前面我记录过老版本的支付以及退款,这次写的是新版本的支付和退款
还是那句话,先去看官方文档:/developmentDocument.htm
和微信支付一样,用的是IJPay这个封装的jar,必须给大神点个赞,集成了微信支付宝支付,用的也是RSA2官方推荐的方式,给出接口调用即可
支付宝接口社区精华帖集锦-接口样例、常见问题:/read.php?tid=&fid=25 这个很不错,很多问题都得到了解决
首先拿到支付宝相关信息,
appId,privateKey,publicKey
appId不是PID(2088xxxxxxxx),而是在开发者中心-我的应用里:比如:11140164
生成应用公匙和应用私匙,记着RSA2是2048位的,生成方式上面链接有
将应用公匙上传到平台上,支付宝会返回一个支付宝公匙,复制下来备用
下好官方sdk,引入alipay-sdk-javaxxxxxxxx.jar有两种方式
1、手动打入maven库然后引用
举例:mvn install:install-file -DgroupId=com.alipay -DartifactId=alipay-sdk -Dpackaging=jar -Dversion=java0829142630 -Dfile=alipay-sdk-java0829142630.jar -Dsources=alipay-sdk-java0829142630-source.jar
引用:
<dependency><groupId>com.alipay</groupId><artifactId>alipay-sdk</artifactId><version>java0829142630</version></dependency>
2、如果无法引入maven库中可以直接放到项目libs中,然后通过如下方式引用到
<dependency><groupId>com.alibaba</groupId><artifactId>alipay-sdk-java</artifactId><version>java0829142630</version><scope>system</scope><systemPath>${project.basedir}/libs/alipay-sdk-java0829142630.jar</systemPath></dependency>
当然如果maven库中有合适的sdk也可以直接引入
引入IJPay
<dependency><groupId>com.github.javen205</groupId><artifactId>IJPay</artifactId><version>0.8</version></dependency>
将appId,privateKey(应用私匙),publicKey(支付宝公匙,注意是支付宝公钥),serverUrl(网关)配置好
public AliPayApiConfig getApiConfig(){return AliPayApiConfig.New().setAppId(appId).setAlipayPublicKey(publicKey).setCharset("UTF-8").setPrivateKey(privateKey).setServiceUrl(serverUrl).setSignType("RSA2").build();}
支付宝wap支付
/*支付宝浏览器支付,已测试*/@RequestMapping(value = "/wapPay.do")public void wapPay(HttpServletResponse response) throws IOException {System.out.println("--------------------wap pay------------------------");String body = "我是测试数据";String subject = "77";String totalAmount = "1";String passbackParams = "1";String returnUrl = "http://xxx/alipay/return_url";String notifyUrl = "http://xxx/alipay/notify_url";AlipayTradeWapPayModel model = new AlipayTradeWapPayModel();model.setBody(body);model.setSubject(subject);model.setTotalAmount(totalAmount);//model.setPassbackParams(passbackParams);String outTradeNo = StringUtils.getOutTradeNo();System.out.println("wap outTradeNo---->"+outTradeNo);model.setOutTradeNo(outTradeNo);model.setProductCode("QUICK_WAP_PAY");try {AliPayApiConfigKit.putApiConfig(getApiConfig());//这个不能缺AliPayApi.wapPay(response, model, returnUrl, notifyUrl);} catch (Exception e) {e.printStackTrace();}}
请求wapPay.do就能调起支付宝支付,效果如下
pc支付
/*** PC支付 成功*/@RequestMapping(value = "/pcPay.do")@ResponseBodypublic void pcPay(HttpServletResponse response){try {String totalAmount = "0.1";String outTradeNo =StringUtils.getOutTradeNo();String returnUrl = "http://xxx/alipay/return_url";String notifyUrl = "http://xxx/alipay/notify_url";AlipayTradePayModel model = new AlipayTradePayModel();model.setOutTradeNo(outTradeNo);model.setProductCode("FAST_INSTANT_TRADE_PAY");model.setTotalAmount(totalAmount);model.setSubject("PC支付测试");model.setBody("我是20万");AliPayApiConfigKit.putApiConfig(getApiConfig());AliPayApi.tradePage(response,model , notifyUrl, returnUrl);} catch (Exception e) {e.printStackTrace();}}
访问pcPay.do就会跳转到支付页面
支付成功后都要保存订单号和商户订单号,待退款有用
无密退款
/*** 退款 成功 无密退款*/@RequestMapping(value = "/tradeRefund.do")@ResponseBodypublic String tradeRefund() {try {AlipayTradeRefundModel model = new AlipayTradeRefundModel();// model.setOutTradeNo("042517111114931");// model.setTradeNo("042521001004200200236813");model.setOutTradeNo("10311418115094");model.setTradeNo("10312100104740246541100");model.setRefundAmount("0.10");model.setRefundReason("正常退款");AliPayApiConfigKit.putApiConfig(getApiConfig());System.out.println("refund");return AliPayApi.tradeRefund(model);} catch (AlipayApiException e) {e.printStackTrace();}return null;}
传入订单号和商户订单号,访问tradeRefund.do直接退款成功,这里return可以返回你自己的路径,AlipayApi.tradeRefund(model)写前面去
返回的数据是:
@RequestMapping(value = "/return_url.do")@ResponseBodypublic String return_url(HttpServletRequest request) {try {// 获取支付宝GET过来反馈信息Map<String, String> map = AliPayApi.toMap(request);for (Map.Entry<String, String> entry : map.entrySet()) {System.out.println(entry.getKey() + " = " + entry.getValue());}boolean verify_result = AlipaySignature.rsaCheckV1(map, publicKey, "UTF-8","RSA2");if (verify_result) {// 验证成功// TODO 请在这里加上商户的业务逻辑程序代码System.out.println("return_url 验证成功");return "success";} else {System.out.println("return_url 验证失败");// TODOreturn "failure";}} catch (AlipayApiException e) {e.printStackTrace();return "failure";}}
上面直接返回即可
notify_url异步通知处理业务,给支付宝返回success,如果商户反馈给支付宝的字符不是success这7个字符,支付宝服务器会不断重发通知,
去重一定要注意,当初我就坑了。。。支付一次业务处理好几次
去重方法:方案1、入库字段设置为唯一,
方案2、有异步通知就通过订单查库判断是否存在
@RequestMapping(value = "/notify_url.do")@ResponseBodypublic String notify_url(HttpServletRequest request) throws UnsupportedEncodingException {try {// 获取支付宝POST过来反馈信息Map<String, String> params = AliPayApi.toMap(request);for (Map.Entry<String, String> entry : params.entrySet()) {System.out.println(entry.getKey() + " = " + entry.getValue());}//交易状态String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");boolean verify_result = AlipaySignature.rsaCheckV1(params,publicKey, "UTF-8","RSA2");if (verify_result) {// 验证成功if(trade_status.equals("TRADE_FINISHED") || trade_status.equals("TRADE_SUCCESS")){// TODO 请在这里加上商户的业务逻辑程序代码 异步通知可能出现订单重复通知 需要做去重处理System.out.println("notify_url 验证成功succcess");return "success";}} else {System.out.println("notify_url 验证失败");// TODOreturn "failure";}} catch (AlipayApiException e) {e.printStackTrace();return "failure";}return "fail";}
我的demo:/download/goligory/10048415
相关链接:/zyw_java/article/details/71970972