一、账号注册
1.蚂蚁金服开放平台官网（用自己支付账号登录）
2.填写注册信息
3.注册完成点击开发服务
二、沙箱环境配置
1.生成公钥与秘钥
2.下载沙箱钱包 用沙箱账号登录即可
三、HTML代码
<!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>支付宝电脑网站支付</title>
<style>
* {
margin: 0;
padding: 0;
}
ul, ol {
list-style: none;
}
body {
font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande",
sans-serif;
}
.tab-head {
margin-left: 120px;
margin-bottom: 10px;
}
.tab-content {
clear: left;
display: none;
}
h2 {
border-bottom: solid #02aaf1 2px;
width: 200px;
height: 25px;
margin: 0;
float: left;
text-align: center;
font-size: 16px;
}
.selected {
color: #FFFFFF;
background-color: #02aaf1;
}
.show {
clear: left;
display: block;
}
.hidden {
display: none;
}
.new-btn-login-sp {
padding: 1px;
display: inline-block;
width: 75%;
}
.new-btn-login {
background-color: #02aaf1;
color: #FFFFFF;
font-weight: bold;
border: none;
width: 100%;
height: 30px;
border-radius: 5px;
font-size: 16px;
}
#main {
width: 100%;
margin: 0 auto;
font-size: 14px;
}
.red-star {
color: #f00;
width: 10px;
display: inline-block;
}
.null-star {
color: #fff;
}
.content {
margin-top: 5px;
}
.content dt {
width: 100px;
display: inline-block;
float: left;
margin-left: 20px;
color: #666;
font-size: 13px;
margin-top: 8px;
}
.content dd {
margin-left: 120px;
margin-bottom: 5px;
}
.content dd input {
width: 85%;
height: 28px;
border: 0;
-webkit-border-radius: 0;
-webkit-appearance: none;
}
#foot {
margin-top: 10px;
position: absolute;
bottom: 15px;
width: 100%;
}
.foot-ul {
width: 100%;
}
.foot-ul li {
width: 100%;
text-align: center;
color: #666;
}
.note-help {
color: #999999;
font-size: 12px;
line-height: 130%;
margin-top: 5px;
width: 100%;
display: block;
}
#btn-dd {
margin: 20px;
text-align: center;
}
.foot-ul {
width: 100%;
}
.one_line {
display: block;
height: 1px;
border: 0;
border-top: 1px solid #eeeeee;
width: 100%;
margin-left: 20px;
}
.am-header {
display: -webkit-box;
display: -ms-flexbox;
display: box;
width: 100%;
position: relative;
padding: 7px 0;
-webkit-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
background: #1D222D;
height: 50px;
text-align: center;
-webkit-box-pack: center;
-ms-flex-pack: center;
box-pack: center;
-webkit-box-align: center;
-ms-flex-align: center;
box-align: center;
}
.am-header h1 {
-webkit-box-flex: 1;
-ms-flex: 1;
box-flex: 1;
line-height: 18px;
text-align: center;
font-size: 18px;
font-weight: 300;
color: #fff;
}
</style>
</head>
<body text=#000000 bgColor="#ffffff" leftMargin=0 topMargin=4>
<header class="am-header">
<h1>支付宝电脑网站支付体验入口页</h1>
</header>
<div id="main">
<div id="tabhead" class="tab-head">
<h2 id="tab1" class="selected" name="tab">付 款</h2>
<h2 id="tab2" name="tab">交 易 查 询</h2>
<h2 id="tab3" name="tab">退 款</h2>
<h2 id="tab4" name="tab">退 款 查 询</h2>
<h2 id="tab5" name="tab">交 易 关 闭</h2>
</div>
<form name=alipayment action=/ali/pay method=post
target="_blank">
<div id="body1" class="show" name="divcontent">
<dl class="content">
<dt>商户订单号 ：</dt>
<dd>
<input id="WIDout_trade_no" name="WIDout_trade_no" />
</dd>
<hr class="one_line">
<dt>订单名称 ：</dt>
<dd>
<input id="WIDsubject" name="WIDsubject" />
</dd>
<hr class="one_line">
<dt>付款金额 ：</dt>
<dd>
<input id="WIDtotal_amount" name="WIDtotal_amount" />
</dd>
<hr class="one_line">
<dt>商品描述：</dt>
<dd>
<input id="WIDbody" name="WIDbody" />
</dd>
<hr class="one_line">
<dt></dt>
<dd id="btn-dd">
<span class="new-btn-login-sp">
<button class="new-btn-login" type="submit"
style="text-align: center;">付 款</button>
</span> <span class="note-help">如果您点击“付款”按钮，即表示您同意该次的执行操作。</span>
</dd>
</dl>
</div>
</form>
<form name=tradequery action=/ali/query method=post
target="_blank">
<div id="body2" class="tab-content" name="divcontent">
<dl class="content">
<dt>商户订单号 ：</dt>
<dd>
<input id="WIDTQout_trade_no" name="WIDTQout_trade_no" />
</dd>
<hr class="one_line">
<dt>支付宝交易号 ：</dt>
<dd>
<input id="WIDTQtrade_no" name="WIDTQtrade_no" />
</dd>
<hr class="one_line">
<dt></dt>
<dd id="btn-dd">
<span class="new-btn-login-sp">
<button class="new-btn-login" type="submit"
style="text-align: center;">交 易 查 询</button>
</span> <span class="note-help">商户订单号与支付宝交易号二选一，如果您点击“交易查询”按钮，即表示您同意该次的执行操作。</span>
</dd>
</dl>
</div>
</form>
<form name=traderefund action=/ali/refund method=post
target="_blank">
<div id="body3" class="tab-content" name="divcontent">
<dl class="content">
<dt>商户订单号 ：</dt>
<dd>
<input id="WIDTRout_trade_no" name="WIDTRout_trade_no" />
</dd>
<hr class="one_line">
<dt>支付宝交易号 ：</dt>
<dd>
<input id="WIDTRtrade_no" name="WIDTRtrade_no" />
</dd>
<hr class="one_line">
<dt>退款金额 ：</dt>
<dd>
<input id="WIDTRrefund_amount" name="WIDTRrefund_amount" />
</dd>
<hr class="one_line">
<dt>退款原因 ：</dt>
<dd>
<input id="WIDTRrefund_reason" name="WIDTRrefund_reason" />
</dd>
<hr class="one_line">
<dt>退款请求号 ：</dt>
<dd>
<input id="WIDTRout_request_no" name="WIDTRout_request_no" />
</dd>
<hr class="one_line">
<dt></dt>
<dd id="btn-dd">
<span class="new-btn-login-sp">
<button class="new-btn-login" type="submit"
style="text-align: center;">退 款</button>
</span> <span class="note-help">商户订单号与支付宝交易号二选一，如果您点击“退款”按钮，即表示您同意该次的执行操作。</span>
</dd>
</dl>
</div>
</form>
<form name=traderefundquery
action=/ali/refundQuery method=post
target="_blank">
<div id="body4" class="tab-content" name="divcontent">
<dl class="content">
<dt>商户订单号 ：</dt>
<dd>
<input id="WIDRQout_trade_no" name="WIDRQout_trade_no" />
</dd>
<hr class="one_line">
<dt>支付宝交易号 ：</dt>
<dd>
<input id="WIDRQtrade_no" name="WIDRQtrade_no" />
</dd>
<hr class="one_line">
<dt>退款请求号 ：</dt>
<dd>
<input id="WIDRQout_request_no" name="WIDRQout_request_no" />
</dd>
<hr class="one_line">
<dt></dt>
<dd id="btn-dd">
<span class="new-btn-login-sp">
<button class="new-btn-login" type="submit"
style="text-align: center;">退 款 查 询</button>
</span> <span class="note-help">商户订单号与支付宝交易号二选一，如果您点击“退款查询”按钮，即表示您同意该次的执行操作。</span>
</dd>
</dl>
</div>
</form>
<form name=tradeclose action=/ali/close method=post
target="_blank">
<div id="body5" class="tab-content" name="divcontent">
<dl class="content">
<dt>商户订单号 ：</dt>
<dd>
<input id="WIDTCout_trade_no" name="WIDTCout_trade_no" />
</dd>
<hr class="one_line">
<dt>支付宝交易号 ：</dt>
<dd>
<input id="WIDTCtrade_no" name="WIDTCtrade_no" />
</dd>
<hr class="one_line">
<dt></dt>
<dd id="btn-dd">
<span class="new-btn-login-sp">
<button class="new-btn-login" type="submit"
style="text-align: center;">交 易 关 闭</button>
</span> <span class="note-help">商户订单号与支付宝交易号二选一，如果您点击“交易关闭”按钮，即表示您同意该次的执行操作。</span>
</dd>
</dl>
</div>
</form>
<div id="foot">
<ul class="foot-ul">
<li>支付宝版权所有 2015-2018 ALIPAY.COM</li>
</ul>
</div>
</div>
</body>
<script language="javascript">
var tabs = document.getElementsByName('tab');
var contents = document.getElementsByName('divcontent');
(function changeTab(tab) {
for(var i = 0, len = tabs.length; i < len; i++) {
tabs[i].onmouseover = showTab;
}
})();
function showTab() {
for(var i = 0, len = tabs.length; i < len; i++) {
if(tabs[i] === this) {
tabs[i].className = 'selected';
contents[i].className = 'show';
} else {
tabs[i].className = '';
contents[i].className = 'tab-content';
}
}
}
function GetDateNow() {
var vNow = new Date();
var sNow = "";
sNow += String(vNow.getFullYear());
sNow += String(vNow.getMonth() + 1);
sNow += String(vNow.getDate());
sNow += String(vNow.getHours());
sNow += String(vNow.getMinutes());
sNow += String(vNow.getSeconds());
sNow += String(vNow.getMilliseconds());
document.getElementById("WIDout_trade_no").value = sNow;
document.getElementById("WIDsubject").value = "测试";
document.getElementById("WIDtotal_amount").value = "0.01";
}
GetDateNow();
</script>
</html>四、Java后台代码
1.导入依赖jar 和 springboot的yml文件配置
// 支付宝接口 所需SDK
implementation 'com.alipay.sdk:alipay-sdk-java:4.10.145.ALL'spring:
resources:
static-locations: classpath:/META-INF/resources/, classpath:/resources/, classpath:/static/, classpath:/public/, classpath:/templates/2.支付宝配置类
填写公钥和私钥时 不要换行！
package com.alipay.config;
import java.io.FileWriter;
import java.io.IOException;
/* *
*类名：AlipayConfig
*功能：基础配置类
*详细：设置帐户有关信息及返回路径
*修改日期：2017-04-05
*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。
*该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
*/
public class AlipayConfig {
//↓↓↓↓↓↓↓↓↓↓请在这里配置您的基本信息↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
// 应用ID,您的APPID，收款账号既是您的APPID对应支付宝账号
public static String app_id = "";
// 商户私钥，您的PKCS8格式RSA2私钥
public static String merchant_private_key = ""
// 支付宝公钥,查看地址：https://openhome.alipay.com/platform/keyManage.htm 对应APPID下的支付宝公钥。
public static String alipay_public_key = ""
// 服务器异步通知页面路径 需http://格式的完整路径，不能加?id=123这类自定义参数，必须外网可以正常访问
public static String notify_url = "http://localhost:7070/ali/notify";
// 页面跳转同步通知页面路径 需http://格式的完整路径，不能加?id=123这类自定义参数，必须外网可以正常访问
public static String return_url = "http://localhost:7070/ali/returnUrl";
// 签名方式
public static String sign_type = "RSA2";
// 字符编码格式
public static String charset = "utf-8";
// 支付宝网关
public static String gatewayUrl = "https://openapi.alipaydev.com/gateway.do";
// 支付宝网关
public static String log_path = "C:\\";
//↑↑↑↑↑↑↑↑↑↑请在这里配置您的基本信息↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
/**
* 写日志，方便测试（看网站需求，也可以改成把记录存入数据库）
* @param sWord 要写入日志里的文本内容
*/
public static void logResult(String sWord) {
FileWriter writer = null;
try {
writer = new FileWriter(log_path + "alipay_log_" + System.currentTimeMillis()+".txt");
writer.write(sWord);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}3.后台业务类代码
package com.zx.cargo.zhifubao;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.*;
import jdk.nashorn.internal.ir.RuntimeNode;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* 支付宝请求接口
*/
@RestController
@RequestMapping("/ali")
public class payment {
/**
* 交易方法
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/pay")
public void pay(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(com.alipay.config.AlipayConfig.gatewayUrl, com.alipay.config.AlipayConfig.app_id, com.alipay.config.AlipayConfig.merchant_private_key, "json", com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.sign_type);
//设置请求参数
AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
alipayRequest.setReturnUrl(com.alipay.config.AlipayConfig.return_url);
alipayRequest.setNotifyUrl(com.alipay.config.AlipayConfig.notify_url);
//商户订单号，商户网站订单系统中唯一订单号，必填
String out_trade_no = new String(request.getParameter("WIDout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//付款金额，必填
String total_amount = new String(request.getParameter("WIDtotal_amount").getBytes("ISO-8859-1"),"UTF-8");
//订单名称，必填
String subject = new String(request.getParameter("WIDsubject").getBytes("ISO-8859-1"),"UTF-8");
//商品描述，可空
String body = new String(request.getParameter("WIDbody").getBytes("ISO-8859-1"),"UTF-8");
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+ "\"total_amount\":\""+ total_amount +"\","
+ "\"subject\":\""+ subject +"\","
+ "\"body\":\""+ body +"\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
//若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
//alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
// + "\"total_amount\":\""+ total_amount +"\","
// + "\"subject\":\""+ subject +"\","
// + "\"body\":\""+ body +"\","
// + "\"timeout_express\":\"10m\","
// + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
//请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节
//请求
String result = alipayClient.pageExecute(alipayRequest).getBody();
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.write(result.getBytes());
}
/**
* 订单查询
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/query")
public void query(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(com.alipay.config.AlipayConfig.gatewayUrl, com.alipay.config.AlipayConfig.app_id, com.alipay.config.AlipayConfig.merchant_private_key, "json", com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.sign_type);
//设置请求参数
AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();
//商户订单号，商户网站订单系统中唯一订单号
String out_trade_no = new String(request.getParameter("WIDTQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("WIDTQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//请二选一设置
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","+"\"trade_no\":\""+ trade_no +"\"}");
//请求
String result = alipayClient.execute(alipayRequest).getBody();
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.write(result.getBytes());
}
/**
* 订单退款
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/refund")
public void refund(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(com.alipay.config.AlipayConfig.gatewayUrl, com.alipay.config.AlipayConfig.app_id, com.alipay.config.AlipayConfig.merchant_private_key, "json", com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.sign_type);
//设置请求参数
AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();
//商户订单号，商户网站订单系统中唯一订单号
String out_trade_no = new String(request.getParameter("WIDTRout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("WIDTRtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//请二选一设置
//需要退款的金额，该金额不能大于订单金额，必填
String refund_amount = new String(request.getParameter("WIDTRrefund_amount").getBytes("ISO-8859-1"),"UTF-8");
//退款的原因说明
String refund_reason = new String(request.getParameter("WIDTRrefund_reason").getBytes("ISO-8859-1"),"UTF-8");
//标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传
String out_request_no = new String(request.getParameter("WIDTRout_request_no").getBytes("ISO-8859-1"),"UTF-8");
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+ "\"trade_no\":\""+ trade_no +"\","
+ "\"refund_amount\":\""+ refund_amount +"\","
+ "\"refund_reason\":\""+ refund_reason +"\","
+ "\"out_request_no\":\""+ out_request_no +"\"}");
//请求
String result = alipayClient.execute(alipayRequest).getBody();
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.write(result.getBytes());
}
/**
* 订单退款查询
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/refundQuery")
public void refundQuery(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(com.alipay.config.AlipayConfig.gatewayUrl, com.alipay.config.AlipayConfig.app_id, com.alipay.config.AlipayConfig.merchant_private_key, "json", com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.sign_type);
//设置请求参数
AlipayTradeFastpayRefundQueryRequest alipayRequest = new AlipayTradeFastpayRefundQueryRequest();
//商户订单号，商户网站订单系统中唯一订单号
String out_trade_no = new String(request.getParameter("WIDRQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("WIDRQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//请二选一设置
//请求退款接口时，传入的退款请求号，如果在退款请求时未传入，则该值为创建交易时的外部交易号，必填
String out_request_no = new String(request.getParameter("WIDRQout_request_no").getBytes("ISO-8859-1"),"UTF-8");
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+"\"trade_no\":\""+ trade_no +"\","
+"\"out_request_no\":\""+ out_request_no +"\"}");
//请求
String result = alipayClient.execute(alipayRequest).getBody();
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.write(result.getBytes());
}
/**
* 订单关闭
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/close")
public void close(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(com.alipay.config.AlipayConfig.gatewayUrl, com.alipay.config.AlipayConfig.app_id, com.alipay.config.AlipayConfig.merchant_private_key, "json", com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.sign_type);
//设置请求参数
AlipayTradeCloseRequest alipayRequest = new AlipayTradeCloseRequest();
//商户订单号，商户网站订单系统中唯一订单号
String out_trade_no = new String(request.getParameter("WIDTCout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("WIDTCtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//请二选一设置
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," +"\"trade_no\":\""+ trade_no +"\"}");
//请求
String result = alipayClient.execute(alipayRequest).getBody();
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.write(result.getBytes());
}
/**
* 异步通知
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/notify")
public void notify(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获取支付宝POST过来反馈信息
Map<String,String> params = new HashMap<String,String>();
Map<String,String[]> requestParams = request.getParameterMap();
for (Iterator<String> 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] + ",";
}
//乱码解决，这段代码在出现乱码时使用
valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
params.put(name, valueStr);
}
boolean signVerified = AlipaySignature.rsaCheckV1(params, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.sign_type); //调用SDK验证签名
//——请在这里编写您的程序（以下代码仅作参考）——
/* 实际验证过程建议商户务必添加以下校验：
1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
4、验证app_id是否为该商户本身。
*/
if(signVerified) {//验证成功
//商户订单号
String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
//交易状态
String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");
if(trade_status.equals("TRADE_FINISHED")){
//判断该笔订单是否在商户网站中已经做过处理
//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
//如果有做过处理，不执行商户的业务程序
//注意：
//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
}else if (trade_status.equals("TRADE_SUCCESS")){
//判断该笔订单是否在商户网站中已经做过处理
//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
//如果有做过处理，不执行商户的业务程序
//注意：
//付款完成后，支付宝系统发送该交易状态通知
}
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.println("success");
}else {//验证失败
//输出
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.println("fail");
//调试用，写文本函数记录程序运行情况是否正常
//String sWord = AlipaySignature.getSignCheckContentV1(params);
//AlipayConfig.logResult(sWord);
}
//——请在这里编写您的程序（以上代码仅作参考）——
}
/**
* 同步通知
* @param request
* @param response
* @throws Exception
*/
@RequestMapping("/returnUrl")
public void returnUrl(HttpServletRequest request, HttpServletResponse response) throws Exception{
//获取支付宝GET过来反馈信息
Map<String,String> params = new HashMap<String,String>();
Map<String,String[]> requestParams = request.getParameterMap();
for (Iterator<String> 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] + ",";
}
//乱码解决，这段代码在出现乱码时使用
valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
params.put(name, valueStr);
}
boolean signVerified = AlipaySignature.rsaCheckV1(params, com.alipay.config.AlipayConfig.alipay_public_key, com.alipay.config.AlipayConfig.charset, com.alipay.config.AlipayConfig.sign_type); //调用SDK验证签名
//——请在这里编写您的程序（以下代码仅作参考）——
if(signVerified) {
//商户订单号
String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//支付宝交易号
String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
//付款金额
String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.println("trade_no:"+trade_no+"<br/>out_trade_no:"+out_trade_no+"<br/>total_amount:"+total_amount);
}else {
response.setContentType("text/html; charset=utf-8");
response.setCharacterEncoding("utf-8");
ServletOutputStream out = response.getOutputStream();
out.println("验签失败");
}
}
}
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