.net core 3.1 get current user code example

Example 1: how get the user show mvc controller core 3.1

string userName = _httpContextAccessor.HttpContext.User.Identity.Name;

Example 2: how get the user show mvc controller core 3.1

services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();

Example 3: dotnet core 3.1 get the user that just logged in

private Task<ApplicationUser> GetCurrentUserAsync() => _userManager.GetUserAsync(HttpContext.User);