doc: 增加过期时间

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Pages/CacaheExpiration.razor

@@ -0,0 +1 @@
+@ExpirationTime

src/BootstrapBlazor.Server/Components/Pages/CacaheExpiration.razor.cs

@@ -0,0 +1,62 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
+
+using Microsoft.Extensions.Caching.Memory;
+
+namespace BootstrapBlazor.Server.Components.Pages;
+
+/// <summary>
+/// CacaheExpiration 组件
+/// </summary>
+public partial class CacaheExpiration
+{
+    [Inject, NotNull]
+    private ICacheManager? CacheManager { get; set; }
+
+    /// <summary>
+    /// 获得/设置 <see cref="TableColumnContext{TItem, TValue}"/> 实例
+    /// </summary>
+    [Parameter, NotNull]
+    public object? Key { get; set; }
+
+    private string? ExpirationTime { get; set; }
+
+    /// <summary>
+    /// <inheritdoc/>
+    /// </summary>
+    /// <returns></returns>
+    protected override async Task OnParametersSetAsync()
+    {
+        await base.OnParametersSetAsync();
+
+        await GetCacheEntryExpiration();
+    }
+
+    private async Task GetCacheEntryExpiration()
+    {
+        ExpirationTime = "loading ...";
+        await Task.Yield();
+
+        if (CacheManager.TryGetCacheEntry(Key, out ICacheEntry? entry))
+        {
+            if (entry.Priority == CacheItemPriority.NeverRemove)
+            {
+                ExpirationTime = "Never Remove";
+            }
+            else if (entry.SlidingExpiration.HasValue)
+            {
+                ExpirationTime = $"Sliding: {entry.SlidingExpiration.Value}";
+            }
+            else if (entry.AbsoluteExpiration.HasValue)
+            {
+                ExpirationTime = $"Absolute: {entry.AbsoluteExpiration.Value}";
+            }
+            else if (entry.ExpirationTokens.Count != 0)
+            {
+                ExpirationTime = $"Token: {entry.ExpirationTokens.Count}";
+            }
+        }
+    }
+}

src/BootstrapBlazor.Server/Components/Pages/CacheList.razor

@@ -20,7 +20,7 @@
             </TableTemplateColumn>
             <TableTemplateColumn Text="@Localizer["CacheListExpiration"]" Width="160">
                 <Template Context="v">
-                    
+                    <CacaheExpiration Key="v.Row"></CacaheExpiration>
                 </Template>
             </TableTemplateColumn>
             <TableTemplateColumn Text="@Localizer["CacheListAction"]" Width="80">

src/BootstrapBlazor.Server/Components/Pages/CacheList.razor.cs

@@ -49,7 +49,7 @@ private void OnRefresh()
 
     private void UpdateCacheList()
     {
-        _cacheList = CacheManager.Keys.OrderBy(i => i.ToString()).ToList();
+        _cacheList = [.. CacheManager.Keys.OrderBy(i => i.ToString())];
     }
 
     private string GetValue(object key)