refactor: 更新扩展方法

Author: ArgoZhang

src/BootstrapBlazor/Components/Filters/TableFilter.razor.cs

@@ -47,6 +47,7 @@ public partial class TableFilter : IFilter
     /// 获得/设置 ITable 实例
     /// </summary>
     [Parameter]
+    [NotNull]
     public ITable? Table { get; set; }
 
     /// <summary>
@@ -76,11 +77,6 @@ public partial class TableFilter : IFilter
     [NotNull]
     public IFilterAction? FilterAction { get; set; }
 
-    /// <summary>
-    /// 获得 当前过滤条件是否激活
-    /// </summary>
-    internal bool HasFilter => (Table != null) && Table.Filters.ContainsKey(Column.GetFieldName());
-
     private string _fieldKey = "";
 
     /// <summary>
@@ -120,7 +116,7 @@ protected override async Task InvokeInitAsync()
     /// 过滤数据方法
     /// </summary>
     /// <returns></returns>
-    internal async Task OnFilterAsync()
+    public async Task OnFilterAsync()
     {
         if (Table != null)
         {

src/BootstrapBlazor/Extensions/TableFilterExtensions.cs

@@ -7,5 +7,12 @@ namespace BootstrapBlazor.Components;
 
 internal static class TableFilterExtensions
 {
-    public static bool HasFilter(this TableFilter? filter) => filter?.HasFilter ?? false;
+    public static bool HasFilter(this TableFilter? filter)
+    {
+        if (filter == null)
+        {
+            return false;
+        }
+        return filter.Table.Filters.ContainsKey(filter.Column.GetFieldName());
+    }
 }