From 404e1085a722dd6079fd97165778814566233ef1 Mon Sep 17 00:00:00 2001
From: falcon <9504402@qq.com>
Date: Wed, 8 Mar 2023 15:56:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E4=BA=86=E4=B8=80=E4=B8=AA?=
 =?UTF-8?q?=E9=80=9A=E7=94=A8=E7=9A=84IEqualityComparer<T>=E5=AE=9E?=
 =?UTF-8?q?=E7=8E=B0?=
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---
 Falcon.SugarApi/ObjectComparer.cs | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Falcon.SugarApi/ObjectComparer.cs

diff --git a/Falcon.SugarApi/ObjectComparer.cs b/Falcon.SugarApi/ObjectComparer.cs
new file mode 100644
index 0000000..b2aa265
--- /dev/null
+++ b/Falcon.SugarApi/ObjectComparer.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Falcon.SugarApi
+{
+    /// <summary>
+    /// 通用Object比较接口
+    /// </summary>
+    /// <typeparam name="T">对象类型</typeparam>
+    public class ObjectComparer<T>:IEqualityComparer<T> where T : class
+    {
+        /// <summary>
+        /// 比较两个对象是否相等
+        /// </summary>
+        /// <param name="x">对象1</param>
+        /// <param name="y">对象2</param>
+        /// <returns>True相等，False不相等</returns>
+        public virtual bool Equals(T? x,T? y) {
+            if(x == null && y == null) {
+                return true;
+            }
+            if(x == null || y == null) {
+                return false;
+            }
+            foreach(var p in typeof(T).GetProperties()) {
+                if(p.CanRead) {
+                    var v1 = p.GetValue(x);
+                    var v2 = p.GetValue(y);
+                    if(v1!=v2) {
+                        return false;
+                    }
+                }
+            }
+            return true;
+        }
+
+        /// <summary>
+        /// 获取对象HashCode
+        /// </summary>
+        /// <param name="obj">要获取的对象</param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public int GetHashCode([DisallowNull] T obj) {
+            throw new NotImplementedException();
+        }
+    }
+}