java对接网银支付案例
=================提交表单jsp,http://www.cnblogs.com/qgc88================================
<%@page contentType="text/html;charset=gb2312" language="java"%>
<!-- import="java.net.URLEncoder" http://www.cnblogs.com/qgc88 -->
<%@page session="true"
import="com.gnete.paymentgateway.PayUtils,java.text.SimpleDateFormat,java.util.Date"
%>
<html>
<table border=1 bordercolor="ccccff" bgcolor="ccddee" align="center">
<%
//定义变量
String MerId, OrderNo, OrderAmount, CurrCode, BankCode,OrderType, nOrderType, CallBackUrl, ResultMode, Reserved01, Reserved02, SourceText, PKey, SignedMsg, EntryMode;
boolean ret;
PKey = "12hi60ohxxxxxxxxxxxxguz";//公司申请的key,http://www.cnblogs.com/qgc88
SignedMsg = "";
MerId="xxx"; //公司申请的商户ID参数,3位数,http://www.cnblogs.com/qgc88
System.out.println("商户ID: " + MerId + "<br>");
Date myDate = new Date();
OrderNo = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()); //商户订单号,http://www.cnblogs.com/qgc88
System.out.println("商户订单号不超过20位: " + OrderNo + "<br>");
OrderAmount = "100.01"; //订单金额，格式：元.角分
System.out.println("订单金额: " + OrderAmount.toString() + "<br>");
CurrCode = "CNY"; //货币代码，值为：CNY
System.out.println("货币代码: " + CurrCode + "<br>");
CallBackUrl = "http://localhost:8080/demo1/successPay.action"; //支付结果接收URL
EntryMode = request.getParameter("EntryMode") == null ? "": request.getParameter("EntryMode"); //支付方式
BankCode = request.getParameter("nBankCode") == null ? "" : request.getParameter("nBankCode");
System.out.println("支付结果接收URL: " + CallBackUrl + "<br>");
ResultMode = "0"; //支付结果返回方式(0-成功和失败支付结果均返回；1-仅返回成功支付结果)
Reserved01 = "just"; //保留域1
Reserved02 = "atest"; //保留域2
OrderType = "B2C";
//组合成订单原始数据
SourceText = MerId + OrderNo + OrderAmount + CurrCode + OrderType + CallBackUrl+ ResultMode + BankCode + EntryMode + Reserved01+ Reserved02;
System.out.println("<br>SourceText=" +SourceText);
PayUtils payUtils = new PayUtils();
SignedMsg = payUtils.md5(SourceText + payUtils.md5(PKey));
out.println("<br>" + "加密后的信息: " + SignedMsg + "<br>");
ret = payUtils.checkSign(SourceText,SignedMsg,PKey);
if(ret){
out.println("<br>"+"验证签名成功！");
}else{
out.println("<br>"+"验证签名失败! ");
}
//out.println("<br>"+"验证签名: "+"883ef8a28d9602f8705cafb4d01ca754".equals(SignedMsg) +"<br>");
%>
<!--注意，这个url只能是测试帐号调用，如果是正式的帐号请使用：https://www.gnete.com/bin/scripts/OpenVendor/gnete/V36/GetOvOrder.asp -->
<form method="post" name="SendOrderForm" action="http://test.gnete.com:8888/Bin/Scripts/OpenVendor/Gnete/V36/GetOvOrder.asp">
<input type='hidden' name='MerId' value='<%=MerId%>'>
<input type='hidden' name='OrderNo' value='<%=OrderNo%>'>
<input type='hidden' name='OrderAmount' value='<%=OrderAmount%>'>
<input type='hidden' name='CurrCode' value='<%=CurrCode%>'>
<input type='hidden' name='CallBackUrl' value='<%=CallBackUrl%>'>
<input type='hidden' name='ResultMode' value='<%=ResultMode%>'>
<input type='hidden' name='OrderType' value='<%=OrderType%>'>
<input type='hidden' name='BankCode' value='<%=BankCode%>'>
<input type='hidden' name='EntryMode' value='<%=EntryMode%>'> 0
<input type='hidden' name='Reserved01' value='<%=Reserved01%>'>
<input type='hidden' name='Reserved02' value='<%=Reserved02%>'>
<input type='hidden' name='SignMsg' value='<%=SignedMsg%>'>
<div align="center"><input type="submit" name="Submit" value="提交">
</div>
</form>
<tr>
</tr>
</table>
</html>
===============PayConf.java工具类,http://www.cnblogs.com/qgc88================================
/**,http://www.cnblogs.com/qgc88
* 名称：支付配置类
* 功能：配置类
* 类属性：公共类
* 版本：1.0
* 日期：2012-10-23
* 作者：银联网络互联网团队
* 版权：银联网络
* 说明：以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。该代码仅供参考。
* */
public class PayConf {
//编码方式
public final static String charset="GBK";
//加密方式
public final static String signType="MD5";
}
===============PayUtils.java工具类,http://www.cnblogs.com/qgc88================================
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLConnection;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.LinkedList;
import java.util.ListIterator;
import org.apache.commons.httpclient.methods.PostMethod;
/**,http://www.cnblogs.com/qgc88
* 名称：支付工具类
* 功能：工具类，可以生成付款表单等
* 类属性：公共类
* 版本：1.0
* 日期：2012-10-23
* 作者：银联网络互联网团队
* 版权：银联网络
* 说明：以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。该代码仅供参考。
* */
public class PayUtils {
/**
* 验证签名
* @param sourceText
* @param signature
* @param strPKey
* @return
*/
public boolean checkSign(String SourceMsg, String signature, String strPKey) {
String strKey;
if(SourceMsg == null) return false;
if(signature == null) return false;
if(strPKey == null) return false;
System.out.println("SourceMsg="+SourceMsg);
strKey = md5(strPKey);
strKey = SourceMsg +strKey;
System.out.println("strKey="+strKey);
strKey = md5(strKey);
System.out.println("strKey="+strKey);
System.out.println("signature="+signature);
if(signature.equals(strKey)){
return true;
}else{
return false;
}
}
/**
* get the md5 hash of a string
*
* @param str
* @return
*/
public String md5(String str) {
if (str == null) {
return null;
}
MessageDigest messageDigest = null;
try {
messageDigest = MessageDigest.getInstance(PayConf.signType);
messageDigest.reset();
messageDigest.update(str.getBytes(PayConf.charset));
} catch (NoSuchAlgorithmException e) {
return str;
} catch (UnsupportedEncodingException e) {
return str;
}
byte[] byteArray = messageDigest.digest();
StringBuffer md5StrBuff = new StringBuffer();
for (int i = 0; i < byteArray.length; i++) {
if (Integer.toHexString(0xFF & byteArray[i]).length() == 1)
md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
else
md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));
}
return md5StrBuff.toString();
}
// Clean up resources
public void destroy() {
}
/**
* 查询方法
* @param strURL
* @param req
* @return
*/
public String doPostQueryCmd(String strURL, String req) {
String result = null;
BufferedInputStream in = null;
BufferedOutputStream out = null;
try {
URL url = new URL(strURL);
URLConnection con = url.openConnection();
con.setUseCaches(false);
con.setDoInput(true);
con.setDoOutput(true);
out = new BufferedOutputStream(con.getOutputStream());
System.out.println("Request:=="+req);
byte outBuf[] = req.getBytes(PayConf.charset);
out.write(outBuf);
out.close();
in = new BufferedInputStream(con.getInputStream());
result = ReadByteStream(in);
} catch (Exception ex) {
System.out.print(ex);
return "";
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
}
}
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
if (result == null)
return "";
else
return result;
}
private static String ReadByteStream(BufferedInputStream in) throws IOException {
LinkedList<Mybuf> bufList = new LinkedList<Mybuf>();
int size = 0;
byte buf[];
do {
buf = new byte[128];
int num = in.read(buf);
if (num == -1)
break;
size += num;
bufList.add(new Mybuf(buf, num));
} while (true);
buf = new byte[size];
int pos = 0;
for (ListIterator<Mybuf> p = bufList.listIterator(); p.hasNext();) {
Mybuf b = p.next();
for (int i = 0; i < b.size;) {
buf[pos] = b.buf[i];
i++;
pos++;
}
}
return new String(buf,PayConf.charset);
}
}
class UTF8PostMethod extends PostMethod{
public UTF8PostMethod(String url){
super(url);
}
@Override
public String getRequestCharSet() {
return "UTF-8";
}
}
class GBKPostMethod extends PostMethod{
public GBKPostMethod(String url){
super(url);
}
@Override
public String getRequestCharSet() {
return "GBK";
}
}
class Mybuf
{
public byte buf[];
public int size;
public Mybuf(byte b[], int s)
{
buf = b;
size = s;
}
}