支付宝付款码支付以及退款流程代码

支付宝付款码支付接入流程。

官方文档地址: 小程序文档 - 支付宝文档中心

接入前提:

去控制台申请appId、应用私钥、支付宝公钥(注意不是应该公钥)、环境区分(有沙箱和正式环境区分)

代码贴图:

service代码

实现类方法

代码如下:

@Service
@Slf4j
public class AliPayServiceImpl implements AliPayService {// 支付宝网关名、partnerId和appId@Value("${ali.pay.openApiDomain}")public String openApiDomain;//public String mcloud_api_domain = "http://mcloudmonitor.com/gateway.do";// public String pid = "";@Value("${ali.pay.appId}")public String appId;// #RSA私钥、公钥和支付宝公钥@Value("${ali.pay.privateKey}")public String privateKey;//对应支付宝公钥@Value("${ali.pay.alipayPublicKey}")public String alipayPublicKey;/*** 支付宝付款码支付** @param payInfoVo* @return*/@Override@Transactional(rollbackFor = Exception.class)public ResponseWrapper aliPay(PayInfoVo payInfoVo, String ordNo) throws AlipayApiException, InterruptedException {AlipayClient alipayClient = new DefaultAlipayClient(openApiDomain, appId, privateKey, "json", "GBK", alipayPublicKey, "RSA2");AlipayTradePayRequest request = new AlipayTradePayRequest();Map<Object,Object> map = new HashMap<>();map.put("out_trade_no", ordNo);map.put("total_amount", payInfoVo.getMoney());//标题   必填map.put("subject", "订单付款");map.put("scene", "bar_code");map.put("auth_code", payInfoVo.getAuthCode());Gson gson = new Gson();String json = gson.toJson(map);request.setBizContent(json);AlipayTradePayResponse response = alipayClient.execute(request);log.info("支付宝支付返回支付信息 ：" + GsonUtils.toJsonString(response));if (response.isSuccess()) {log.info("支付宝返回成功走code逻辑开始");if (response.getCode().equals(AliPayTradeCodeConstant.RETURN_CODE.getCode())) {return new ResponseWrapper(true, ReturnCode.PAY_SUCCESS.getCode(), "支付宝支付成功", null);}if (response.getCode().equals(AliPayTradeCodeConstant.WAIT_PAY.getCode())) {log.info("支付中----" + "进入支付中判断");//调用失败的话进行轮询查询返回结果Boolean payResult =ClientUtils.synGetResult(30000, 5000, () -> aliPayQuery(ordNo));log.info("支付中轮询查看支付结果" + payResult);if (payResult != null && payResult) {return new ResponseWrapper(true, ReturnCode.PAY_SUCCESS.getCode(), "支付宝支付成功", null);}log.info("超时走撤单接口");//撤销订单Boolean aliPayCancel = aliPayCancel(ordNo);if (aliPayCancel) {log.info("撤单成功");return new ResponseWrapper(true, ReturnCode.CANCEL_SUCCESS.getCode(), "超时撤单成功", null);} else {throw new BaseException("支付宝超时撤单失败");}}throw new BaseException("支付宝支付失败,失败原因为" + response.getMsg(), response.getMsg());} else {log.info("支付宝调用失败");throw new BaseException("支付宝支付失败,失败原因为" + response.getMsg(), response.getMsg());}}/*** 查询交易状态** @throws AlipayApiException*/public Boolean aliPayQuery(String ordNo) {try {AlipayClient alipayClient = new DefaultAlipayClient(openApiDomain, appId, privateKey,  "json", "GBK", alipayPublicKey, "RSA2");AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();//订单支付时传入的商户订单号,和支付宝交易号不能同时为空、trade_no,out_trade_no如果同时存在优先取trade_no//支付宝交易号，和商户订单号不能同时为空Map<Object,Object> map = new HashMap<>();map.put("out_trade_no", ordNo);Gson gson = new Gson();String json = gson.toJson(map);request.setBizContent(json);AlipayTradeQueryResponse response = alipayClient.execute(request);if (response.isSuccess()) {log.info("支付宝查询结果返回结果报文--" + JSON.toJSONString(response));if (response.getTradeStatus().equals(AliPayTradeStatusConstant.TRADE_SUCCESS.getCode()) || response.getTradeStatus().equals(AliPayTradeStatusConstant.TRADE_FINISHED.getCode())) {return Boolean.TRUE;} else if(response.getTradeStatus().equals(AliPayTradeStatusConstant.WAIT_BUYER_PAY.getCode())){log.info("查询返回不是支付成功，" + "失败原因为：用户支付中" );return null;}else {log.error("查询返回不是支付成功，" + "失败原因为：" + response.getSubMsg());return null;}} else {log.error("调用查询接口失败");return null;}} catch (Exception e) {log.error("AliPayServiceImpl aliPayQuery error:",e);return null;}}/*** 交易关闭接口** @throws AlipayApiException*/public void aliPayClose() throws AlipayApiException {AlipayClient alipayClient = new DefaultAlipayClient(openApiDomain, appId, privateKey,  "json", "GBK", alipayPublicKey, "RSA2");AlipayTradeCloseRequest request = new AlipayTradeCloseRequest();Map<Object,Object> map = new HashMap<>();map.put("trade_no", "2013112611001004680073956707");Gson gson = new Gson();String json = gson.toJson(map);request.setBizContent(json);AlipayTradeCloseResponse response = alipayClient.execute(request);if (response.isSuccess()) {System.out.println("调用成功");} else {System.out.println("调用失败");}}/*** 交易撤销接口** @throws AlipayApiException*/public Boolean aliPayCancel(String ordNo) throws AlipayApiException {AlipayClient alipayClient = new DefaultAlipayClient(openApiDomain, appId, privateKey,  "json", "GBK", alipayPublicKey, "RSA2");AlipayTradeCancelRequest request = new AlipayTradeCancelRequest();Map<Object,Object> map = new HashMap<>();map.put("out_trade_no", ordNo);Gson gson = new Gson();String json = gson.toJson(map);request.setBizContent(json);AlipayTradeCancelResponse response = alipayClient.execute(request);log.info("撤销订单接口返回--" +GsonUtils.toJsonString(response));if (response.isSuccess()) {if (response.getCode().equals(AliPayTradeCodeConstant.RETURN_CODE.getCode())) {log.info("撤销订单接口返回10000");return true;}return false;} else {System.out.println("调用失败");return false;}}/*** 退款** @throws Exception*/@Transactional(rollbackFor = Exception.class)@Overridepublic ResponseWrapper refund(String orderNo, String refundAmount) throws AlipayApiException {AlipayClient alipayClient = new DefaultAlipayClient(openApiDomain, appId, privateKey,  "json", "GBK", alipayPublicKey, "RSA2");AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();Map<Object,Object> map = new HashMap<>();map.put("out_trade_no", orderNo);map.put("refund_amount", refundAmount);//部分退款唯一值map.put("out_request_no", UUID.randomUUID().toString().replaceAll("-", "").substring(0, 32));Gson gson = new Gson();String json = gson.toJson(map);request.setBizContent(json);AlipayTradeRefundResponse response = alipayClient.execute(request);if (response.isSuccess()) {System.out.println("调用成功");if (response.getCode().equals(AliPayTradeCodeConstant.RETURN_CODE.getCode())) {return new ResponseWrapper(true, ReturnCode.ALI_REFUNDZ_ERROR.getCode(), "支付宝退款成功", null);}//商户账户余额不足if (response.getSubCode().equals(AliPayTradeCodeConstant.SELLER_BALANCE_NOT_ENOUGH.getCode())) {return new ResponseWrapper(false, response.getCode(), response.getSubMsg(), response.getMsg());}}return new ResponseWrapper(false, response.getSubCode(), response.getSubMsg(), response.getSubMsg());}
}

30秒查询工具类代码:

package com.zt.helios.utils.wx;import lombok.extern.slf4j.Slf4j;import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;/*** 第三方接口工具类** @version V1.0* @className ClientUtils* @date 2022/4/22**/
@Slf4j
public class ClientUtils {/*** 同步返回结果** @param timeout     超时时间，单位：毫秒* @param cyclingTime 循环时间，单位：毫秒* @param supplier    业务逻辑，非null：完成；null：失败；* @methodName: synGetResult* @return: boolean* @author: ybw* @date: 2022/4/22**/public static <T> T synGetResult(long timeout, long cyclingTime, Supplier<T> supplier) {if (cyclingTime > timeout) {//如果循环时间>超时时间log.error("ClientUtils synGetResult cyclingTime > timeout");return null;}long start = System.currentTimeMillis();while (true) {T t = supplier.get();if (t != null) {//返回结果log.info("ClientUtils synGetResult 获取结果成功");return t;}try {TimeUnit.MILLISECONDS.sleep(cyclingTime);} catch (InterruptedException e) {log.error("ClientUtils synGetResult error:", e);}if (System.currentTimeMillis() - start > timeout) {//超时log.info("ClientUtils synGetResult 超时");return null;}}}
}

退款代码讲解:

代码块上面有。

整体接入流程就是这样，相对简单。前端扫码会携带一个参数auth_code，这个参数是扫码枪或者小白盒读取到的付款码数字。传到后端，后端请求支付宝接口时携带。为必填选项

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