refactor: 精简代码

Author: ArgoZhang

src/BootstrapBlazor/Components/Message/Message.razor

@@ -3,7 +3,7 @@
 @attribute [BootstrapModuleAutoLoader(JSObjectReference = true)]
 
 <div id="@Id" class="@ClassString" style="@StyleName" role="alert">
-    @foreach (var item in GetMessages())
+    @foreach (var item in MessagesForRender)
     {
         <div @key="item" id="@GetItemId(item)" role="alertdialog" class="@GetItemClassString(item)" data-bb-autohide="@GetAutoHideString(item)" data-bb-delay="@item.Delay">
             @if (!string.IsNullOrEmpty(item.Icon))

src/BootstrapBlazor/Components/Message/Message.razor.cs

@@ -27,6 +27,10 @@ public partial class Message
 
     private readonly List<MessageOption> _messages = [];
 
+    private IEnumerable<MessageOption> MessagesForRender => Placement == Placement.Bottom
+        ? _messages.AsEnumerable().Reverse()
+        : _messages;
+
     /// <summary>
     /// 获得/设置 显示位置 默认为 Top
     /// </summary>
@@ -85,17 +89,6 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
         }
     }
 
-    private List<MessageOption> GetMessages()
-    {
-        var messages = new List<MessageOption>(_messages);
-        if (Placement == Placement.Bottom)
-        {
-            messages.Reverse();
-        }
-
-        return messages;
-    }
-
     /// <summary>
     /// 设置 容器位置方法
     /// </summary>