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通联支付API集成(适用于SpringBoot)_通联支付java

作者：知新_RL | 2024-05-24 02:12:21

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通联支付java

目标：

  • 学习如何使用Java与通联支付API进行交互

  • 实现一个简单的支付下单和查询订单状态的示例

所需材料：

  • 通联支付API文档

官方文档icon-default.png?t=N7T8https://aipboss.allinpay.com/know/devhelp/main.php?pid=38#mid=313

  • 通联支付加签代码SybUtil

  1. package com.allinpay.common;
  2.  
  3. import net.sf.json.JSONObject;
  4. import org.apache.tomcat.util.codec.binary.Base64;
  5.  
  6. import java.security.*;
  7. import java.security.spec.PKCS8EncodedKeySpec;
  8. import java.security.spec.X509EncodedKeySpec;
  9. import java.util.Map;
  10. import java.util.Random;
  11. import java.util.TreeMap;
  12.  
  13.  
  14. @SuppressWarnings("all")
  15. public class SybUtil {
  16.     /**
  17.      * js转化为实体
  18.      *
  19.      * @param <T>
  20.      * @param jsonstr
  21.      * @param cls
  22.      * @return
  23.      */
  24.     public static <T> T json2Obj(String jsonstr, Class<T> cls) {
  25.         JSONObject jo = JSONObject.fromObject(jsonstr);
  26.         T obj = (T) JSONObject.toBean(jo, cls);
  27.         return obj;
  28.     }
  29.  
  30.     /**
  31.      * md5
  32.      *
  33.      * @param b
  34.      * @return
  35.      */
  36.     public static String md5(byte[] b) {
  37.         try {
  38.             MessageDigest md = MessageDigest.getInstance("MD5");
  39.             md.reset();
  40.             md.update(b);
  41.             byte[] hash = md.digest();
  42.             StringBuffer outStrBuf = new StringBuffer(32);
  43.             for (int i = 0; i < hash.length; i++) {
  44.                 int v = hash[i] & 0xFF;
  45.                 if (v < 16) {
  46.                     outStrBuf.append('0');
  47.                 }
  48.                 outStrBuf.append(Integer.toString(v, 16).toLowerCase());
  49.             }
  50.             return outStrBuf.toString();
  51.         } catch (NoSuchAlgorithmException e) {
  52.             e.printStackTrace();
  53.             return new String(b);
  54.         }
  55.     }
  56.  
  57.     /**
  58.      * 判断字符串是否为空
  59.      *
  60.      * @param s
  61.      * @return
  62.      */
  63.     public static boolean isEmpty(String s) {
  64.         if (s == null || "".equals(s.trim()))
  65.             return true;
  66.         return false;
  67.     }
  68.  
  69.     /**
  70.      * 生成随机码
  71.      *
  72.      * @param n
  73.      * @return
  74.      */
  75.     public static String getValidatecode(int n) {
  76.         Random random = new Random();
  77.         String sRand = "";
  78.         n = n == 0 ? 4 : n;// default 4
  79.         for (int i = 0; i < n; i++) {
  80.             String rand = String.valueOf(random.nextInt(10));
  81.             sRand += rand;
  82.         }
  83.         return sRand;
  84.     }
  85.  
  86.  
  87.  
  88.     public static boolean validSign(TreeMap<String, String> param,
  89.                                     String appkey, String signType) throws Exception {
  90.         if (param != null && !param.isEmpty()) {
  91.             if (!param.containsKey("sign"))
  92.                 return false;
  93.             String sign = param.remove("sign");
  94.             if ("MD5".equals(signType)) {// 如果是md5则需要把md5的key加入到排序
  95.                 param.put("key", appkey);
  96.             }
  97.             StringBuilder sb = new StringBuilder();
  98.             for (Map.Entry<String, String> entry : param.entrySet()) {
  99.                 if (entry.getValue() != null && entry.getValue().length() > 0) {
  100.                     sb.append(entry.getKey()).append("=")
  101.                             .append(entry.getValue()).append("&");
  102.                 }
  103.             }
  104.             if (sb.length() > 0) {
  105.                 sb.deleteCharAt(sb.length() - 1);
  106.             }
  107.             if ("MD5".equals(signType)) {
  108.                 return sign.toLowerCase().equals(
  109.                         md5(sb.toString().getBytes("UTF-8")).toLowerCase());
  110.             } else {
  111.                 return rsaVerifyPublickey(sb.toString(), sign, appkey, "UTF-8");
  112.             }
  113.         }
  114.         return false;
  115.     }
  116.  
  117.     public static boolean rsaVerifyPublickey(String content, String sign,
  118.                                              String publicKey, String charset) throws Exception {
  119.         try {
  120.             PublicKey pubKey = getPublicKeyFromX509("RSA",
  121.                     Base64.decodeBase64(publicKey.getBytes()));
  122.             return rsaVerifyPublickey(content, sign, pubKey, charset);
  123.         } catch (Exception e) {
  124.             e.printStackTrace();
  125.             throw new Exception("RSAcontent = " + content + ",sign=" + sign
  126.                     + ",charset = " + charset, e);
  127.         }
  128.     }
  129.  
  130.     public static boolean rsaVerifyPublickey(String content, String sign,
  131.                                              PublicKey pubKey, String charset) throws Exception {
  132.         try {
  133.             java.security.Signature signature = java.security.Signature
  134.                     .getInstance("SHA1WithRSA");
  135.  
  136.             signature.initVerify(pubKey);
  137.  
  138.             if (charset == null || "".equals(charset)) {
  139.                 signature.update(content.getBytes());
  140.             } else {
  141.                 signature.update(content.getBytes(charset));
  142.             }
  143.  
  144.             return signature.verify(Base64.decodeBase64(sign.getBytes()));
  145.         } catch (Exception e) {
  146.             throw e;
  147.         }
  148.     }
  149.     public static String unionSign(TreeMap<String, String> params,String appkey,
  150.                                    String signType) throws Exception {
  151.         // TODO Auto-generated method stub
  152.  
  153.         params.remove("sign");
  154.         if ("MD5".equals(signType)) {// 如果是md5则需要把md5的key加入到排序
  155.             params.put("key", appkey);
  156.         }
  157.         StringBuilder sb = new StringBuilder();
  158.         for (Map.Entry<String, String> entry : params.entrySet()) {
  159.             if (entry.getValue() != null && entry.getValue().length() > 0) {
  160.                 sb.append(entry.getKey()).append("=").append(entry.getValue())
  161.                         .append("&");
  162.             }
  163.         }
  164.         if (sb.length() > 0) {
  165.             sb.deleteCharAt(sb.length() - 1);
  166.         }
  167.         String sign = "";
  168.         if ("MD5".equals(signType)) {
  169.             System.out.println(sb.toString());
  170.             sign = md5(sb.toString().getBytes("UTF-8"));// 记得是md5编码的加签
  171.             params.remove("key");
  172.         } else {
  173.             sign = rsaSign(sb.toString(), appkey, "UTF-8");
  174.         }
  175.         return sign;
  176.     }
  177.  
  178.     public static String rsaSign(String content, String privateKey,
  179.                                  String charset) throws Exception {
  180.         PrivateKey priKey = getPrivateKeyFromPKCS8("RSA",
  181.                 Base64.decodeBase64(privateKey.getBytes()));
  182.         return rsaSign(content, priKey, charset);
  183.     }
  184.  
  185.     public static String rsaSign(String content, byte[] privateKey,
  186.                                  String charset) throws Exception {
  187.         PrivateKey priKey = getPrivateKeyFromPKCS8("RSA", privateKey);
  188.         return rsaSign(content, priKey, charset);
  189.     }
  190.  
  191.     public static String rsaSign(String content, PrivateKey priKey,
  192.                                  String charset) throws Exception {
  193.         java.security.Signature signature = java.security.Signature
  194.                 .getInstance("SHA1WithRSA");
  195.         signature.initSign(priKey);
  196.         if (charset == null || "".equals(charset)) {
  197.             signature.update(content.getBytes());
  198.         } else {
  199.             signature.update(content.getBytes(charset));
  200.         }
  201.         byte[] signed = signature.sign();
  202.  
  203.         return new String(Base64.encodeBase64(signed));
  204.     }
  205.  
  206.     public static PrivateKey getPrivateKeyFromPKCS8(String algorithm,
  207.                                                     byte[] encodedKey) throws Exception {
  208.  
  209.         KeyFactory keyFactory = KeyFactory.getInstance(algorithm);
  210.  
  211.         return keyFactory.generatePrivate(new PKCS8EncodedKeySpec(encodedKey));
  212.     }
  213.  
  214.     public static PublicKey getPublicKeyFromX509(String algorithm,
  215.                                                  byte[] encodedKey) throws Exception {
  216.         KeyFactory keyFactory = KeyFactory.getInstance(algorithm);
  217.  
  218.         return keyFactory.generatePublic(new X509EncodedKeySpec(encodedKey));
  219.     }
  220. }

  • IDE（如IntelliJ IDEA或Eclipse）

  • JDK 8 或更高版本

  • 需要的maven
  1.         <dependency>
  2.             <groupId>com.alibaba.fastjson2</groupId>
  3.             <artifactId>fastjson2</artifactId>
  4.             <version>2.0.43</version>
  5.         </dependency>
  6.  
  7.         <!-- SybUtil文件需要用到 -->
  8.         <dependency>
  9.             <groupId>net.sf.json-lib</groupId>
  10.             <artifactId>json-lib</artifactId>
  11.             <version>2.4</version>
  12.             <classifier>jdk15</classifier>
  13.         </dependency>
  14.  
  15.         <dependency>
  16.             <groupId>cn.hutool</groupId>
  17.             <artifactId>hutool-all</artifactId>
  18.             <version>5.8.20</version>
  19.         </dependency>
  20.  
  21.         <dependency>
  22.             <groupId>org.projectlombok</groupId>
  23.             <artifactId>lombok</artifactId>
  24.             <optional>true</optional>
  25.         </dependency>
  •  辅助类
  1. 通联支付需要的请求数据格式(Allinpay.java)
  1. package com.allinpay.pojo;
  2.  
  3. import lombok.AllArgsConstructor;
  4. import lombok.Data;
  5. import lombok.NoArgsConstructor;
  6. import lombok.experimental.Accessors;
  7.  
  8. import java.math.BigDecimal;
  9.  
  10. @Data
  11. @NoArgsConstructor
  12. @AllArgsConstructor
  13. @Accessors(chain = true)
  14. public class Allinpay {
  15.  
  16.     private String cusid;
  17.  
  18.     private String appid;
  19.  
  20.     private int version;
  21.  
  22.     private BigDecimal trxamt;
  23.  
  24.     /*
  25.         当指定为F02时，交易仅限分期交易。
  26.         分期交易金额必须大于500元。
  27.      */
  28.     // ?
  29.     private String paytype;
  30.  
  31.     /*
  32.         3  花呗分期3期
  33.         6  花呗分期6期
  34.         12  花呗分期12期
  35.         3-cc 支付宝信用卡分期3期
  36.         6-cc 支付宝信用卡分期6期
  37.         12-cc 支付宝信用卡分期12期
  38.         暂只支持支付宝花呗分期,支付宝信用卡分期,仅支持A01/A02
  39.      */
  40.     // 可空参数
  41.     private String fqnum;
  42.  
  43.     //订单号,商户唯一订单号
  44.     private String reqsn;
  45.  
  46.     /*
  47.         商户网站使用的编码格式，支持
  48.         UTF-8、GBK
  49.         跟商户网站的编码一致
  51.     */
  52.     //
  53.     private String charset;
  54.  
  55.     /*
  56.      必须为https协议地址，且不允许带参数
  57.      页面跳转同步通知页面路径
  58.     */
  59.     private String returl;
  60.  
  61.     // 异步通知地址
  62.     // ?
  63.     private String notify_url;
  64.  
  65.     // 商品描述,长度最大100
  66.     private String body;
  67.  
  68.  
  69.     //? 通知会原样带上, 订单备注信息
  70.     private String remark;
  71.  
  72.     // 随机字符串，自己生成，最大32位
  73.     private String randomstr;
  74.  
  75.     //订单有效时间，以分为单位，默认为15
  76.     private String validtime;
  77.  
  78.     // ? 支付限制(no_credit--指定不能使用信用卡支付)
  79.     private String limit_pay;
  80.  
  81.     // 签名类型，目前支持RSA2和RSA
  82.     private String signtype;
  83.  
  84.     // 签名 32位
  85.     private String sign;
  86.  
  87.     // 关闭订单的时候需要
  88.     private String oldreqsn;
  89.  
  90.  
  91.  
  92. }

 2. 由于本案列采用了多商家，所以暂时把配置也建成了一个类(PayConfig.java)

  1. import lombok.AllArgsConstructor;
  2. import lombok.Data;
  3. import lombok.NoArgsConstructor;
  4. import lombok.experimental.Accessors;
  5.  
  6. @AllArgsConstructor
  7. @NoArgsConstructor
  8. @Data
  9. @Accessors(chain = true)
  10. public class PayConfig {
  11.  
  12.     private String cusid;
  13.  
  14.     private String appid;
  15.  
  16.     private String privateKey;
  17.  
  18. }

 3.本案列设置了多方支付方式，所以还有一个支付载荷(PayLoad.java)

  1. import lombok.AllArgsConstructor;
  2. import lombok.Data;
  3. import lombok.NoArgsConstructor;
  4. import lombok.experimental.Accessors;
  5.  
  6. import java.math.BigDecimal;
  7.  
  8. @Data
  9. @NoArgsConstructor
  10. @AllArgsConstructor
  11. @Accessors(chain = true)
  12. public class PayLoad {
  13.  
  14.     private String orderId;
  15.  
  16.     private BigDecimal amount;
  17.  
  18.     private String payConfigKey;
  19.  
  20.     private String remark;
  21.  
  22.     private String title;
  23.  
  24.     private int payType;
  25.  
  26.     private String returnUrl;
  27.  
  28.     private String notifyUrl;
  29.  
  30.  
  31. }

  •  H5支付下单代码

  1.     //这个是PayService的Impl实现层
  2.     private final String order = "https://syb.allinpay.com/apiweb/h5unionpay/unionorder";
  3.     private final String rsaPrivateKey = "xxx";
  4.     @SneakyThrows
  5.     @Override
  6.     public String h5Pay(PayLoad payLoad) {
  7.         // String payConfigKey = payLoad.getPayConfigKey();
  8.         PayConfig payConfig = new PayConfig()
  9.             .setAppid("xxx")
  10.             .setCusid("xxx")
  11.             .setPrivateKey(rsaPrivateKey);
  12.         Allinpay allinpay = new Allinpay()
  13.                 .setSigntype("RSA")
  14.                 .setTrxamt(new BigDecimal(2))
  15.                 .setReqsn(payLoad.getOrderId())
  16.                 .setRandomstr(SybUtil.getValidatecode(8))
  17.                 .setBody(payLoad.getTitle())
  18.                 .setRemark(payLoad.getRemark())
  19.                 .setCharset("UTF-8")
  20.                 .setAppid(payConfig.getAppid())
  21.                 .setCusid(payConfig.getCusid())
  22.                 .setReturl(payLoad.getReturnUrl());
  23.         allinpay.setSign(URLEncoder.encode(SybUtil.unionSign(objectToTreeMap(allinpay), payConfig.getPrivateKey() , "RSA"), StandardCharsets.UTF_8));
  24.         return order + "?" + treeMapToUrlParams(objectToTreeMap(allinpay));
  25.     }
  26.     //Controller代码
  27.     @SneakyThrows
  28.     @GetMapping("pay")
  29.     public String pay(HttpServletResponse response) {
  30.         String paymentUrl = (String) payService.h5Pay(new PayLoad()
  31.                 .setPayType(2)
  32.                 .setPayConfigKey("")
  33.                 .setReturnUrl("https://blog.csdn.net")
  34.                 .setOrderId(IdUtil.getSnowflakeNextIdStr())
  35.                 .setAmount(new BigDecimal(2))
  36.                 .setRemark("测试支付备注")
  37.                 .setTitle("测试H5支付")
  38.         );
  39.         String htmlResponse = "<!DOCTYPE html><html><head></head><body>"
  40.                 + "<script>window.location.href='" + paymentUrl + "'</script>"
  41.                 + "</body></html>";
  42.  
  43.         // 设置响应内容类型为HTML
  44.         response.setContentType("text/html;charset=UTF-8");
  45.         return htmlResponse;
  46.     }
  47.

  • 关闭订单 

  1.     // 关闭接口
  2.     private final String close = "https://vsp.allinpay.com/apiweb/tranx/close";
  3.  
  4.     @SneakyThrows
  5.     @Override
  6.     public String closeOrder(PayLoad payLoad) {
  7.         PayConfig payConfig = new PayConfig()
  8.                 .setAppid("xxx")
  9.                 .setCusid("xxxx")
  10.                 .setPrivateKey(rsaPrivateKey);
  11.         Allinpay allinpay = new Allinpay()
  12.                 .setCusid(payConfig.getCusid())
  13.                 .setAppid(payConfig.getAppid())
  14.                 .setRandomstr(SybUtil.getValidatecode(8))
  15.                 .setVersion(11)
  16.                 .setOldreqsn(payLoad.getOrderId())
  17.                 .setSigntype("RSA");
  18.         allinpay.setSign(SybUtil.unionSign(objectToTreeMap(allinpay), rsaPrivateKey, "RSA"));
  19.         return HttpUtil.post(close, BeanUtil.beanToMap(allinpay));
  20.     }
  21.  
  22.      /**
  23.      * 关闭订单
  24.      * @param outTradeNo 下单的订单号，也就是你支付下单类Allinpay的reqsn
  25.      * @return {@link String}
  26.      ***/
  27.     @SneakyThrows
  28.     @GetMapping("closeOrder/{outTradeNo}")
  29.     public Map<String,String> closeOrder(@PathVariable Long outTradeNo) {
  30.         return handleResult(payService.closeOrder(new PayLoad().setOrderId(outTradeNo.toString())));
  31.     }

  •  查询订单

  1.     // 查询接口
  2.     private final String query = "https://vsp.allinpay.com/apiweb/tranx/query";
  3.  
  4.     @SneakyThrows
  5.     @Override
  6.     public String query(PayLoad payLoad) {
  7.         PayConfig payConfig = new PayConfig()
  8.                 .setAppid("xxx")
  9.                 .setCusid("xxxx")
  10.                 .setPrivateKey(rsaPrivateKey);
  11.         Allinpay allinpay = new Allinpay()
  12.                 .setCusid(payConfig.getCusid())
  13.                 .setAppid(payConfig.getAppid())
  14.                 .setRandomstr(SybUtil.getValidatecode(8))
  15.                 .setVersion(11)
  16.                 .setReqsn(payLoad.getOrderId())
  17.                 .setSigntype("RSA");
  18.         allinpay.setSign(SybUtil.unionSign(objectToTreeMap(allinpay), rsaPrivateKey, "RSA"));
  19.         return HttpUtil.post(query, BeanUtil.beanToMap(allinpay));
  20.     }
  21.  
  22.  
  23.     /**
  24.      * 查询订单
  25.      * @param outTradeNo 下单的订单号
  26.      * @return {@link String}
  27.      ***/
  28.     @SneakyThrows
  29.     @GetMapping("query/{outTradeNo}")
  30.     public Map<String, String> query(@PathVariable Long outTradeNo) {
  31.         return handleResult(payService.query(new PayLoad().setOrderId(outTradeNo.toString())));
  32.     }

  • 退款接口，这个是只能退当天的交易 （全额退实时返回退款结果）

  1.     // 取消当天交易退款接口
  2.     private final String cancelDayUrl = "https://vsp.allinpay.com/apiweb/tranx/cancel";
  3.  
  4.     @SneakyThrows
  5.     @Override
  6.     public String cancelDay(PayLoad payLoad) {
  7.         PayConfig payConfig = new PayConfig()
  8.                 .setAppid("xxx")
  9.                 .setCusid("xxxx")
  10.                 .setPrivateKey(rsaPrivateKey);
  11.         Allinpay allinpay = new Allinpay()
  12.                 .setCusid(payConfig.getCusid())
  13.                 .setAppid(payConfig.getAppid())
  14.                 .setRandomstr(SybUtil.getValidatecode(8))
  15.                 .setVersion(11)
  16.                 .setTrxamt(new BigDecimal(2))
  17.                 .setReqsn(payLoad.getOrderId())
  18.                 .setOldreqsn(payLoad.getOrderId())
  19.                 .setSigntype("RSA");
  20.         allinpay.setSign(SybUtil.unionSign(objectToTreeMap(allinpay), rsaPrivateKey, "RSA"));
  21.         return HttpUtil.post(cancelDayUrl, BeanUtil.beanToMap(allinpay));
  22.     }
  23.  
  24.  
  25.     /**
  26.      * 退款接口，只能退今天的，全额退款，实时返回退款结果
  27.      * @return {@link String}
  28.      */
  29.     @SneakyThrows
  30.     @GetMapping("cancelDay/{outTradeNo}")
  31.     public Map<String, String> cancelDay(@PathVariable Long outTradeNo) {
  32.         return handleResult(payService.cancelDay(new PayLoad().setOrderId(outTradeNo.toString())));
  33.     }

  • 退款接口 ，可以退部分

  1.     
  2.     // 退款接口
  3.     private final String refundUrl = "https://vsp.allinpay.com/apiweb/tranx/refund";
  4.  
  5.     @SneakyThrows
  6.     @Override
  7.     public String refund(PayLoad payLoad) {
  8.         PayConfig payConfig = new PayConfig()
  9.                 .setAppid("xxx")
  10.                 .setCusid("xxxx")
  11.                 .setPrivateKey(rsaPrivateKey);
  12.         Allinpay allinpay = new Allinpay()
  13.                 .setCusid(payConfig.getCusid())
  14.                 .setAppid(payConfig.getAppid())
  15.                 .setRandomstr(SybUtil.getValidatecode(8))
  16.                 .setVersion(11)
  17.                 .setTrxamt(new BigDecimal(2))
  18.                 .setReqsn(payLoad.getOrderId())
  19.                 .setOldreqsn(payLoad.getOrderId())
  20.                 .setSigntype("RSA");
  21.         allinpay.setSign(SybUtil.unionSign(objectToTreeMap(allinpay), rsaPrivateKey, "RSA"));
  22.         return HttpUtil.post(refundUrl, BeanUtil.beanToMap(allinpay));
  23.     }
  24.  
  25.      // 可以和上面的接口进行整合处理
  26.  
  27.     /**
  28.      * 退款接口,可以退部分
  29.      * @return {@link String}
  30.      */
  31.     @SneakyThrows
  32.     @GetMapping("refund/{outTradeNo}")
  33.     public Map<String, String> refund(@PathVariable Long outTradeNo) {
  34.         return handleResult(payService.refund(new PayLoad().setOrderId(outTradeNo.toString())));
  35.     }

提示： 可以和上面的接口进行整合处理

  • 其中签名需要用到的转map方法 

  1.     private TreeMap<String, String> objectToTreeMap(Object obj) {
  2.         TreeMap<String, String> treeMap = new TreeMap<>();
  3.         Class<?> clazz = obj.getClass();
  4.         while (clazz != null) {
  5.             for (Field field : clazz.getDeclaredFields()) {
  6.                 field.setAccessible(true);
  7.                 try {
  8.                     Object fieldValue = field.get(obj);
  9.                     if (fieldValue != null) {
  10.                         treeMap.put(field.getName(), fieldValue.toString());
  11.                     }
  12.                 } catch (IllegalAccessException e) {
  13.                     log.error("Error accessing field " + field.getName() + ": " + e.getMessage());
  14.                 }
  15.             }
  16.             clazz = clazz.getSuperclass();
  17.         }
  18.         return treeMap;
  19.     }

  •  其中map转路径参数方法

  1.   private static String treeMapToUrlParams(TreeMap<String, String> treeMap) {
  2.         StringBuilder sb = new StringBuilder();
  3.         for (Map.Entry<String, String> entry : treeMap.entrySet()) {
  4.             String key = entry.getKey();
  5.             String value = entry.getValue();
  6.             if (sb.length() > 0) {
  7.                 sb.append("&");
  8.             }
  9.             sb.append(key).append("=").append(value);
  10.         }
  11.         return sb.toString();
  12.     }

  • 其中通联返回验签代码

  1.     /**
  2.      * 验签
  3.      * @param result
  4.      * @return {@link Map}<{@link String},{@link String}>
  5.      * @throws Exception
  6.      */
  7.     @SuppressWarnings({ "rawtypes", "all" })
  8.     public static Map<String,String> handleResult(String result) throws Exception{
  9.         Map map = SybUtil.json2Obj(result, Map.class);
  10.         if(map == null){
  11.             throw new Exception("返回数据错误");
  12.         }
  13.         if("SUCCESS".equals(map.get("retcode"))) {
  14.             TreeMap tmap = new TreeMap();
  15.             tmap.putAll(map);
  16.             if(SybUtil.validSign(
  17.                      tmap,
  18.                     "xxxxx",
  19.                     "RSA")
  20.             ){
  21.                 return map;
  22.             }else{
  23.                 throw new Exception("验证签名失败");
  24.             }
  25.             // 验签成功，返回数据
  26.         }else{
  27.             throw new Exception(map.get("retmsg").toString());
  28.         }
  29.     }

提示：如果不考虑多商户，多支付通道，可以再方法中Allinpay类直接填参数请求，不用通过PayLoad和PayConfig类  

  • 完整代码克隆地址：

git clone https://gitee.com/byte1026/allin-pay.git
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