rendering 相关问题

这是我的app.razor： <p>这是我的应用程序。剃刀：</p> <pre><code><body> <Routes @rendermode="RenderModeForPage" /> <script src="_framework/blazor.web.js"></script> <script src="_content/MudBlazor/MudBlazor.min.js"></script> </body> </html> @code { [CascadingParameter] private HttpContext HttpContext { get; set; } = default!; private IComponentRenderMode? RenderModeForPage => HttpContext.Request.Path.StartsWithSegments("/Account") ? null : InteractiveServer; } </code></pre> <p>这是我的登录页面：</p> <pre><code>@page "/Account/Login" @inject SignInManager<ApplicationUser> SignInManager @inject ILogger<Login> Logger @inject NavigationManager NavigationManager <PageTitle>Se connecter</PageTitle> <h1>Se connecter</h1> @if (errorMessage != null) { <MudAlert Severity="Severity.Error">@errorMessage</MudAlert> } <MudContainer MaxWidth="MaxWidth.Small"> <MudCard> <EditForm Model="Input" OnValidSubmit="LogInUser" FormName="SignInUserForm"> <MudCardContent> <MudTextField @bind-Value="Input.Email" For="@(() => Input.Email)" Immediate="true" Label="Courriel" /> <MudTextField @bind-Value="Input.Password" For="@(() => Input.Password)" Immediate="true" Label="Mot de passe" InputType="InputType.Password" /> </MudCardContent> <MudCardActions> @if (InProgress) { <MudProgressCircular Color="Color.Primary" Indeterminate="true" Class="ml-auto" /> } else { <MudButton Variant="Variant.Filled" Color="Color.Primary" Class="ml-auto" ButtonType="ButtonType.Submit">Se connecter</MudButton> } </MudCardActions> </EditForm> </MudCard> </MudContainer> @code { private string? errorMessage = null; private bool InProgress = false; [CascadingParameter] private HttpContext HttpContext { get; set; } = default!; private InputModel Input { get; set; } = new(); protected override async Task OnInitializedAsync() { if (HttpMethods.IsGet(HttpContext.Request.Method)) { // Clear the existing external cookie to ensure a clean login process await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme); } } public async Task LogInUser() { InProgress = true; // This doesn't count login failures towards account lockout // To enable password failures to trigger account lockout, set lockoutOnFailure: true var result = await SignInManager.PasswordSignInAsync(Input.Email, Input.Password, true, lockoutOnFailure: true); if (result.Succeeded) { Logger.LogInformation("L'utilisateur est connecté."); NavigationManager.NavigateTo("/Home"); } else if (result.IsLockedOut) { Logger.LogWarning("Le compte a été bloqué."); errorMessage = "Le compte a été bloqué."; } else { errorMessage = "Erreur: tentative de connexion invalide."; } InProgress = false; } private sealed class InputModel { [Required(ErrorMessage = "Le courriel ne doit pas être vide.")] [EmailAddress(ErrorMessage = "Ceci n'est pas une adresse courriel valide.")] public string Email { get; set; } = ""; [Required(ErrorMessage = "Le mot de passe ne doit pas être vide.")] [DataType(DataType.Password)] public string Password { get; set; } = ""; } } </code></pre> <p>因此，当我填充该字段时，输入模型仍然为空字符串。我无法使用交互模式进行渲染，因为 HttpContext 那时不起作用。你知道我能做什么吗？</p> <p>那么也许有一个我不知道的渲染模式或者我错过了一些要写的东西？</p> </question> <answer tick="false" vote="0"> <p>编辑如下：</p> <pre><code>private IComponentRenderMode? RenderModeForPage => HttpContext.Request.Path.StartsWithSegments("/Account/Login") ? null : InteractiveServer; </code></pre> </answer> </body></html>

c# .net rendering blazor-server-side bind

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使用 SSE2 内在函数实现实时位图缩放

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