1、声明Session

HttpContext.Session.SetString("User4", "赵柳");

2、使用Session

Context.Session.GetString("User4");

3、注册Session

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllersWithViews();

//注册session

{

    builder.Services.AddSession();

}

var app = builder.Build();

// Configure the HTTP request pipeline.

if (!app.Environment.IsDevelopment())

{

    app.UseExceptionHandler("/Home/Error");

}

//注册Seesion

app.UseSession();

app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

app.MapControllerRoute(

    name: "default",

    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();