🎨 支付回调结果解析时提供必要的检测报错判断

Author: Copilot

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java

@@ -344,6 +344,13 @@ public WxPayOrderNotifyResult parseOrderNotifyResult(String xmlData) throws WxPa
   public WxPayOrderNotifyResult parseOrderNotifyResult(String xmlData, String signType) throws WxPayException {
     try {
       log.debug("微信支付异步通知请求参数：{}", xmlData);
+      
+      // 检测数据格式并给出适当的处理建议
+      if (xmlData != null && xmlData.trim().startsWith("{")) {
+        throw new WxPayException("检测到V3版本的JSON格式通知数据，请使用parseOrderNotifyV3Result方法解析。" +
+            " V3 API需要传入SignatureHeader参数进行签名验证。");
+      }
+      
       WxPayOrderNotifyResult result = WxPayOrderNotifyResult.fromXML(xmlData);
       if (signType == null) {
         this.switchover(result.getMchId(), result.getAppid());

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImplTest.java

@@ -627,6 +627,42 @@ public void testParseOrderNotifyResult() throws Exception {
 
   }
 
+  /**
+   * Test parse order notify result with JSON format should give helpful error.
+   * 测试当传入V3版本的JSON格式通知数据时，应该抛出清晰的错误提示
+   *
+   * @throws Exception the exception
+   */
+  @Test
+  public void testParseOrderNotifyResultWithJsonShouldGiveHelpfulError() throws Exception {
+    String jsonString = "{\n" +
+      "    \"id\": \"EV-2018022511223320873\",\n" +
+      "    \"create_time\": \"2015-05-20T13:29:35+08:00\",\n" +
+      "    \"resource_type\": \"encrypt-resource\",\n" +
+      "    \"event_type\": \"TRANSACTION.SUCCESS\",\n" +
+      "    \"summary\": \"支付成功\",\n" +
+      "    \"resource\": {\n" +
+      "        \"algorithm\": \"AEAD_AES_256_GCM\",\n" +
+      "        \"ciphertext\": \"test\",\n" +
+      "        \"associated_data\": \"transaction\",\n" +
+      "        \"nonce\": \"test\"\n" +
+      "    }\n" +
+      "}";
+
+    try {
+      this.payService.parseOrderNotifyResult(jsonString);
+      fail("Expected WxPayException for JSON input");
+    } catch (WxPayException e) {
+      // 验证错误消息包含V3版本和parseOrderNotifyV3Result方法的指导信息
+      String message = e.getMessage();
+      assertTrue(message.contains("V3版本"), "错误消息应包含'V3版本'");
+      assertTrue(message.contains("JSON格式"), "错误消息应包含'JSON格式'");
+      assertTrue(message.contains("parseOrderNotifyV3Result"), "错误消息应包含'parseOrderNotifyV3Result'方法名");
+      assertTrue(message.contains("SignatureHeader"), "错误消息应包含'SignatureHeader'");
+      log.info("JSON格式检测正常，错误提示: {}", message);
+    }
+  }
+
   /**
    * Test get wx api data.
    *