运营端充值

cash-service/pay-service/src/main/java/com/czg/service/Impl/WxServiceImpl.java

@@ -34,6 +34,7 @@ import java.io.ByteArrayInputStream;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
 import java.security.PrivateKey;
 import java.security.cert.X509Certificate;
 import java.util.Base64;
@@ -101,7 +102,7 @@ public class WxServiceImpl implements WxService {
     private static String platformCertPath;
     private static String platformCertNo;
     private static String mchId;
-    private static String apiV3Key;
+    public static String apiV3Key;
     private static String apiV2Key;
     private static String notifyUrl;
     private static String refundNotifyUrl;
@@ -322,6 +323,20 @@ public class WxServiceImpl implements WxService {
         log.info(publicKey);
     }
 
+    @Override
+    public String decryptToString(String associatedData, String nonceStr, String ciphertext) {
+        AesUtil aesUtil = new AesUtil(apiV3Key.getBytes(StandardCharsets.UTF_8));
+        try {
+            return aesUtil.decryptToString(
+                    associatedData.getBytes(StandardCharsets.UTF_8),
+                    nonceStr.getBytes(StandardCharsets.UTF_8),
+                    ciphertext
+            );
+        } catch (GeneralSecurityException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public Map<String, String> v3Pay(String openId, BigDecimal amount, String desc, String tradeNo, String type) {
         if (desc == null) desc = "订单支付";
@@ -338,7 +353,7 @@ public class WxServiceImpl implements WxService {
         String payInfo = JSONObject.toJSONString(model);
         log.info("统一下单参数: {}", payInfo);
 
-        IJPayHttpResponse resp = null;
+        IJPayHttpResponse resp;
         try {
             resp = WxPayApi.v3(
                     RequestMethodEnum.POST,