Session,token和cookie简介，待续

1.Session

startup.cs

public void ConfigureServices(IServiceCollection services)
{
services.AddControllersWithViews();

services.AddSession();
}

app.UseSession();

     

   public IActionResult Index()
        {
            var user = base.HttpContext.Session.GetString("CurrentUser");
            if (string.IsNullOrEmpty(user)) {
                base.HttpContext.Session.SetString("CurrentUser", DateTime.Now.ToString());
            }
            base.ViewBag.User = base.HttpContext.Session.GetString("CurrentUser");
            return View();
        }

刷新后，时间是固定的