Spring Boot项目中集成微信支付v3

<dependency>
  <groupId>cn.felord</groupId>
  <artifactId>payment-spring-boot-starter</artifactId>
  <version>1.0.1.RELEASE</version>
</dependency>

/**
 * 微信支付成功回调.
 * <p>
 * 无需开发者判断，只有扣款成功微信才会回调此接口
 *
 * @param wechatpaySerial  the wechatpay serial
 * @param wechatpaySignature the wechatpay signature
 * @param wechatpayTimestamp the wechatpay timestamp
 * @param wechatpayNonce   the wechatpay nonce
 * @param request      the request
 * @return the map
 */
@SneakyThrows
@PostMapping("/transaction")
public Map<String, ?> transactionCallback(
    @RequestHeader("Wechatpay-Serial") String wechatpaySerial,
    @RequestHeader("Wechatpay-Signature") String wechatpaySignature,
    @RequestHeader("Wechatpay-Timestamp") String wechatpayTimestamp,
    @RequestHeader("Wechatpay-Nonce") String wechatpayNonce,
    HttpServletRequest request) {
  String body = request.getReader().lines().collect(Collectors.joining());
  // 对请求头进行验签 以确保是微信服务器的调用
  ResponseSignVerifyParams params = new ResponseSignVerifyParams();
  params.setWechatpaySerial(wechatpaySerial);
  params.setWechatpaySignature(wechatpaySignature);
  params.setWechatpayTimestamp(wechatpayTimestamp);
  params.setWechatpayNonce(wechatpayNonce);
  params.setBody(body);
  return wechatApiProvider.callback(TENANT_ID).transactionCallback(params, data -> {
    //TODO 对回调解析的结果进行消费
  });
}