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Yes.Domain/Articles/TagEntity.cs

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+namespace Yes.Domain.Articles
+{
+    /// <summary>
+    /// 标签
+    /// </summary>
+    [Table("Tag")]
+    public class TagEntity
+    {
+        [Key]
+        public int Id { get; set; }
+
+
+        /// <summary>
+        /// 名称
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 创建时间
+        /// </summary>
+        public DateTime CreateDate { get; set; }
+
+        /// <summary>
+        /// 缩略名
+        /// </summary>
+        public string Slug { get; set; }
+
+
+        public static TagEntity Create(string name, string slug="")
+        {
+            return new TagEntity()
+            {
+                Name = name ?? "",
+                Slug = slug ?? name ?? "",
+                CreateDate = DateTime.Now,
+            };
+        }
+
+        public void Update(string slug)
+        {
+            Slug = slug ?? "";
+        }
+    }
+}