doc(Select): update ShowSwal sample code (#6248)

* refactor: 更新示例

* doc: 更新文档

Author: ArgoZhang

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

@@ -364,9 +364,15 @@
 <DemoBlock Title="@Localizer["SelectsConfirmSelectTitle"]"
            Introduction="@Localizer["SelectsConfirmSelectIntro"]"
            Name="ConfirmSelect">
+    <section ignore>
+        <ul class="ul-demo">
+            <li>@((MarkupString)Localizer["SelectConfifrmSelectDesc1"].Value)</li>
+            <li>@((MarkupString)Localizer["SelectConfifrmSelectDesc2"].Value)</li>
+        </ul>
+    </section>
     <div class="row">
         <div class="col-12 col-sm-6">
-            <Select TValue="string" Items="Items" OnBeforeSelectedItemChange="@OnBeforeSelectedItemChange"
+            <Select TValue="string" Items="Items" ShowSwal="true"
                     SwalTitle="@Localizer["SwalTitle"]" SwalContent="@Localizer["SwalContent"]" SwalFooter="@Localizer["SwalFooter"]" />
         </div>
     </div>

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

@@ -3219,7 +3219,9 @@
     "SelectsShowSearchTitle": "Drop-down box with search box",
     "SelectsShowSearchIntro": "Controls whether the search box is displayed by setting the <code>ShowSearch</code> property, which is not displayed by default <b>false</b>. You can set the <code>IsAutoClearSearchTextWhenCollapsed</code> parameter to control whether the text in the search box is automatically cleared after the drop-down box is collapsed. The default value is <b>false</b>.",
     "SelectsConfirmSelectTitle": "Drop-down box with confirmation",
-    "SelectsConfirmSelectIntro": "Block changes to the current value by setting the <code>OnBeforeSelectedItemChange</code> delegate.",
+    "SelectsConfirmSelectIntro": "Prevent the current value from changing by setting the <code>OnBeforeSelectedItemChange</code> delegate or setting the <code>ShowSwal</code> parameter to <code>true</code>.",
+    "SelectConfifrmSelectDesc1": "Set the <code>OnBeforeSelectedItemChange</code> callback method, and pop up a window in the callback method to confirm whether to change the value. If it returns <code>true</code>, the value will be changed, otherwise it will not be changed.",
+    "SelectConfifrmSelectDesc2": "Set <code>ShowSwal=\"true\"</code> and then confirm the value of the <code>SwalTitle</code> <code>SwalContent</code> parameter using the built-in popup window. In the callback method, you can confirm whether to change the value.",
     "SelectsTimeZoneTitle": "Timezone",
     "SelectsTimeZoneIntro": "Display data of Timezone",
     "SwalTitle": "The drop-down box value changes",

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

@@ -3219,7 +3219,9 @@
     "SelectsShowSearchTitle": "带搜索框的下拉框",
     "SelectsShowSearchIntro": "通过设置 <code>ShowSearch</code> 属性控制是否显示搜索框，默认为 <b>false</b> 不显示搜索框，可以通过设置 <code>IsAutoClearSearchTextWhenCollapsed</code> 参数控制下拉框收起后是否自动清空搜索框内文字，默认值为 <b>false</b> 不清空",
     "SelectsConfirmSelectTitle": "带确认的下拉框",
-    "SelectsConfirmSelectIntro": "通过设置 <code>OnBeforeSelectedItemChange</code> 委托，阻止当前值的改变",
+    "SelectsConfirmSelectIntro": "通过设置 <code>OnBeforeSelectedItemChange</code> 委托或者设置 <code>ShowSwal</code> 参数值为 <code>true</code>，阻止当前值的改变。",
+    "SelectConfifrmSelectDesc1": "设置 <code>OnBeforeSelectedItemChange</code> 回调方法，在回调方法内自己弹窗确认是否更改值，返回 <code>true</code> 时更改，否则不更改",
+    "SelectConfifrmSelectDesc2": "设置 <code>ShowSwal=\"true\"</code> 然后通过设置 <code>SwalTitle</code> <code>SwalContent</code> 参数值使用内置弹窗进行确认即可，在回调方法内自己弹窗确认是否更改值",
     "SelectsTimeZoneTitle": "时区下拉框",
     "SelectsTimeZoneIntro": "下拉框展现时区数据",
     "SwalTitle": "下拉框值变更",