Blazor-父子组件传递任意参数

<h3>ParameterChild</h3>
<ul>
    @if (Parameters != null)
    {
        @foreach (var item in Parameters)
        {
            <li>key=@item.Key，value=@item.Value</li>
        }
    }
</ul>
@code {
    [Parameter(CaptureUnmatchedValues = true)]
    public Dictionary<string, object>? Parameters { get; set; }
}

@page "/demoPage"
@rendermode InteractiveAuto
<h3>DemoPage</h3>
<ParameterChild class="123" x1 ="2"></ParameterChild>

@code {
    
}