BootstrapBlazorApp1.Server/Controllers/AccountController.cs

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using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System.Security.Claims;
using System.Threading.Tasks;

namespace BootstrapBlazorApp1.Server.Controllers
{
    /// <summary>
    /// Account controller.
    /// </summary>
    [AllowAnonymous]
    public class AccountController : Controller
    {
        /// <summary>
        /// 系统登录方法
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult Login()
        {
            return View();
        }

        /// <summary>
        /// Login the specified userName, password and remember.
        /// </summary>
        /// <returns>The login.</returns>
        /// <param name="userName">User name.</param>
        /// <param name="password">Password.</param>
        [HttpPost]
        public async Task<IActionResult> Login(string userName, string password)
        {
            var identity = new ClaimsIdentity(CookieAuthenticationDefaults.AuthenticationScheme);
            identity.AddClaim(new Claim(ClaimTypes.Name, userName));
            await HttpContext.SignInAsync(new ClaimsPrincipal(identity));
            return Redirect("/");
        }

        /// <summary>
        /// Logout this instance.
        /// </summary>
        /// <param name="appId"></param>
        /// <returns>The logout.</returns>
        [HttpGet]
        public async Task<IActionResult> Logout()
        {
            await HttpContext.SignOutAsync();
            return Redirect("/Account/Login");
        }
    }
}