🆕 #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);
+  }
+
+}