feat: enum、string

src/NSExt.Tests/NSExt.Tests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0-preview-20221221-03" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
         <PackageReference Include="xunit" Version="2.4.2" />
     </ItemGroup>
     <ItemGroup>

src/NSExt.Tests/TestCase.cs

@@ -17,7 +17,7 @@ public class TestCase
         _testOutputHelper = testOutputHelper;
     }
 
-    public enum MyEnum
+    public enum MyEnum1
     {
         [ResourceDescription<TestCase>(nameof(Description))]
         Online = 1
@@ -33,7 +33,7 @@ public class TestCase
     [Fact]
     public void Case1()
     {
-        var test = MyEnum.Online.ResDesc<TestCase>();
+        var test = MyEnum1.Online.ResDesc<TestCase>();
 
         _testOutputHelper.WriteLine(test);
         Assert.True(test is not null);

src/NSExt/Extensions/EnumExtensions.cs

@@ -1,3 +1,4 @@
+using System.ComponentModel.DataAnnotations;
 using System.Reflection;
 using NSExt.Attributes;
 
@@ -13,6 +14,7 @@ public static class EnumExtensions
     /// </summary>
     /// <param name="e">枚举对象</param>
     /// <returns>description属性</returns>
+    [Obsolete(nameof(ResDesc))]
     public static string Desc(this Enum e)
     {
         var typeOfEnum  = e.GetType();
@@ -27,6 +29,23 @@ public static class EnumExtensions
         return locAttr is null ? str : locAttr.ResourceClass.GetProperty(str)?.GetValue(default) as string ?? str;
     }
 
+    /// <summary>
+    ///     通过类泛型类型获取特性
+    /// </summary>
+    public static T GetAttributeOfType<T>(this Enum me)
+        where T : Attribute
+    {
+        return me.GetType().GetMember(me.ToString()).First().GetCustomAttributes<T>(false).FirstOrDefault();
+    }
+
+    /// <summary>
+    ///     获取显示特性
+    /// </summary>
+    public static DisplayAttribute GetDisplay(this Enum me)
+    {
+        return me.GetAttributeOfType<DisplayAttribute>();
+    }
+
     /// <summary>
     ///     获取枚举的本地化资源描述
     /// </summary>

src/NSExt/Extensions/StringExtensions.cs

@@ -495,6 +495,25 @@ public static class StringExtensions
         return $"<pre>{me}</pre>";
     }
 
+    /// <summary>
+    ///     首字母小写
+    /// </summary>
+    public static string ToLowerCamelCase(this string me)
+    {
+        return string.IsNullOrWhiteSpace(me)
+            ? me
+            : string.Concat( //
+                me[0].ToString(CultureInfo.InvariantCulture).ToLowerInvariant(), me.AsSpan(1));
+    }
+
+    /// <summary>
+    ///     首字母大写
+    /// </summary>
+    public static string ToUpperCamelCase(this string me)
+    {
+        return string.IsNullOrWhiteSpace(me) ? me : string.Concat(me[0].ToString().ToUpperInvariant(), me.AsSpan(1));
+    }
+
     /// <summary>
     ///     将连续多个空格替换成一个空格
     /// </summary>

src/NSExt/NSExt.csproj

@@ -24,7 +24,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
-        <PackageReference Include="MinVer" Version="4.3.0-beta.1">
+        <PackageReference Include="MinVer" Version="4.3.0">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>