doc: 增加样式设置示例

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/ExportPdfButtons.razor

@@ -19,7 +19,7 @@
             </TableColumns>
         </Table>
     </section>
-    <ExportPdfButton ElementId="table-9527-01" IsAsync="true" OnBeforeExport="OnBeforeExport" OnAfterDownload="OnAfterDownload" AutoDownload="true"></ExportPdfButton>
+    <ExportPdfButton ElementId="table-9527-01" IsAsync="true" OnBeforeExport="OnBeforeExport" OnAfterDownload="OnAfterDownload" AutoDownload="true" StyleTags="_styleTags"></ExportPdfButton>
 </DemoBlock>
 
 <DemoBlock Title="@Localizer["SelectorTitle"]" Introduction="@Localizer["SelectorIntro"]" Name="Selector">
@@ -41,7 +41,7 @@
             </div>
         </GroupBox>
     </section>
-    <ExportPdfButton Selector=".table-9527-02" IsAsync="true" OnBeforeExport="OnBeforeExport" OnAfterDownload="OnAfterDownload" AutoDownload="true" FileName="@PdfFileName"></ExportPdfButton>
+    <ExportPdfButton Selector=".table-9527-02" IsAsync="true" OnBeforeExport="OnBeforeExport" OnAfterDownload="OnAfterDownload" AutoDownload="true" FileName="@PdfFileName" StyleTags="_styleTags"></ExportPdfButton>
 </DemoBlock>
 
 <AttributeTable Items="@GetAttributes()" />

src/BootstrapBlazor.Server/Components/Samples/ExportPdfButtons.razor.cs

@@ -32,12 +32,17 @@ public partial class ExportPdfButtons
     [NotNull]
     private ToastService? ToastService { get; set; }
 
+    [Inject, NotNull]
+    private NavigationManager? NavigationManager { get; set; }
+
     private Task OnBeforeExport() => ToastService.Information(Localizer["ToastTitle"], Localizer["ToastContent"]);
 
     private static string PdfFileName => $"Pdf-{DateTime.Now:HHmmss}.pdf";
 
     private Task OnAfterDownload(string fileName) => ToastService.Success(Localizer["ToastDownloadTitle"], Localizer["ToastDownloadContent", fileName]);
 
+    private List<string> _styleTags = [];
+
     /// <summary>
     /// <inheritdoc/>
     /// </summary>
@@ -46,6 +51,11 @@ protected override void OnInitialized()
         Items = Foo.GenerateFoo(FooLocalizer);
         Hobbies = Foo.GenerateHobbies(FooLocalizer);
         Model = Foo.Generate(FooLocalizer);
+
+        _styleTags.AddRange([
+            $"{NavigationManager.BaseUri}_content/BootstrapBlazor.FontAwesome/css/font-awesome.min.css",
+            $"{NavigationManager.BaseUri}_content/BootstrapBlazor/css/bootstrap.blazor.bundle.min.css"
+        ]);
     }
 
     private AttributeItem[] GetAttributes() =>