doc: 增加文档注释

Author: ArgoZhang

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

@@ -72,6 +72,20 @@
                 ShowDownloadButton="@_showDownloadButton" ShowZoomButton="@_showZoomButton" OnChange="@OnCardUpload"></CardUpload>
 </DemoBlock>
 
+<DemoBlock Title="@Localizer["UploadActionButtonTemplateTitle"]"
+		   Introduction="@Localizer["UploadActionButtonTemplateIntro"]"
+		   Name="ActionButtonTemplate">
+	<CardUpload TValue="string" IsMultiple="false" ShowDownloadButton="true" DefaultFileList="@DefaultFormatFileList.Take(1).ToList()"
+				OnChange="@OnCardUpload">
+		<BeforeActionButtonTemplate>
+			<Button Color="Color.Secondary" Icon="fa-solid fa-flag" OnClickWithoutRender="() => OnTest1Click(context)"></Button>
+		</BeforeActionButtonTemplate>
+		<ActionButtonTemplate>
+			<Button Color="Color.Secondary" Icon="fa-solid fa-home" OnClickWithoutRender="() => OnTest2Click(context)"></Button>
+		</ActionButtonTemplate>
+	</CardUpload>
+</DemoBlock>
+
 <DemoBlock Title="@Localizer["UploadFileIconTitle"]"
            Introduction="@Localizer["UploadFileIconIntro"]"
            Name="FileIcon">

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

@@ -62,6 +62,10 @@ private async Task OnCardUpload(UploadFile file)
         }
     }
 
+    private Task OnTest1Click(UploadFile file) => ToastService.Information("Action Button", $"{file.GetFileName()}");
+
+    private Task OnTest2Click(UploadFile file) => ToastService.Information("Action Button", $"{file.GetFileName()}");
+
     private async Task SaveToFile(UploadFile file)
     {
         // Server Side 使用

src/BootstrapBlazor.Server/Locales/en-US.json

@@ -3336,7 +3336,9 @@
     "UploadsFileError": "The file is larger than 5M. Please reselect the file to upload.",
     "UploadsSuccess": "File saved successfully",
     "UploadsSaveFileError": "File save failed",
-    "UploadsWasmError": "In wasm mode, please call the api to save"
+    "UploadsWasmError": "In wasm mode, please call the api to save",
+    "UploadActionButtonTemplateTitle": "Custom action button",
+    "UploadActionButtonTemplateIntro": "Customize the action buttons on the card by setting the `<code>ActionButtonTemplate</code>` parameter (appending it to the end of the default button), and customize the action buttons on the card by setting the `<code>BeforeActionButtonTemplate</code>` parameter (insert it before the default button)."
   },
   "BootstrapBlazor.Server.Components.Samples.UploadDrops": {
     "UploadsTitle": "DropUpload",

src/BootstrapBlazor.Server/Locales/zh-CN.json

@@ -3336,7 +3336,9 @@
     "UploadsFileError": "文件大于 5M 请重新选择文件上传",
     "UploadsSuccess": "文件保存成功",
     "UploadsSaveFileError": "文件保存失败",
-    "UploadsWasmError": "wasm 模式请调用 api 进行保存"
+    "UploadsWasmError": "wasm 模式请调用 api 进行保存",
+    "UploadActionButtonTemplateTitle": "自定义操作按钮",
+    "UploadActionButtonTemplateIntro": "通过设置 <code>ActionButtonTemplate</code> 参数，来自定义卡片上的操作按钮（在默认按钮后面追加），通过设置 <code>BeforeActionButtonTemplate</code> 参数，来自定义卡片上的操作按钮（在默认按钮前面追加）"
   },
   "BootstrapBlazor.Server.Components.Samples.UploadDrops": {
     "UploadsTitle": "DropUpload 拖拽上传组件",