为对象增加ExpandProperties方法，该方法扩展对象的属性成为ExpandPropertyInfo枚举记录属性的名称、类型和值。

.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# CS8618: 在退出构造函数时，不可为 null 的字段必须包含非 null 值。请考虑声明为可以为 null。
+dotnet_diagnostic.CS8618.severity = none

Falcon.SugarApi.Test/ObjectExtendTest.cs

@@ -51,6 +51,52 @@ namespace Falcon.SugarApi.Test
             obj=null;
             Assert.ThrowsException<ArgumentNullException>(() => obj.ThrowNullExceptionWhenNull());
         }
+
+        /// <summary>
+        /// 测试对象属性扩展
+        /// </summary>
+        [TestMethod]
+        public void ExtendPropertyTest() {
+            var obj = new ExtendPropertyTestClass {
+                Id=1,Name="Falcon",Sex=null,Count="count"
+            };
+            var ep = obj.ExpandProperties();
+            Assert.IsNotNull(ep);
+            Assert.IsTrue(ep.Count()==4);
+            Assert.IsTrue(ep.Select(m => m.Name).Distinct().Count()==4);
+            foreach(var p in ep) {
+                if(p.Name=="Id") {
+                    Assert.IsTrue(p.Type==typeof(int));
+                    Assert.IsTrue(p.Value.Equals(obj.Id));
+                    continue;
+                }
+                if(p.Name=="Name") {
+                    Assert.IsTrue(p.Type==typeof(string));
+                    Assert.IsTrue(p.Value.Equals(obj.Name));
+                    continue;
+                }
+                if(p.Name=="Sex") {
+                    Assert.IsTrue(p.Type==typeof(string));
+                    Assert.IsTrue(p.Value==null);
+                    continue;
+                }
+                if(p.Name=="Count") {
+                    Assert.IsTrue(p.Type==typeof(string));
+                    Assert.IsTrue(p.Value=="count");
+                    continue;
+                }
+            }
+        }
+    }
+    /// <summary>
+    /// 扩展属性测试类
+    /// </summary>
+    public class ExtendPropertyTestClass
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public string? Sex { get; set; }
+        public string Count { private get; set; }
     }
 
     public class SourceClass

Falcon.SugarApi.sln

@@ -9,6 +9,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Falcon.SugarApi.Test", "Fal
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{08995833-E4C9-4222-9084-36BA32B9490E}"
 	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
 		README.md = README.md
 	EndProjectSection
 EndProject

Falcon.SugarApi/Falcon.SugarApi.csproj

@@ -10,6 +10,10 @@
 		<Version>1.0.0</Version>
 	</PropertyGroup>
 
+	<ItemGroup>
+	  <None Include="..\.editorconfig" Link=".editorconfig" />
+	</ItemGroup>
+
 	<ItemGroup>
 		<!--<PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />-->
 		<PackageReference Include="JWT" Version="9.0.3" />

Falcon.SugarApi/ObjectExtend.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Collections.Generic;
 using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
+using System.Reflection;
 
 namespace Falcon.SugarApi
 {
@@ -23,7 +25,7 @@ namespace Falcon.SugarApi
                       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.t.PropertyType));
+                //item.t.SetValue(target, Convert.ChangeType(item.s.GetValue(source), item.t.Type));
                 item.t.SetValue(target,item.s.GetValue(source).ChangeType(item.t.PropertyType));
             }
             return source;
@@ -73,5 +75,40 @@ namespace Falcon.SugarApi
             }
             return obj;
         }
+
+        /// <summary>
+        /// 扩展对象，获取属性枚举s
+        /// </summary>
+        /// <param name="obj">要扩展的对象</param>
+        /// <returns></returns>
+        public static IEnumerable<ExpandPropertyInfo> ExpandProperties(this object obj) {
+            foreach(PropertyInfo p in obj.GetType().GetProperties()) {
+                yield return new ExpandPropertyInfo {
+                    Name=p.Name,
+                    Type=p.PropertyType,
+                    Value=p.CanRead ? p.GetValue(obj) : null,
+                };
             }
         }
+    }
+
+    /// <summary>
+    /// 展开的属性信息
+    /// </summary>
+    public class ExpandPropertyInfo
+    {
+        /// <summary>
+        /// 属性名
+        /// </summary>
+        public string Name { get; set; }
+        /// <summary>
+        /// 属性类型
+        /// </summary>
+        public Type Type { get; set; }
+        /// <summary>
+        /// 属性值
+        /// </summary>
+        public object? Value { get; set; }
+    }
+
+}