feat(Link): add Rel parameter #4437 (#4438)

* feat(Link): 添加 Rel 属性参数 #4437

* refactor: 代码格式化

* test: 更新单元测试

---------

Co-authored-by: Argo-AsicoTech <[email protected]>

Author: densen2014

src/BootstrapBlazor/Components/HtmlTag/Link.razor

@@ -1,4 +1,4 @@
 @namespace BootstrapBlazor.Components
 @inherits BootstrapComponentBase
 
-<link @attributes="AdditionalAttributes" href="@GetHref()" rel="stylesheet" />
+<link @attributes="AdditionalAttributes" href="@GetHref()" rel="@Rel" />

src/BootstrapBlazor/Components/HtmlTag/Link.razor.cs

@@ -16,6 +16,12 @@ public partial class Link
     [EditorRequired]
     public string? Href { get; set; }
 
+    /// <summary>
+    /// 获得/设置 Rel 属性值, 默认 stylesheet
+    /// </summary>
+    [Parameter]
+    public string? Rel { get; set; } = "stylesheet";
+
     /// <summary>
     /// 获得/设置 版本号 默认 null 自动生成
     /// </summary>

test/UnitTest/Components/LinkTest.cs

@@ -12,9 +12,10 @@ public void Link_Ok()
         var cut = Context.RenderComponent<Link>(pb =>
         {
             pb.Add(a => a.Href, "http://www.blazor.zone");
+            pb.Add(a => a.Rel, "stylesheet-test");
         });
         var versionService = cut.Services.GetRequiredService<IVersionService>();
-        Assert.Equal($"<link href=\"http://www.blazor.zone?v={versionService.GetVersion()}\" rel=\"stylesheet\" />", cut.Markup);
+        Assert.Equal($"<link href=\"http://www.blazor.zone?v={versionService.GetVersion()}\" rel=\"stylesheet-test\" />", cut.Markup);
     }
 
     [Fact]