添加项目文件。

TechHelper.Client/Pages/Manage/Class.razor.cs

@@ -0,0 +1,62 @@
+using Entities.DTO;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Authorization;
+using MudBlazor;
+using System.Collections.Frozen;
+using System.ComponentModel.DataAnnotations;
+using TechHelper.Client.HttpRepository;
+using TechHelper.Client.Services;
+
+namespace TechHelper.Client.Pages.Manage
+{
+	public partial class Class
+	{
+		private UserRegistrationToClassDto _userRegistrationToClassDto = new UserRegistrationToClassDto();
+		private string? username;
+		private string? phoneNumber;
+
+		[Inject]
+		public ISnackbar Snackbar { get; set; }
+		[Inject]
+		public IAuthenticationClientService Authentication  { get; set; }
+		[Inject]
+		public IClassServices ClassServices { get; set; }
+
+		[CascadingParameter]
+		private Task<AuthenticationState> authenticationStateTask { get; set; }
+
+		[SupplyParameterFromForm]
+		private InputModel Input { get; set; } = new();
+
+		protected override async Task OnInitializedAsync()
+		{
+			username = authenticationStateTask.Result.User.Identity.Name;
+			phoneNumber = authenticationStateTask.Result.User.Identity.IsAuthenticated.ToString();
+
+			Input.PhoneNumber ??= phoneNumber;
+		}
+
+		private async Task Register()
+		{
+			_userRegistrationToClassDto.User = authenticationStateTask.Result.User.Identity.Name?? "";
+			var result = await ClassServices.UserRegister(_userRegistrationToClassDto);
+			if (result.IsSuccessfulRegistration)
+			{
+				var token = await Authentication.RefreshTokenAsync();
+				Snackbar.Add("<22>༶ע<E0BCB6><D7A2><EFBFBD>ɹ<EFBFBD>", Severity.Info);
+			}
+			else
+			{
+				Snackbar.Add(result.Errors.First(), Severity.Error);
+			}
+
+		}
+
+		private sealed class InputModel
+		{
+			[Phone]
+			[Display(Name = "Phone number")]
+			public string? PhoneNumber { get; set; }
+		}
+	}
+}