在ASP.NET Core 2.1中,我无法访问会话变量。在调试过程中,我注意到每个请求中的会话ID都会更改(HttpContex.Session.Id)。我在会话配置方面犯了错误吗?
Startup.cs
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.None;
});
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
// Adds a default in-memory implementation of IDistributedCache.
services.AddDistributedMemoryCache();
services.AddSession(options =>
{
// Set a short timeout for easy testing.
options.IdleTimeout = TimeSpan.FromSeconds(1000);
options.Cookie.HttpOnly = true;
});
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
app.UseSession();
if (env.IsDevelopment())
{
app.UseBrowserLink();
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseCookiePolicy();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
}
}
程序.cs
public class Program
{
public static void Main(string[] args)
{
CreateWebHostBuilder(args).Build().Run();
}
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>();
}
在调试过程中,我注意到每次请求的会话 ID 都会变化(HttpContex.Session.Id)。
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using ucms6.Models;
namespace ucms6.Controllers
{
public class HomeController : Controller
{
const string SessionKeyName = "_Name";
const string SessionKeyYearsMember = "_YearsMember";
const string SessionKeyDate = "_Date";
public IActionResult Index()
{
// Requires using Microsoft.AspNetCore.Http;
HttpContext.Session.SetString(SessionKeyName, "Rick");
HttpContext.Session.SetInt32(SessionKeyYearsMember, 3);
return RedirectToAction("SessionNameYears");
// return View();
}
public IActionResult SessionNameYears()
{
var name = HttpContext.Session.GetString(SessionKeyName);
var yearsMember = HttpContext.Session.GetInt32(SessionKeyYearsMember);
return Content($"Name: \"{name}\", Membership years: \"{yearsMember}\"");
}
public IActionResult About()
{
ViewData["Message"] = "Your application description page.";
return View();
}
CheckConsentNeeded
默认为true
是为了符合GDPR合规要求。如果您在同意弹出窗口上点击接受(在默认模板的情况下),则会启动您期望的会话cookie。 GDPR规定了cookie的操作方式,只有在用户同意使用它们之后才会被使用。 - Jim Gilmartin