问Blazor Server -一个URL

EN

public class MyPageData
{
    public int Value { get; set; }
}

builder.Services.AddServerSideBlazor();
builder.Services.AddScoped<MyPageData>();

@page "/"
@inject MyPageData myPageData
@inject NavigationManager NavManager

<PageTitle>Index</PageTitle>

<h1>Hello, world!</h1>

Welcome to your new app.

<SurveyPrompt Title="How is Blazor working for you?" />

<button class="btn btn-primary" @onclick=this.GottoCounter>Go to Counter Page</button> 

@code {
    private void GottoCounter()
    {
        this.myPageData.Value = 10;
        NavManager.NavigateTo("/Counter");
    }
}

@page "/counter"
@inject MyPageData myPageData

<PageTitle>Counter</PageTitle>

<h1>Counter</h1>

<p role="status">Current count: @currentCount</p>

<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>

@code {
    private int currentCount = 0;

    protected override void OnInitialized()
    {
        currentCount = myPageData.Value;
    }

    private void IncrementCount()
    {
        currentCount++;
    }
}