOnLine/acp_back_url.do");
// 接入类型，商户接入填0 0- 商户， 1：收单， 2：平台商户
data.put("accessType", "0");
// 商户号码，请改成自己的商户号
data.put("merId", "777290058112538");
// 商户订单号，8-40位数字字母
data.put("orderId", new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())); //自动生成订单号，生产系统一般是一个自动增长的序列.
// 订单发送时间，取系统时间
data.put("txnTime", new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()));
// 交易金额，单位分
data.put("txnAmt", "749900");
// 交易币种
data.put("currencyCode", "156");
// 请求方保留域，透传字段，查询、通知、对账文件中均会原样出现
// data.put("reqReserved", "透传信息");
// 订单描述，可不上送，上送时控件中会显示该信息
// data.put("orderDesc", "订单描述");
Map<String, String> submitFromData = DemoBase.signData(data);
// 交易请求url 从配置文件读取
String requestFrontUrl = SDKConfig.getConfig().getFrontRequestUrl();
/**
*动态创建表单
*/
String html = DemoBase.createHtml(requestFrontUrl, submitFromData);
// System.out.println(html);
out.print(html);
out.flush();
out.close();
}
/**
* The doPost method of the servlet. <br>
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}

home.jsp

[html] view plain copy

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'Home.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
点击如下图片，购买商品!
<div>
<a href="http://localhost:8080/acptest1/servlet/GateWayPayment"><img alt="相机" src="images/photo.png"></a>
</div>
</body>
</html>

web.xml

[html] view plain copy

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>acptest1</display-name>
<servlet>
<servlet-name>BackRcvResponse</servlet-name>
<servlet-class>com.unionpay.acp.BackRcvResponse</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>BackRcvResponse</servlet-name>
<url-pattern>/acp_back_url.do</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>FrontRcvResponse</servlet-name>
<servlet-class>com.unionpay.acp.FrontRcvResponse</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>FrontRcvResponse</servlet-name>
<url-pattern>/acp_front_url.do</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>GateWayPayment</servlet-name>
<servlet-class>com.unionpay.acp.GateWayPayment</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>GateWayPayment</servlet-name>
<url-pattern>/servlet/GateWayPayment</url-pattern>
</servlet-mapping>
</web-app>