index.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body >
<br>
<a href="<%=gateway.payment.payment.CreateUrl()%>"><img src="images/alipay_bwrx.gif" border="0"></a>
</body>
</html>
alipay_notify.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.util.*"%>
<%request.setCharacterEncoding("gb2312");
String partner = ""; //partner合作伙伴id（必須填寫）
String privateKey = ""; //partner 的對應交易安全校驗碼（必須填寫）
String alipayNotifyURL = "
+ "&partner="
+ partner
+ "¬ify_id="
+ request.getParameter("notify_id");
//獲取支付寶ATN返回結果，true是正確的訂單信息，false 是無效的
//如果你的服務器不支持https訪問的話，需要用老的接口查詢地址了，論壇上會公布
String responseTxt = gateway.checkURL.checkURL
.check(alipayNotifyURL);
Map params = new HashMap();
//獲得POST 過來參數(shù)設置到新的params中
Map requestParams = request.getParameterMap();
for (Iterator iter = requestParams.keySet().iterator(); iter
.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i]
: valueStr + values[i] + ",";
//valueStr = valueStr + values[i];
}
params.put(name, valueStr);
}
String mysign = com.alipay.util.SignatureHelper.sign(params, privateKey);
//out.println(mysign+"-----"+request.getParameter("sign"));
if (mysign.equals(request.getParameter("sign")) || responseTxt.equals("true") ){
out.println("success");
}
%>
retrun_url.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.util.*"%>
<%request.setCharacterEncoding("gb2312");
//String partner = ""; //partner合作伙伴id（必須填寫）
String privateKey = ""; //partner 的對應交易安全校驗碼（必須填寫）
// String alipayNotifyURL = "
// + "&partner="
// + partner
// + "¬ify_id="
// + request.getParameter("notify_id");
//獲取支付寶ATN返回結果，true是正確的訂單信息，false 是無效的
//String responseTxt = gateway.checkURL.checkURL
// .check(alipayNotifyURL);
//由于return url的返回通知，notifyid為空，無法到服務器查詢真假，所以只要比對簽名就好
Map params = new HashMap();
//獲得POST 過來參數(shù)設置到新的params中
Map requestParams = request.getParameterMap();
for (Iterator iter = requestParams.keySet().iterator(); iter
.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i]
: valueStr + values[i] + ",";
//valueStr = valueStr + values[i];
}
params.put(name, valueStr);
}
String mysign = com.alipay.util.SignatureHelper_return.sign(params, privateKey);
//out.println(mysign+"-----"+request.getParameter("sign"));
if (mysign.equals(request.getParameter("sign")) ){
if (request.getParameter("trade_status").equalsIgnoreCase("TRADE_FINISHED")){
// 可以做重定向，也可以用來虛擬物品發(fā)貨
}
}
%>
SignatureHelper.java
package com.alipay.util;
import gateway.md5.Md5Encrypt;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
public class SignatureHelper {
public static String sign(Map params, String privateKey) {
Properties properties = new Properties();
for (Iterator iter = params.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
Object value = params.get(name);
if (value == null) {
continue;
}
if (name == null || name.equalsIgnoreCase("sign")
|| name.equalsIgnoreCase("sign_type")) {
continue;
}
properties.setProperty(name, value.toString());
}
String content = getSignatureContent(properties);
return sign(content, privateKey);
}
@SuppressWarnings("unchecked")
public static String getSignatureContent(Properties properties) {
StringBuffer content = new StringBuffer();
List keys = new ArrayList(properties.keySet());
Collections.sort(keys);
for (int i = 0; i < keys.size(); i++) {
String key = (String) keys.get(i);
String value = properties.getProperty(key);
content.append((i == 0 ? "" : "&") + key + "=" + value);
}
return content.toString();
}
public static String sign(String content, String privateKey) {
if (privateKey == null) {
return null;
}
String signBefore = content + privateKey;
// System.out.print(Md5Encrypt.md5(signBefore));
return Md5Encrypt.md5(signBefore);
}
}
SignatureHelper_return.java
package com.alipay.util;
import gateway.md5.Md5Encrypt;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
public class SignatureHelper_return {
public static String sign(Map params, String privateKey) {
Properties properties = new Properties();
for (Iterator iter = params.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
Object value = params.get(name);
if (value == null) {
continue;
}
if ( name.equalsIgnoreCase("sign")
|| name.equalsIgnoreCase("sign_type")) {
continue;
}
properties.setProperty(name, value.toString());
}
String content = getSignatureContent(properties);
return sign(content, privateKey);
}
@SuppressWarnings("unchecked")
public static String getSignatureContent(Properties properties) {
StringBuffer content = new StringBuffer();
List keys = new ArrayList(properties.keySet());
Collections.sort(keys);
for (int i = 0; i < keys.size(); i++) {
String key = (String) keys.get(i);
String value = properties.getProperty(key);
content.append((i == 0 ? "" : "&") + key + "=" + value);
}
return content.toString();
}
public static String sign(String content, String privateKey) {
if (privateKey == null) {
return null;
}
String signBefore = content + privateKey;
// System.out.print(Md5Encrypt.md5(signBefore));
return Md5Encrypt.md5(signBefore);
}
}
checkURL.java
package gateway.checkURL;
import java.net.*;
import java.io.*;
public class checkURL {
/**
* 對字符串進行MD5加密
* @param myUrl
*
* @param url
*
* @return 獲取url內(nèi)容
*/
public static String check(String urlvalue ) {
String inputLine = "";
try
{
URL url = new URL(urlvalue);
HttpURLConnection urlConnection = (HttpURLConnection)url.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
String stTemp = "";
while((stTemp = in.readLine()) != null)
{
System.out.println(stTemp);
inputLine = inputLine + stTemp;
}
}
catch(Exception e)
{
e.printStackTrace();
}
return inputLine;
}
}
Md5Encrypt.java
/**
* Alipay.com Inc. Copyright (c) 2004-2005 All Rights Reserved.
*
* <p>
* Created on 2005-7-9
* </p>
*/
package gateway.md5;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* MD5加密算法
*/
public class Md5Encrypt {
/**
* 對字符串進行MD5加密
*
* @param text 明文
*
* @return 密文
*/
public static String md5(String text) {
MessageDigest msgDigest = null;
try {
msgDigest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
throw new IllegalStateException("System doesn't support MD5 algorithm.");
}
msgDigest.update(text.getBytes());
byte[] bytes = msgDigest.digest();
byte tb;
char low;
char high;
char tmpChar;
String md5Str = new String();
for (int i = 0; i < bytes.length; i++) {
tb = bytes[i];
tmpChar = (char) ((tb >>> 4) & 0x000f);
if (tmpChar >= 10) {
high = (char) (('a' + tmpChar) - 10);
} else {
high = (char) ('0' + tmpChar);
}
md5Str += high;
tmpChar = (char) (tb & 0x000f);
if (tmpChar >= 10) {
low = (char) (('a' + tmpChar) - 10);
} else {
low = (char) ('0' + tmpChar);
}
md5Str += low;
}
return md5Str;
}
}
payment.java
package gateway.payment;
import java.util.*;
public class payment {
public static String CreateUrl()
{
Date out_trade_no=new Date();
String paygateway = "
String service = "create_direct_pay_by_user";
String partner = ""; //partner合作伙伴ID(必填)
String sign_type = "MD5";
String subject = "訂單號:" + out_trade_no; //subject 商品名稱
String body = "交易地點總價包含郵費"; //body 商品描述
String price = "100"; //price 商品單價 0.01～50000.00
String show_url = "
String quantity = "1";
String payment_type = "1";
String logistics_type = "EXPRESS";//logistic為物流信息
String logistics_fee = "2";
String logistics_payment = "SELLER_PAY";
String logistics_type_1 = "EMS";
String logistics_fee_1 = "4";
String logistics_payment_1 = "SELLER_PAY";
String seller_email = ""; //賣家賬號(必填)
String key = ""; //partner賬戶的支付寶安全校驗碼(必填)
String notify_url = "
String[] Oristr ={ "service="+service, "partner=" + partner, "subject=" + subject, "body=" + body, "out_trade_no=" + out_trade_no, "price=" + price, "show_url=" + show_url, "quantity=" + quantity, "payment_type=" + payment_type, "logistics_type=" + logistics_type, "logistics_fee=" + logistics_fee, "logistics_payment=" + logistics_payment, "logistics_type_1=" + logistics_type_1, "logistics_fee_1=" + logistics_fee_1, "logistics_payment_1=" + logistics_payment_1, "seller_email=" + seller_email, "notify_url=" + notify_url };
Arrays.sort(Oristr);//Sorts the specified array of objects into ascending order
//according to the natural ordering of its elements.
String prestr="";
for (int i = 0; i < Oristr.length; i++)
{
if (i==Oristr.length-1)
{
prestr = prestr + Oristr[i] ;
}
else
{
prestr = prestr + Oristr[i] + "&";
}
}
prestr = prestr + key;
//生成Md5摘要；
String sign = gateway.md5.Md5Encrypt.md5(prestr);
//構造支付Url；
String parameter = "";
parameter = parameter + paygateway;
for (int i = 0; i < Oristr.length; i++)
{
parameter = parameter + Oristr[i] + "&";
}
parameter = parameter + "sign=" + sign + "&sign_type=" + sign_type;
//返回支付Url；
return parameter;
}
}
注意:
包的位置,
參數(shù)排序是以字母的排序排的
轉(zhuǎn)自:http://www.tkk7.com/etlan/archive/2006/06/30/55990.html
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posted on 2009-05-02 23:53
龍華城 閱讀(791)
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