🆕 #2501【微信支付】增加V3版本回调通知应答

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayNotifyV3Response.java

@@ -0,0 +1,50 @@
+package com.github.binarywang.wxpay.bean.notify;
+
+import com.google.gson.Gson;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 微信支付订单和退款的异步通知，V3版本共用的响应类.
+ * https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_11.shtml
+ *
+ * @author <a href="https://github.com/0katekate0">Wang_Wong</a>
+ * @date 2022-08-15
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class WxPayNotifyV3Response {
+
+  private static final transient String SUCCESS = "SUCCESS";
+  private static final transient String FAIL = "FAIL";
+
+  private String code;
+  private String message;
+
+  /**
+   * 返回成功
+   *
+   * @param msg
+   * @return
+   */
+  public static String success(String msg) {
+    WxPayNotifyV3Response response = new WxPayNotifyV3Response(SUCCESS, msg);
+    return new Gson().toJson(response);
+  }
+
+  /**
+   * 返回失败
+   *
+   * @param msg 返回信息，如非空，为错误原因
+   * @return
+   */
+  public static String fail(String msg) {
+    WxPayNotifyV3Response response = new WxPayNotifyV3Response(FAIL, msg);
+    return new Gson().toJson(response);
+  }
+
+}

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/constant/WxPayConstants.java

@@ -311,6 +311,7 @@ public class WxPayConstants {
     public static final String SUCCESS = "SUCCESS";
 
     /**
+     * v2
      * 退款关闭.
      */
     public static final String REFUND_CLOSE = "REFUNDCLOSE";
@@ -321,10 +322,23 @@ public class WxPayConstants {
     public static final String PROCESSING = "PROCESSING";
 
     /**
+     * v2
      * 退款异常.
      * 退款到银行发现用户的卡作废或者冻结了，导致原路退款银行卡失败，可前往商户平台（pay.weixin.qq.com）-交易中心，手动处理此笔退款。
      */
     public static final String CHANGE = "CHANGE";
+
+    /**
+     * v3
+     * 退款关闭
+     */
+    public static final String CLOSED = "CLOSED";
+
+    /**
+     * v3
+     * 退款异常
+     */
+    public static final String ABNORMAL = "ABNORMAL";
   }
 
   public static class ReceiverType {
@@ -345,4 +359,5 @@ public class WxPayConstants {
      */
     public static final String PERSONAL_SUB_OPENID = "PERSONAL_SUB_OPENID";
   }
+
 }