springMVC中使用支付宝支付，沙箱环境
之前的一篇博客已经介绍过了支付宝的官方Demo，
支付宝沙箱环境测试
把Demo放到springMVC环境下
引入依赖
org.apache.commons commons-logging 1.1.1
com.alipay.sdk alipay-sdk-java 4.7.1.ALL
com.alibaba fastjson 1.2.60
org.bouncycastle bcprov-jdk15on 1.63
把Demo中的已经填好数据的AlipayConfig类拿过来放到新建的config包中
index.jsp页面拿过来放到自己指定的springMVC的jsp文件存放路径下
我这里是
随便写一个controller用于跳转到index页面
新建一个controller 名为AlipayDemo
内容如下，支付、交易查询、退款、退款查询、交易关闭都在这里。
package com.vhukze.controller;import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradeCloseRequest;
import com.alipay.api.request.AlipayTradeFastpayRefundQueryRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.vhukze.config.AlipayConfig;/**
* @author zsz
* @version
* @创建时间：2019年9月17日 上午9:25:58
*/
@RestController
@RequestMapping("alipay")
public class AlipayDemo {/*** @author zsz* @编辑时间 2019年9月17日下午1:06:15* @编辑说明 支付* @param WIDout_trade_no* @param WIDtotal_amount* @param WIDsubject* @param WIDbody* @return* @throws AlipayApiException* @throws IOException*/@RequestMapping("pay")public ModelAndView pay(String WIDout_trade_no,String WIDtotal_amount,String WIDsubject,String WIDbody) throws AlipayApiException, IOException {//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);//设置请求参数AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();alipayRequest.setReturnUrl(AlipayConfig.return_url);alipayRequest.setNotifyUrl(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(WIDout_trade_no.getBytes("ISO-8859-1"),"UTF-8");//付款金额，必填String total_amount = new String(WIDtotal_amount.getBytes("ISO-8859-1"),"UTF-8");//订单名称，必填String subject = new String(WIDsubject.getBytes("ISO-8859-1"),"UTF-8");//商品描述，可空String body = new String(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ModelAndView mv = new ModelAndView("temp");//请求String result = alipayClient.pageExecute(alipayRequest).getBody();mv.addObject("result",result);return mv;}/*** @author zsz* @编辑时间 2019年9月17日下午1:09:06* @编辑说明 交易查询* @param request* @return* @throws AlipayApiException* @throws UnsupportedEncodingException*/@RequestMapping("query")public ModelAndView query(HttpServletRequest request) throws AlipayApiException, UnsupportedEncodingException {ModelAndView mv = new ModelAndView("temp");//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, 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();mv.addObject("result",result);return mv;}/*** @author zsz* @编辑时间 2019年9月17日下午2:01:09* @编辑说明 退款* @param request* @return* @throws AlipayApiException * @throws UnsupportedEncodingException */@RequestMapping("refund")public ModelAndView refund(HttpServletRequest request) throws AlipayApiException, UnsupportedEncodingException {ModelAndView mv = new ModelAndView("temp");//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, 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();mv.addObject("result", result);return mv;}/*** @author zsz* @编辑时间 2019年9月17日下午3:12:45* @编辑说明 退款查询* @param request* @return* @throws UnsupportedEncodingException * @throws AlipayApiException */@RequestMapping("refundQuery")public ModelAndView refundQuery(HttpServletRequest request) throws UnsupportedEncodingException, AlipayApiException {ModelAndView mv = new ModelAndView("temp");//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, 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();mv.addObject("result",result);return mv;}/*** @author zsz* @编辑时间 2019年9月17日下午3:25:24* @编辑说明 交易关闭* @param request* @return* @throws UnsupportedEncodingException * @throws AlipayApiException */@RequestMapping("close")public ModelAndView close(HttpServletRequest request) throws UnsupportedEncodingException, AlipayApiException {ModelAndView mv = new ModelAndView("temp");//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, 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();mv.addObject("result",result);return mv;}@RequestMapping("return_url")public ModelAndView return_url(HttpServletRequest request) throws UnsupportedEncodingException, AlipayApiException {ModelAndView mv = new ModelAndView("return_url");Map params = new HashMap();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] + ",";}//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, AlipayConfig.alipay_public_key, AlipayConfig.charset, 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");mv.addObject("trade_no", trade_no);mv.addObject("out_trade_no", out_trade_no);mv.addObject("total_amount", total_amount);}return mv;}@RequestMapping("notify_url")public ModelAndView notify_url(HttpServletRequest request) throws UnsupportedEncodingException, AlipayApiException {ModelAndView mv = new ModelAndView("notify_url");//获取支付宝POST过来反馈信息Map params = new HashMap();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] + ",";}//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, AlipayConfig.alipay_public_key, AlipayConfig.charset, 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}mv.addObject("result", "success");}else {//验证失败mv.addObject("result", "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);}return mv;}
} 每个方法的返回值都是ModelAndView，我这里新建了一个temp.jsp页面，都去这个页面显示数据了。支付宝这几个接口返回的数据result，支付接口返回的result是一个HTML字符串，里面有一个表单一句JS脚本用来提交表单。其他接口的是json串。我直接显示在页面上了。
index页面的表单action路径，由于我这里转发到index页面的路径是user/fun。是user下面的，所以去上层目录找alipay接口
比如支付这里支付这里我写的是../alipay/pay，其他的也是这样写。
temp.jsp 页面只有一句<%=request.getAttribute("result") %>
return_url.jsp 页面
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%>
Insert title here
<%String trade_no = (String)request.getAttribute("trade_no");String out_trade_no = (String)request.getAttribute("out_trade_no");String total_amount = (String)request.getAttribute("total_amount");if(trade_no == null && out_trade_no == null && total_amount == null){
%>验证失败
<%}out.println("商户订单号："+trade_no);out.println("支付宝交易号："+out_trade_no);out.println("付款金额："+total_amount);
%>
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