抑制触发的blazor输入事件

@page "/debounce-example"
@using System.Threading.Tasks

<input @bind="searchText" @oninput="OnInputDebounced" />

@code {
    private string searchText;
    private Timer debounceTimer;

    private async Task OnInputDebounced(ChangeEventArgs e)
    {
        // Clear the previous timer if it exists
        debounceTimer?.Dispose();

        // Set a new timer
        debounceTimer = new Timer(async _ => await OnSearchAsync(e.Value.ToString()), null, 300, Timeout.Infinite);
    }

    private async Task OnSearchAsync(string query)
    {
        // Simulate an asynchronous search operation
        await Task.Delay(100);
        searchText = query;
        StateHasChanged();
    }

    public void Dispose()
    {
        debounceTimer?.Dispose();
    }
}