refactor: 重构 OnTriggerClickAsync

Author: ArgoZhang

src/BootstrapBlazor/Components/Checkbox/Checkbox.razor.cs

@@ -170,15 +170,13 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
     /// </summary>
     /// <returns></returns>
     [JSInvokable]
-    public async ValueTask<bool> OnTriggerClickAsync(string? state = null)
+    public async ValueTask<bool> OnTriggerClickAsync(CheckboxState? state = null)
     {
         // 本组件由于支持 OnBeforeStateChanged 回调方法，所以设计上移除了 onclick 事件，改为通过 JS 调用 TriggerClick 方法
-        // state 值 1 表示 Checked 状态，0 表示 UnChecked 状态
-
         // state 有值时表示同步状态功能
-        if (!string.IsNullOrEmpty(state))
+        if (state.HasValue)
         {
-            State = state == "1" ? CheckboxState.UnChecked : CheckboxState.Checked;
+            State = state.Value;
             return true;
         }
 

src/BootstrapBlazor/Components/Checkbox/Checkbox.razor.js

@@ -24,7 +24,7 @@ export function init(id, invoke, method) {
                 el.parentElement.classList.add('is-checked');
             }
         }
-        var result = await invoke.invokeMethodAsync(method, state);
+        var result = await invoke.invokeMethodAsync(method, state == "1" ? 0 : 1);
         if (result === false) {
             e.preventDefault();
         }