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liujie

2025-12-04 8748b9ca3e0528824e2ab52682cbf7d5db6ed8f6

 ruoyi-applet/src/main/java/com/ruoyi/web/controller/api/WxPayController.java

@@ -127,8 +127,25 @@
    @PostMapping("refund/notify")
    public void refundNotify(HttpServletRequest request) throws IOException {
        try {
            Map<String, Object> params = wxV3Pay.verifyNotify(request, new TypeReference<Map<String, Object>>() {
            });

            System.err.println("微信退款回调");
            BufferedReader reader = request.getReader();
            StringBuilder requestBody = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                requestBody.append(line);
            }
            System.err.println("全部请求体" + requestBody);
            JSONObject jsonObject = JSONObject.parseObject(requestBody.toString());
            JSONObject resource = jsonObject.getJSONObject("resource");

            AesUtil aesUtil = new AesUtil(weixinPayProperties.getV3().getApiKey().getBytes(StandardCharsets.UTF_8));
            String decryptedData = aesUtil.decryptToString(resource.getString("associated_data").getBytes(StandardCharsets.UTF_8), resource.getString("nonce").getBytes(StandardCharsets.UTF_8),
                    resource.getString("ciphertext"));
            System.err.println("微信解密的字符串信息" + decryptedData);

            JSONObject params = JSONObject.parseObject(decryptedData);

            // 商户订单号
            String out_trade_no = params.get("out_trade_no").toString();
            // 商户退款单号