添加项目文件。

ContactService.Domain/FriendRequestStatus.cs

@@ -0,0 +1,22 @@
+namespace ContactService.Domain
+{
+    public enum FriendRequestStatus
+    {
+        /// <summary>
+        /// 待处理
+        /// </summary>
+        Pending = 0,
+        /// <summary>
+        /// 已通过
+        /// </summary>
+        Passed = 2,
+        /// <summary>
+        /// 已拒绝
+        /// </summary>
+        Declined = 1,
+        /// <summary>
+        /// 拉黑
+        /// </summary>
+        Blocked = 3
+    }
+}