添加项目文件。

TechHelper.Client/Pages/Manage/Class.razor

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+@page "/Account/Manage/Class"
+@using System.ComponentModel.DataAnnotations
+@using Entities.Contracts
+@using Microsoft.AspNetCore.Identity
+
+
+<PageTitle>Profile</PageTitle>
+
+@if (authenticationStateTask.Result.User.FindFirst("Class")?.Value == null)
+{
+
+	<EditForm Model="@_userRegistrationToClassDto" OnValidSubmit="Register" FormName="ClassForm">
+		<DataAnnotationsValidator />
+		<MudGrid>
+			<MudItem xs="12" sm="7">
+				<MudCard>
+					<MudCardContent>
+						<MudRadioGroup T="UserRoles" Label="Roles" @bind-Value="_userRegistrationToClassDto.Roles">
+							@foreach (UserRoles item in Enum.GetValues(typeof(UserRoles)))
+							{
+								if (item != UserRoles.Administrator)
+								{
+									<MudRadio Value="@item">@item.ToString()</MudRadio>
+								}
+							}
+						</MudRadioGroup>
+						<MudTextField Label="Grade" Class="mt-3"
+									  @bind-Value="_userRegistrationToClassDto.GradeId" For="@(() => _userRegistrationToClassDto.GradeId)" />
+						<MudTextField Label="Class" HelperText="请输入你的班级" Class="mt-3"
+									  @bind-Value="_userRegistrationToClassDto.ClassId" For="@(() => _userRegistrationToClassDto.ClassId)" />
+
+						@if (_userRegistrationToClassDto.Roles == UserRoles.Teacher)
+						{
+							<MudSelect @bind-Value="_userRegistrationToClassDto.SubjectArea" Label="Select Subject" AdornmentColor="Color.Secondary">
+								@foreach (SubjectAreaEnum item in Enum.GetValues(typeof(SubjectAreaEnum)))
+								{
+									<MudSelectItem Value="@item">@item</MudSelectItem>
+								}
+							</MudSelect>
+						}
+					</MudCardContent>
+					<MudCardActions>
+						<MudButton ButtonType="ButtonType.Submit" Variant="Variant.Filled" Color="Color.Primary" Class="ml-auto">Register</MudButton>
+					</MudCardActions>
+				</MudCard>
+			</MudItem>
+		</MudGrid>
+	</EditForm>
+
+
+}
+else
+{
+	<MudPaper>
+		<MudText Class="ma-3 pa-3"> 年级 : @authenticationStateTask.Result.User.FindFirst("Grade")?.Value.ToString() </MudText>
+		<MudText Class="ma-3 pa-3"> 班级 : @authenticationStateTask.Result.User.FindFirst("Class")?.Value.ToString() </MudText>
+	</MudPaper>
+}

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

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+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; }
+		}
+	}
+}

TechHelper.Client/Pages/Manage/Index.razor

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+@page "/Account/Manage"
+
+@using System.ComponentModel.DataAnnotations
+@using Microsoft.AspNetCore.Identity
+
+
+<PageTitle>Profile</PageTitle>
+
+<h3>Profile</h3>
+
+<div class="row">
+    <div class="col-md-6">
+        <EditForm Model="Input" FormName="profile" OnValidSubmit="OnValidSubmitAsync" method="post">
+            <DataAnnotationsValidator />
+            <ValidationSummary class="text-danger" role="alert" />
+            <div class="form-floating mb-3">
+                <input type="text" value="@username" class="form-control" placeholder="Please choose your username." disabled />
+                <label for="username" class="form-label">Username</label>
+            </div>
+            <div class="form-floating mb-3">
+                <InputText @bind-Value="Input.PhoneNumber" class="form-control" placeholder="Please enter your phone number." />
+                <label for="phone-number" class="form-label">Phone number</label>
+                <ValidationMessage For="() => Input.PhoneNumber" class="text-danger" />
+            </div>
+            <button type="submit" class="w-100 btn btn-lg btn-primary">Save</button>
+        </EditForm>
+    </div>
+</div>
+
+@code {
+
+    private string? username;
+    private string? phoneNumber;
+
+    [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 OnValidSubmitAsync()
+    {
+
+    }
+
+    private sealed class InputModel
+    {
+        [Phone]
+        [Display(Name = "Phone number")]
+        public string? PhoneNumber { get; set; }
+    }
+}

TechHelper.Client/Pages/Manage/PersonalData.razor

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+@page "/Account/Manage/PersonalData"
+
+
+<PageTitle>Personal Data</PageTitle>
+
+<h3>Personal Data</h3>
+
+<div class="row">
+    <div class="col-md-6">
+        <p>Your account contains personal data that you have given us. This page allows you to download or delete that data.</p>
+        <p>
+            <strong>Deleting this data will permanently remove your account, and this cannot be recovered.</strong>
+        </p>
+        <form action="Account/Manage/DownloadPersonalData" method="post">
+            <AntiforgeryToken />
+            <button class="btn btn-primary" type="submit">Download</button>
+        </form>
+        <p>
+            <a href="Account/Manage/DeletePersonalData" class="btn btn-danger">Delete</a>
+        </p>
+    </div>
+</div>
+
+@code {
+
+    protected override async Task OnInitializedAsync()
+    {
+
+    }
+}

TechHelper.Client/Pages/Manage/_Imports.razor

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+@using TechHelper.Client.Shared
+@layout ManageLayout