From 520abc3454cddbcd6bcb71eab6e5bc8ee9f86cc8 Mon Sep 17 00:00:00 2001
From: falcon <9504402@qq.com>
Date: Thu, 7 Apr 2022 16:20:14 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0Object=E6=89=A9=E5=B1=95?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95CloneTo=E5=92=8CCloneFrom=E6=96=B9=E6=B3=95?=
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---
 Falcon.SugarApi.Test/ObjectExtendTest.cs | 58 ++++++++++++++++++++++++
 Falcon.SugarApi/ObjectExtend.cs          | 42 +++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 Falcon.SugarApi.Test/ObjectExtendTest.cs
 create mode 100644 Falcon.SugarApi/ObjectExtend.cs

diff --git a/Falcon.SugarApi.Test/ObjectExtendTest.cs b/Falcon.SugarApi.Test/ObjectExtendTest.cs
new file mode 100644
index 0000000..0eb318a
--- /dev/null
+++ b/Falcon.SugarApi.Test/ObjectExtendTest.cs
@@ -0,0 +1,58 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Falcon.SugarApi;
+
+namespace Falcon.SugarApi.Test
+{
+    [TestClass]
+    public class ObjectExtendTest
+    {
+        [TestMethod]
+        public void CloneToTest() {
+            var s = new SourceClass { };
+            var t = new TargetClass { };
+            t.ica.ItemA = "itemb";
+
+            Assert.IsTrue(t.ica.ItemA == "itemb");
+
+            var r = s.CloneTo(t);
+
+            Assert.IsNotNull(s);
+            Assert.IsNotNull(r);
+            Assert.IsNotNull(t);
+            Assert.IsTrue(s.ia == t.ia, $"a.id:{s.ia},t.ia:{t.ia}");
+            Assert.IsTrue(t.ia == 1);
+            Assert.IsTrue(s.sa == t.sa);
+            Assert.IsTrue(s.sc == "sc");
+            Assert.IsTrue(t.sd == "sd");
+            Assert.IsTrue(s.ica.ItemA == "itema");
+            Assert.IsTrue(t.ica.ItemA == "itema");
+            Assert.IsTrue(t.ica.Equals(s.ica));
+        }
+    }
+
+    public class SourceClass
+    {
+        public int ia { get; set; } = 1;
+        public string sa { get; set; } = "sa";
+        public string sc { get; set; } = "sc";
+        public ItemClass ica { get; set; } = new ItemClass();
+    }
+
+    public class TargetClass
+    {
+        public int ia { get; set; }
+        public string sa { get; set; }
+        public string sd { get; set; } = "sd";
+        public ItemClass ica { get; set; } = new ItemClass();
+    }
+
+    public class ItemClass
+    {
+        public string ItemA { get; set; } = "itema";
+    }
+}
diff --git a/Falcon.SugarApi/ObjectExtend.cs b/Falcon.SugarApi/ObjectExtend.cs
new file mode 100644
index 0000000..805881b
--- /dev/null
+++ b/Falcon.SugarApi/ObjectExtend.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+
+namespace Falcon.SugarApi
+{
+    /// <summary>
+    /// Object类型扩展方法
+    /// </summary>
+    public static class ObjectExtend
+    {
+        /// <summary>
+        /// 对source进行浅表复制，并复制到target中
+        /// </summary>
+        /// <typeparam name="TSource">原对象类型</typeparam>
+        /// <param name="source">原对象</param>
+        /// <param name="target">目标对象</param>
+        public static TSource CloneTo<TSource>(this TSource source, [NotNull] object target) where TSource : class {
+            _ = source ?? throw new ArgumentNullException(nameof(source));
+            _ = target ?? throw new ArgumentNullException(nameof(target));
+            var all = from s in source.GetType().GetProperties()
+                      join t in target.GetType().GetProperties() on s.Name equals t.Name
+                      select new { s, t };
+            foreach (var item in all) {
+                item.t.SetValue(target, Convert.ChangeType(item.s.GetValue(source), item.s.PropertyType));
+            }
+            return source;
+        }
+
+        /// <summary>
+        /// 从原对象中浅表复制属性值
+        /// </summary>
+        /// <typeparam name="Ttarget">目标对象类型</typeparam>
+        /// <param name="target">目标对象</param>
+        /// <param name="source">原对象</param>
+        /// <returns>目标对象</returns>
+        public static Ttarget CloneFrom<Ttarget>(this Ttarget target, object source) where Ttarget : class {
+            source.CloneTo(target);
+            return target;
+        }
+    }
+}