feat：全基础流程跑通

Yi.Furion.Net6/Yi.Furion.Core/Bbs/Consts/ArticleConst.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Furion.Core.Bbs.Consts
+{
+    /// <summary>
+    /// 常量定义
+    /// </summary>
+
+    public class ArticleConst
+    {
+        public const string 文章不存在 = "传入的文章id不存在";
+
+        public const string 文章无权限 = "该文章无权限";
+    }
+}