爆肝，重构框架，你懂得

Yi.Framework.Net6/Yi.Framework.Model/Base/IEntity.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.Model.Base
+{
+    /// <summary>
+    /// Defines an entity. It's primary key may not be "Id" or it may have a composite primary key.
+    /// Use <see cref="IEntity{TKey}"/> where possible for better integration to repositories and other structures in the framework.
+    /// </summary>
+    public interface IEntity
+    {
+        /// <summary>
+        /// Returns an array of ordered keys for this entity.
+        /// </summary>
+        /// <returns></returns>
+        object[] GetKeys();
+    }
+
+    /// <summary>
+    /// Defines an entity with a single primary key with "Id" property.
+    /// </summary>
+    /// <typeparam name="TKey">Type of the primary key of the entity</typeparam>
+    public interface IEntity<TKey> : IEntity
+    {
+        /// <summary>
+        /// Unique identifier for this entity.
+        /// </summary>
+        TKey Id { get; }
+    }
+}