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java(服务器端)调用支付宝和微信支付功能

时间:2021-11-17 02:52:09

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java(服务器端)调用支付宝和微信支付功能

之前发过这篇文章,但没有排版,今天重新整理了一下

最近项目上用到了调用微信和支付宝的第三方支付接口,因为以前没用过,所以这次用到了之后总结一下分享给大家,这里介绍两种支付方式,即app支付和扫码支付方式。

一、app支付(这里只介绍java端调用支付,安卓或ios端自己参考相关的调用文档)

首先可以看一看项目支付流程(图解)

1.在页面上选择支付方式(微信或支付宝)

2.由相应的客户端调用相应的支付方式进入相应的支付页面(安卓或ios调用支付接口并进入微信或支付宝支付页面,显示支付的信息)

3.输入密码进行支付

4.调用支付结果接口,来返回支付成功与否

四图分别是选择支付方式、微信支付页面、支付宝支付页面、微信支付结果(成功)页面

也是基本的支付三个步骤。

一、先看微信支付:

在调用微信支付之前你应该已经下单成功(即订单信息入库成功),这里需要几个值:

OrderName(订单名称),orderNumber(订单编号,唯一),amount(金额), prepayId(交易会话id)

前三个参数直接从数据库里获取。prepayid是什么?可以具体看微信支付文档,我们可以从下单接口中返回获得这个会话id并且需要入库,这个参数最重要的作用是用于第一次我们没有支付,但已经生成了一个待支付的订单。这种情况下我们不需要再次去调用下单接口返回prepayId,因为我们已经生成过了这个值

下面看手机端jsp页面的js代码:

//在页面选择微信,点击确认支付 functionwxPay(outTradeNo){ varorderType="0";//路线订单 $.ajax({ url:'<%=basePath%>client/travel/getWXClientPayInfo.do?outTradeNo='+outTradeNo+'&orderType='+orderType, cache:false, type:"get", success:function(data) { if(data!=null){ data=jQuery.parseJSON(data); varu=navigator.userAgent; varisAndroid=u.indexOf('Android')>-1||u.indexOf('Adr')>-1;//android终端 varisiOS=!!u.match(/\(i[^;]+;(U;)?CPU.+MacOSX/);//ios终端 if(isAndroid){ ClientInterface.pay(outTradeNo,data.prepayid,data.noncestr,data.timestamp,data.sign,orderType); }elseif(isiOS){ window.location.href='http://localhost/pay/'+outTradeNo+';'+data.prepayid+";"+data.noncestr+";"+data.timestamp+";"+data.sign+";"+orderType; } } } }); }

这里outTradeNo即是唯一的订单编号,orderType是自己定义的订单类型,这里的ajax就是根据这两个参数去后台去操作下单,然后返回必要的参数给安卓或ios调用

然后看后台的这个方法:

/**获取微信客户端支付信息 如 签名 随机数等* @param page* @throws Exception*/@RequestMapping(value="/getWXClientPayInfo")@ResponseBodypublic String getWeixinPayInfo(HttpServletRequest request) throws Exception{String orderNumber = request.getParameter("outTradeNo");String orderType = request.getParameter("orderType");Map<String, Object> map=new HashMap<String, Object>();map.put("orderNumber", orderNumber);map.put("type", orderType);//获取订单信息Map<String, Object> orderMap=travelOrderService.getOrderInfoByOrderType(map);String amount="";String prepayId="";if(null!=orderMap&&orderMap.size()>0){if(orderMap.containsKey("amount")){amount=orderMap.get("amount").toString();}if(orderMap.containsKey("prepayId")){prepayId=orderMap.get("prepayId").toString();}}//获取微信支付会话idif("".equals(prepayId)){Float totalMoney=Float.valueOf(amount);totalMoney=totalMoney*100;int totalFee=totalMoney.intValue();String money=String.valueOf(totalFee);String xmlStr=WeixinPayUtil.add(orderNumber,money,orderType); //获得会话IDMap<String, Object> m=new HashMap<String, Object>();Document doc = DocumentHelper.parseText(xmlStr); Element rootElement = doc.getRootElement(); XmlToBean.ele2map(m,rootElement);String str="";if(m.containsKey("prepay_id")){str=m.get("prepay_id").toString();str=str.replace("{prepay_id=", "");str=str.substring(0,str.length()-1);}prepayId=str;map.put("prepayId", prepayId);travelOrderService.updateOrderInfoByType(map);}//转成sortedMap,微信支付后台生成sign需要排序过的mapSortedMap<String,Object> sort=new TreeMap<String,Object>();String partnerid = sysparam.getStringParamByKey("c.wxpay.partnerid");//相关参数,可以定义一个Map做成动态的sort.put("appid", sysparam.getStringParamByKey("c.wxpay.appid"));sort.put("partnerid", partnerid);sort.put("prepayid",prepayId);sort.put("package", "Sign=WXPay");String noncestr = RandomUtil.CreateRandom(32);sort.put("noncestr", noncestr);String timestamp = String.valueOf(System.currentTimeMillis());timestamp = timestamp.substring(0,timestamp.length()-3);sort.put("timestamp", timestamp);String securit = sysparam.getStringParamByKey("c.wxpay.secret");//生成signString sign=WeixinSignUtil.createSign("UTF-8", sort,securit);Map<String,Object> resultParam = new HashMap<String, Object>();resultParam.put("timestamp", timestamp);resultParam.put("noncestr", noncestr);resultParam.put("sign", sign);resultParam.put("prepayid", prepayId);return JsonUtil.Object2JsonSting(resultParam);}

这里需要注意的是

StringxmlStr=WeixinPayUtil.add(orderNumber,money,orderType); //获得会话ID

这个add方法即微信的下单接口,返回的xmlStr是xml格式的字符串,进行解析后,得出来perpayid入库。这里的money即金额,必须以分为单位!

依次参考下单接口:

//统一下单 (

orderType

0:线路订单 1:景点 2:酒店 3:商城 4:vip升级) public static String add(String orderNo,String TotalMoney,String orderType) throws Exception { URL postUrl = new URL("https://api.mch./pay/unifiedorder"); SysParamServiceImpl systemParam = (SysParamServiceImpl)SpringContextHolder.getBean(SysParamServiceImpl.class);HttpsURLConnection con = (HttpsURLConnection) postUrl.openConnection();//打开连接 con.setRequestMethod("POST");//post方式提交 con.setDoOutput(true);//打开读写属性,默认均为false con.setDoInput(true); con.setUseCaches(false);//Post请求不能使用缓存 con.setInstanceFollowRedirects(true);DataOutputStream out = new DataOutputStream(con.getOutputStream()); Map<String, Object> vo = new HashMap<String, Object>(); //相关参数,可以定义一个Map做成动态的 vo.put("appid", systemParam.getStringParamByKey("c.wxpay.appid")); vo.put("attach", "支付测试"); vo.put("body", "APP应用支付");vo.put("mch_id", systemParam.getStringParamByKey("c.wxpay.partnerid")); vo.put("nonce_str", RandomUtil.CreateRandom(32)); String notifyUrl=systemParam.getStringParamByKey("sys.domain"); notifyUrl=notifyUrl+"/interface/wxpay/"+orderType; //调用微信下发通知的接口 vo.put("notify_url",notifyUrl); vo.put("out_trade_no", orderNo); vo.put("spbill_create_ip", "14.23.150.211"); vo.put("total_fee", TotalMoney); vo.put("trade_type", "APP"); //转成sortedMap,微信支付后台生成sign需要排序过的map SortedMap<String,Object> sort=new TreeMap<String,Object>(vo); Stringsecrit = systemParam.getStringParamByKey("c.wxpay.secret"); //生成sign String sign=WeixinSignUtil.createSign("UTF-8", sort,secrit); //把sign放入map中 vo.put("sign", sign); org.dom4j.Document doc = DocumentHelper.createDocument(); Element body = DocumentHelper.createElement("xml");XmlUtil.buildMap2xmlBody(body,vo); doc.add(body); //发送请求 out.writeUTF(doc.asXML()); System.out.println(doc.asXML()); out.flush(); out.close(); //接收数据 BufferedReader reader = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8")); String line;StringBuffer responseText = new StringBuffer(); while ((line = reader.readLine()) != null) { responseText.append(line).append("\r\n"); } reader.close(); con.disconnect(); return responseText.toString()+""; }

这里需要几个微信支付所需要的开发者账号信息,包括appid,微信支付商户号:partnerid,微信支付密码:

secret这些是商户申请微信app支付的信息提供给我们开发者,还有nonce_str参数需要配置我们自己定义的一个请求

该请求会在支付完成后,微信会主动根据这个请求来返回结果给我们。而且必须是外网,内网调不通

最后一步就是支付之后,微信会调用我们配置的nonce_str这个请求返回xml格式的结果给我们

@RequestMapping(value = "/interface/wxpay/{orderType}", produces = "text/html;charset=UTF-8")@ResponseBodypublic String getWeixinPayResult(HttpServletRequest request,HttpServletResponse response)throws IOException{try{String reqcontent = getRequestContent(request);interfaceLogger.info("################### ################# WeiXinPayResultInterface::getWeixinPayResult,request msg:"+ reqcontent);ResponseHandler resHandler = new ResponseHandler(request, response);// 创建请求对象// RequestHandler queryReq = new RequestHandler(request, response);String type = request.getParameter("orderType"); // 获取订单类型// queryReq.init();String securit = sysParam.getStringParamByKey("c.wxpay.secret");if (resHandler.getParameter("sign").equals(WeixinSignUtil.createSign("utf-8",resHandler.getAllParameters(), securit))){// 商户订单号String out_trade_no = resHandler.getParameter("out_trade_no");String totalFee = resHandler.getParameter("total_fee");System.out.println("out_trade_no:" + out_trade_no);Map<String, Object> map = new HashMap<String, Object>();String result_code = resHandler.getParameter("result_code");if (result_code.equals("SUCCESS")){// 新增到支付流水表System.out.println("########### **************** totalFee1 #########:"+ totalFee);String serialno = RandomUtil.CreateRandom(32); // 生成支付流水map.put("serialno", serialno);map.put("totalFee", totalFee);map.put("orderNumber", out_trade_no);map.put("payWay", "2"); // 微信支付if ("0" == type || "0".equals(type)){// 路线订单travelOrderService.addPayLog(map);travelOrderService.updateOrderPayFlagAndSerialno(map); // 修改支付状态}}else{return resHandler.getParameter("err_code_des");}// 财付通订单号String transaction_id = resHandler.getParameter("transaction_id");System.out.println("transaction_id:" + transaction_id);// 金额,以分为单位String total_fee = resHandler.getParameter("total_fee");// 如果有使用折扣券,discount有值,total_fee+discount=原请求的total_feeString discount = resHandler.getParameter("discount");System.out.println("----------------业务逻辑执行-----------------");// ——请根据您的业务逻辑来编写程序(以上代码仅作参考)——System.out.println("----------------业务逻辑执行完毕-----------------");System.out.println("success"); // 请不要修改或删除System.out.println("即时到账支付成功");// 给财付通系统发送成功信息,财付通系统收到此结果后不再进行后续通知resHandler.sendToCFT("success");// 给微信服务器返回success 否则30分钟通知8次return "success";}else{System.out.println("通知签名验证失败");resHandler.sendToCFT("fail");response.setCharacterEncoding("utf-8");return "FAIL";}}catch (Exception e){return "FAIL";}}

这是微信调用我们定义的请求来主动返回支付结果,但我们也可以写接口主动调用微信来获取订单信息

这里需要ios或者安卓调用我们java后台写的接口来获取支付结果:@RequestMapping(value = "/interface/wxpay/{orderType}", produces = "text/html;charset=UTF-8")

@ResponseBody

public String getWeixinPayResult(HttpServletRequest request,

HttpServletResponse response)

throws IOException

{

try

{

String reqcontent = getRequestContent(request);

interfaceLogger

.info("################### ################# WeiXinPayResultInterface::getWeixinPayResult,request msg:"

+ reqcontent);

ResponseHandler resHandler = new ResponseHandler(request, response);

// 创建请求对象

// RequestHandler queryReq = new RequestHandler(request, response);

String type = request.getParameter("orderType"); // 获取订单类型

// queryReq.init();

String securit = sysParam.getStringParamByKey("c.wxpay.secret");

if (resHandler.getParameter("sign").equals(

WeixinSignUtil.createSign("utf-8",

resHandler.getAllParameters(), securit)))

{

// 商户订单号

String out_trade_no = resHandler.getParameter("out_trade_no");

String totalFee = resHandler.getParameter("total_fee");

System.out.println("out_trade_no:" + out_trade_no);

Map<String, Object> map = new HashMap<String, Object>();

String result_code = resHandler.getParameter("result_code");

if (result_code.equals("SUCCESS"))

{

// 新增到支付流水表

System.out

.println("########### **************** totalFee1 #########:"

+ totalFee);

String serialno = RandomUtil.CreateRandom(32); // 生成支付流水

map.put("serialno", serialno);

map.put("totalFee", totalFee);

map.put("orderNumber", out_trade_no);

map.put("payWay", "2"); // 微信支付

if ("0" == type || "0".equals(type))

{// 路线订单

travelOrderService.addPayLog(map);

travelOrderService.updateOrderPayFlagAndSerialno(map); // 修改支付状态

}

}

else

{

return resHandler.getParameter("err_code_des");

}

// 财付通订单号

String transaction_id = resHandler

.getParameter("transaction_id");

System.out.println("transaction_id:" + transaction_id);

// 金额,以分为单位

String total_fee = resHandler.getParameter("total_fee");

// 如果有使用折扣券,discount有值,total_fee+discount=原请求的total_fee

String discount = resHandler.getParameter("discount");

System.out.println("----------------业务逻辑执行-----------------");

// ——请根据您的业务逻辑来编写程序(以上代码仅作参考)——

System.out.println("----------------业务逻辑执行完毕-----------------");

System.out.println("success"); // 请不要修改或删除

System.out.println("即时到账支付成功");

// 给财付通系统发送成功信息,财付通系统收到此结果后不再进行后续通知

resHandler.sendToCFT("success");

// 给微信服务器返回success 否则30分钟通知8次

return "success";

}

else

{

System.out.println("通知签名验证失败");

resHandler.sendToCFT("fail");

response.setCharacterEncoding("utf-8");

return "FAIL";

}

}

catch (Exception e)

{

return "FAIL";

}

}

/*** 4.22客户端微信支付成功后查询后台支付结果接口* * @param req* @param rsp* @return String 返回json字符串 如果有违例,请使用@exception/throws [违例类型]* [违例说明:异常的注释必须说明该异常的含义及什么条件下抛出该* @throws Exception* @see [类、类#方法、类#成员]*/@RequestMapping(value = "/interface/payStatus", method = RequestMethod.POST, produces = "text/html;charset=UTF-8")@ResponseBodypublic String getPayStatus(HttpServletRequest req, HttpServletResponse rsp)throws Exception{Map<String, Object> resultMap = new HashMap<String, Object>();try{URL postUrl = new URL("https://api.mch./pay/orderquery");// 获取请求内容String requestContent = getRequestContent(req);// 日志interfaceLogger.info("request payStatus:" + requestContent);// 解析参数requestParam = parseAndCheckParam(requestContent, resultMap,requestParam, systemParam.getSystemKey());// 校验参数checkStatusParam(resultMap);// 校验token及获取用户信息Map<String, Object> userInfo = checkTokenAndGetUserInfo(tokenService, appuserManager, requestParam, resultMap);String user_id = (String)userInfo.get("userId");String totalFee = (String)requestParam.get("totalFee");String type = (String)requestParam.get("orderType"); // 获取订单类型参数if (null == user_id){resultMap.put("resultCode",ErrorCodeConstants.INVALID_TOKEN_ERROR);}SysParamServiceImpl sysParam = (SysParamServiceImpl)SpringContextHolder.getBean(SysParamServiceImpl.class);HttpsURLConnection con = (HttpsURLConnection)postUrl.openConnection();// 打开连接con.setRequestMethod("POST");// post方式提交con.setDoOutput(true);// 打开读写属性,默认均为falsecon.setDoInput(true);con.setUseCaches(false);// Post请求不能使用缓存con.setInstanceFollowRedirects(true);// DataOutputStream out = new// DataOutputStream(con.getOutputStream());PrintWriter out = new PrintWriter(con.getOutputStream());Map<String, Object> map = new HashMap<String, Object>();// 相关参数,可以定义一个Map做成动态的map.put("appid", sysParam.getStringParamByKey("c.wxpay.appid")); // appIDmap.put("mch_id", sysParam.getStringParamByKey("c.wxpay.partnerid")); // 商户号map.put("nonce_str", RandomUtil.CreateRandom(32)); // 随机数String orderId = requestParam.get("outTradeNo").toString();map.put("out_trade_no", orderId); // 订单号// String mo="3000";// insertMoneyAccounting(orderId,mo); //利润分配// 转成sortedMap,微信支付后台生成sign需要排序过的mapSortedMap<String, Object> sort = new TreeMap<String, Object>(map);String secrit = sysParam.getStringParamByKey("c.wxpay.secret");// 生成signString sign = WeixinSignUtil.createSign("UTF-8", sort, secrit);// 把sign放入map中map.put("sign", sign); // 签名Document doc = DocumentHelper.createDocument();Element body = DocumentHelper.createElement("xml");buildMap2xmlBody(body, map);doc.add(body);// 发送请求// out.writeUTF(doc.asXML());String outStr = doc.asXML();out.print(outStr);System.out.println(doc.asXML());out.flush();out.close();// 接收数据BufferedReader reader = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));String line;StringBuffer responseText = new StringBuffer();while ( (line = reader.readLine()) != null){responseText.append(line).append("\r\n");}reader.close();con.disconnect();String resXml = responseText.toString() + ""; // 获取从微信付款的结果// ,以String类型的xml格式返回System.out.println("result:" + resXml);// 解析xmlMap<String, Object> m = new HashMap<String, Object>();Document d = DocumentHelper.parseText(resXml);Element rootElement = d.getRootElement();XmlToBean.ele2map(m, rootElement);String str = "";if (m.containsKey("trade_state")){str = m.get("trade_state").toString();str = str.replace("{trade_state=", "");str = str.substring(0, str.length() - 1);if ("SUCCESS" == str || "SUCCESS".equals(str)){if ("0".equals(type)) { //支付成功后操作... } }else if ("REFUND" == str || "REFUND".equals(str)){str = "1"; // 转入退款}else if ("NOTPAY" == str || "NOTPAY".equals(str)){str = "2"; // 未支付}else if ("CLOSED" == str || "CLOSED".equals(str)){str = "3"; // 已关闭}else if ("REVOKED" == str || "REVOKED".equals(str)){str = "4"; // 已撤销}else if ("USERPAYING" == str || "USERPAYING".equals(str)){str = "5"; // 用户支付中}else if ("PAYERROR" == str || "PAYERROR".equals(str)){str = "6"; // 支付失败}resultMap.put("status", str);resultMap.put("resultCode",ErrorCodeConstants.RESULT_CODE_SUCCESS);}}catch (Exception e){logger.error("loginOut:system exception!", e);resultMap.clear();resultMap.put("resultCode", ErrorCodeConstants.SYSTEM_ERROR);}interfaceLogger.info("response payStatus:" + resultMap.toString());return JsonUtil.Object2EncodeJsonSting(resultMap,systemParam.getSystemKey());}

requestParam.get("XXX"),XXX是客户端调用我们(java服务器端)接口给我们传的参数,需要给我们totalFee(金额),orderType(订单类型)等然后我们返回支付结果给客户端

二、支付宝支付:支付宝支付流程上和微信支付稍微有所差别,支付宝不需要调用下单结果,但是也需要一个类似于微信prepayId的字段来入库,作用上跟prepayId差不多,名称可以自己定义,我这边暂时为aliPayInfo:首先看jsp页面的js代码:

//选择支付宝,立即支付 function aliPay(outTradeNo){var orderType="0";var info = $("#aliPayInfo").val();//订单信息 var totalAmount = $("#moeny").val();//总金额var orderName = $("#orderName").val();//订单名称//type 0:线路 1:景点 2:酒店 3:商城 4:VIPvar prams = {aliPayInfo : info,type : orderType,orderNumber : outTradeNo,money : totalAmount,orderName : orderName};//先调支付宝确定是否下单 否则返回支付宝会话信息$.ajax({url : '<%=basePath%>client/hotel/foundZFBOrder.do',type : "post",data : prams,cache : false,dataType : "json",success : function(data){//alert("info +===="+data.info);if(data.isSuccess){if(isAndroid){ClientInterface.aliPay(data.info,outTradeNo,orderType,totalAmount);}else if(isiOS){window.location.href='http://localhost/aliPay/'+data.info+';'+outTradeNo+";"+orderType+";"+totalAmount;}}else{var title = "支付宝下单失败";prompt(title);}}, error : function(data){var title = "支付宝下单失败";prompt(title);}});}

页面上的aliPayInfo可以为空,因为第一次去调用支付宝时这个为空,如果不支付,但是还是入库了,需要去数据库里查一下,那么共用这个页面的话aliPayInfo就不为空

然后去后台写这个ajax请求:

@RequestMapping(value="/foundZFBOrder", produces = "application/json;charset=UTF-8")@ResponseBodypublic Map<String, Object> foundZFBOrder(HttpServletRequest request){//支付宝信息String aliPayInfo = request.getParameter("aliPayInfo");//金额String money = request.getParameter("money");//订单名称String orderName = request.getParameter("orderName");//订单编号String orderNumber = request.getParameter("orderNumber");//订单类型(0:线路 1:景点 2:酒店 3:商城 4:VIP)String type = request.getParameter("type");boolean isSuccess = false;//判断是否生成过支付宝信息if(StringUtils.isBlank(aliPayInfo)){//生成支付宝信息aliPayInfo = AliPayUtil.orderInfo(money, orderName, orderNumber, type);//修改表中支付宝信息if(StringUtils.isNotBlank(aliPayInfo)){isSuccess = true;Map<String, Object> map = new HashMap<String, Object>();map.put("aliPayInfo", aliPayInfo);map.put("type", type);map.put("orderNumber", orderNumber);try {travelOrderService.updateOrderInfoByType(map);}catch (Exception e) {e.printStackTrace();}}/** 打印支付宝响应日志 */if (interfaceLogger.isInfoEnabled()) {interfaceLogger.info("[HotelController][foundZFBOrder]ZFB " + table + " result :["+ JSON.toJSONString(aliPayInfo) + "]");}}Map<String, Object> map = new HashMap<String, Object>();map.put("info", aliPayInfo);map.put("isSuccess", isSuccess);return map;}

这里的 aliPayInfo = AliPayUtil.orderInfo(money, orderName, orderNumber, type);

类似于微信的下单接口(aliPayInfo 需要入库),但不是下单接口,因为支付宝支付没有下单接口,详情可以查看支付宝支付文档

下面继续写orderInfo方法:

/*** * @param amount 订单金额* @param subject 订单标题* @param body 订单描述* @param outTradeNo订单号* @return*/public static String orderInfo(String amount,String subject,String outTradeNo,String type) {//获取appidString appId=Const.APPID;Map<String, String> authInfoMap = OrderInfoUtil.buildOrderParamMap(appId,amount,subject,outTradeNo,type);String info = OrderInfoUtil.buildOrderParam(authInfoMap);String rsaPrivate =Const.RSAPRIVATE; //获取商户密钥String sign = OrderInfoUtil.getSign(authInfoMap, rsaPrivate);final String orderInfo = info + "&" + sign;return orderInfo;}

这里和微信一样需要支付宝商户的appid和RSAPRIVATE提供给我们开发者,

然后编写支付宝支付工具类:

public class OrderInfoUtil {/*** 构造授权参数列表* * @param pid* @param app_id* @param target_id* @return*/public static Map<String, String> buildAuthInfoMap(String pid, String app_id, String target_id) {Map<String, String> keyValues = new HashMap<String, String>();// 商户签约拿到的app_id,如:081700024223keyValues.put("app_id", app_id);// 商户签约拿到的pid,如:2088102123816631keyValues.put("pid", pid);// 服务接口名称, 固定值keyValues.put("apiname", "com.alipay.account.auth");// 商户类型标识, 固定值keyValues.put("app_name", "mc");// 业务类型, 固定值keyValues.put("biz_type", "openservice");// 产品码, 固定值keyValues.put("product_id", "APP_FAST_LOGIN");// 授权范围, 固定值keyValues.put("scope", "kuaijie");// 商户唯一标识,如:kkkkk091125keyValues.put("target_id", target_id);// 授权类型, 固定值keyValues.put("auth_type", "AUTHACCOUNT");// 签名类型keyValues.put("sign_type", "RSA");return keyValues;}/*** 构造支付订单参数列表* @param pid* @param app_id* @param target_id* @return*/public static Map<String, String> buildOrderParamMap(String appId,String amount,String subject,String outTradeNo,String type) {Map<String, String> keyValues = new HashMap<String, String>();keyValues.put("app_id", appId);keyValues.put("biz_content", "{\"timeout_express\":\"30m\",\"product_code\":\"QUICK_MSECURITY_PAY\",\"total_amount\":\""+amount+"\",\"subject\":\""+subject+"\",\"out_trade_no\":\"" +outTradeNo + "\"}");keyValues.put("charset", "utf-8");keyValues.put("method", "alipay.trade.app.pay");keyValues.put("sign_type", "RSA");//获取域名 SysParamServiceImpl systemParam = (SysParamServiceImpl)SpringContextHolder.getBean(SysParamServiceImpl.class);//String notifyUrl="http://180.96.11.10:8080/tourism";String notifyUrl=systemParam.getStringParamByKey("sys.domain");notifyUrl=notifyUrl+"/interface/alipay/"+type;keyValues.put("notify_url", notifyUrl);String timestamp = "";Date date=new Date();SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //设置时间格式timestamp=sdf.format(date);keyValues.put("timestamp", timestamp);keyValues.put("version", "1.0");return keyValues;}/*** 构造支付订单参数信息* * @param map* 支付订单参数* @return*/public static String buildOrderParam(Map<String, String> map) {List<String> keys = new ArrayList<String>(map.keySet());StringBuilder sb = new StringBuilder();for (int i = 0; i < keys.size() - 1; i++) {String key = keys.get(i);String value = map.get(key);sb.append(buildKeyValue(key, value, true));sb.append("&");}String tailKey = keys.get(keys.size() - 1);String tailValue = map.get(tailKey);sb.append(buildKeyValue(tailKey, tailValue, true));return sb.toString();}/*** 拼接键值对* * @param key* @param value* @param isEncode* @return*/private static String buildKeyValue(String key, String value, boolean isEncode) {StringBuilder sb = new StringBuilder();sb.append(key);sb.append("=");if (isEncode) {try {sb.append(URLEncoder.encode(value, "UTF-8"));} catch (UnsupportedEncodingException e) {sb.append(value);}} else {sb.append(value);}return sb.toString();}/*** 对支付参数信息进行签名* * @param map* 待签名授权信息* * @return*/public static String getSign(Map<String, String> map, String rsaKey) {List<String> keys = new ArrayList<String>(map.keySet());// key排序Collections.sort(keys);StringBuilder authInfo = new StringBuilder();for (int i = 0; i < keys.size() - 1; i++) {String key = keys.get(i);String value = map.get(key).toString();authInfo.append(buildKeyValue(key, value, false));authInfo.append("&");}String tailKey = keys.get(keys.size() - 1);String tailValue =map.get(tailKey).toString();authInfo.append(buildKeyValue(tailKey, tailValue, false));String oriSign = SignUtils.sign(authInfo.toString(), rsaKey);String encodedSign = "";try {encodedSign = URLEncoder.encode(oriSign, "UTF-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}return "sign=" + encodedSign;}/*** 要求外部订单号必须唯一。* @return*/private static String getOutTradeNo() {SimpleDateFormat format = new SimpleDateFormat("MMddHHmmss", Locale.getDefault());Date date = new Date();String key = format.format(date);Random r = new Random();key = key + r.nextInt();key = key.substring(0, 15);return key;}}

keyValues.put("notify_url", notifyUrl);这个和微信一样,需要设置一个供支付宝支付后返回给我们的支付结果通知的请求,需自己定义,可带参数,必须在外网下才能调用

最后根据我们定义的请求,来写接收支付宝返回给我们的结果:

@RequestMapping(value = "/interface/alipay/{type}", produces = "text/html;charset=UTF-8")@ResponseBodypublic String getzfbPayResult(HttpServletRequest request,HttpServletResponse response){try{String reqcontent = getRequestContent(request);interfaceLogger.info("################### ################# WeiXinPayResultInterface::alipay,request msg:"+reqcontent);//解析url//reqcontent=stringFarmat(reqcontent); try {reqcontent= URLDecoder.decode(reqcontent, "UTF-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}interfaceLogger.info("###########获取参数解析url:$@@@@@@@@@@@@@@@@@@@@@@@@@========="+reqcontent);//转换为mapMap<String, String> paramMap=stringtoArray(reqcontent);//获取orderTypeString orderType=request.getRequestURI();int i=orderType.lastIndexOf("/");orderType=orderType.substring(i+1, orderType.length()); //验证签名//支付宝公钥String publicKey=Const.PUBLICKEY; //支付宝公钥//字符集String charsetType="UTF-8";//验证签名boolean signVerified = AlipaySignature.rsaCheckV1(paramMap, publicKey, charsetType); //调用SDK验证签名interfaceLogger.info("###########验证签名结果:$@@@@@@@@@@@@@@@@@@@@@@@@@========="+signVerified);if(signVerified){//验证金额订单号interfaceLogger.info("*****************验证签名成功:&&&&&&&&&&&&&&&&&&&&&&&&&&&&");if(paramMap.containsKey("trade_status")){String resultStr=paramMap.get("trade_status");if(resultStr.equals("TRADE_SUCCESS")||resultStr.equals("TRADE_FINISHED")){//支付成功后操作...}return "success";}else{interfaceLogger.info("&&&&&&&&&&&&&&&&验证签名失败:***************************");return "failure";}}catch (Exception e){interfaceLogger.info("###########待签名字符串str:$@@@@@@@@@@@@@@@@@@@@@@@@@=========",e);e.printStackTrace();return "failure";}}

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