使用 .NET MAUI Blazor 编写 AD 密码修改的桌面应用程序 (配合 Web API)

完成了《AD 密码验证》和《AD 密码修改》两个 API 后,接下来用 .NET MAUI Blazor 来编写桌面端程序。稍微了解了 Blazor 后,Feels so magical,It feels like stuffing a webpage into an app,When running, you can even see Edge-related components running in the 'Task Manager',And pressing F12 brings up the developer tools window! But this also raises some security concerns for me。Overall, though, it still feels quite unique,Fortunately, I'm more familiar with web syntax,Using Razor to design the UI,感觉亲切不少。

  程式的結構是兩個頁面第一個頁面是 AD 密碼驗證通過後才會導到 AD 密碼變更頁面

《项目模板》

  • .NET MAUI Blazor 應用程式

《组件》

  • bootstrap

Services/PasswordManagementService.cs

using System.Net.Http.Json;

namespace NTool.Services
{
    public class PasswordManagementService(HttpClient httpClient)
    {
        public async Task<bool> ValidateAsync(string username, string password)
        {
            var request = new { Username = username, Password = password };
            var response = await httpClient.PostAsJsonAsync("Password/Validate", request);

            return response.IsSuccessStatusCode;
        }

        public async Task<bool> ChangeAsync(string username, string password, string newPassword)
        {
            var request = new { Username = username, OldPassword = password, NewPassword = newPassword };
            var response = await httpClient.PostAsJsonAsync("Password/ChangeSdsP", request);

            return response.IsSuccessStatusCode;
        }
    }
}

Components/Pages/PasswordValidation.razor

@page "/"
@using NTool.Services
@using NTool.Models
@inject PasswordManagementService PasswordManagementService
@inject ValidRequest ValidRequest
@inject NavigationManager Navigation

<h3 class="mt-5 text-center">AD 密碼變更工具</h3>
<p>請驗證帳號密碼</p>

<EditForm Model="ValidRequest" OnValidSubmit="HandleValidSubmit">
	<DataAnnotationsValidator />
	<ValidationSummary />

	<div>
		<label for="username">使用者登入名稱</label>
		<InputText id="username" @bind-Value="ValidRequest.Username" placeholder="輸入帳號" />
	</div>
	<div>
		<label for="password">密碼</label>
		<InputText id="password" @bind-Value="ValidRequest.Password" placeholder="輸入密碼" type="password" />
	</div>
	<button type="submit">驗證</button>
</EditForm>

<p>@resultMessage</p>

@code {
	private string resultMessage = string.Empty;

	private async Task HandleValidSubmit()
	{
		var isValid = await PasswordManagementService.ValidateAsync(ValidRequest.Username, ValidRequest.Password);
		if (isValid)
		{
			Navigation.NavigateTo("/PasswordChange");
		}
		else
		{
			resultMessage = "驗證失敗。";
		}
	}
}

Components/Pages/PasswordChange.razor

@page "/PasswordChange"
@using NTool.Models
@using NTool.Services
@inject PasswordManagementService PasswordManagementService
@inject HttpClient Http
@inject NavigationManager Navigation
@inject ChangeRequest ChangeRequest
@inject ValidRequest ValidRequest

<h3 class="mt-5 text-center">AD 密碼變更工具</h3>
<p>@Message</p>

<EditForm Model="ChangeRequest" OnValidSubmit="HandleChangeSubmit">
    <DataAnnotationsValidator />
    <ValidationSummary />

    <div>
        <label for="newPassword">新密碼</label>
        <InputText id="newPassword" @bind-Value="ChangeRequest.NewPassword" placeholder="輸入新密碼" type="password" />
    </div>
    <div>
        <label for="confirmPassword">確認新密碼</label>
        <InputText id="confirmPassword" @bind-Value="ChangeRequest.ConfirmPassword" placeholder="確認新密碼" type="password" />
    </div>
    <button type="submit">變更密碼</button>
</EditForm>

@code {
    private string Message { get; set; } = "驗證成功!請變更密碼";

    private async Task HandleChangeSubmit()
    {

        var isValid = await PasswordManagementService.ChangeAsync(ValidRequest.Username, ValidRequest.Password, ChangeRequest.NewPassword);
        if (isValid)
        {
            Message = "密碼變更成功。";
            ValidRequest.Password = string.Empty;
            ChangeRequest.NewPassword = string.Empty;
            ChangeRequest.ConfirmPassword = string.Empty;
            // Navigation.NavigateTo("/");
        }
        else
        {
            Message = "密碼變更失敗。";
            ChangeRequest.NewPassword = string.Empty;
            ChangeRequest.ConfirmPassword = string.Empty;
        }
    }
}

Models/PasswordModel.cs

using System.ComponentModel.DataAnnotations;

namespace NTool.Models
{
    public class ValidRequest
    {
        [Required(ErrorMessage = "[使用者登入名稱] 為必填欄位。")]
        public required string Username { get; set; }

        [Required(ErrorMessage = "[密碼] 為必填欄位。")]
        public required string Password { get; set; }
    }    
    
    public class ChangeRequest
    {
        [Required(ErrorMessage = "[新密碼] 為必填欄位。")]
        public required string NewPassword { get; set; }

        [Required(ErrorMessage = "[確認新密碼] 為必填欄位。")]
        [Compare("NewPassword", ErrorMessage = "[新密碼] 與 [確認新密碼] 不相符。")]
        public required string ConfirmPassword { get; set; }
    }
}

MauiProgram.cs

using Microsoft.Extensions.Logging;
using NTool.Services;
using NTool.Models;

namespace NTool
{
    public static class MauiProgram
    {
        public static MauiApp CreateMauiApp()
        {
            var builder = MauiApp.CreateBuilder();
            builder
                .UseMauiApp<App>()
                .ConfigureFonts(fonts =>
                {
                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
                });

            builder.Services.AddMauiBlazorWebView();

#if DEBUG
    		builder.Services.AddBlazorWebViewDeveloperTools();
    		builder.Logging.AddDebug();
#endif
            // 注入 HttpClient,並設定 API 的基底網址
            builder.Services.AddScoped(sp => new HttpClient
            {
                BaseAddress = new Uri("https://api.abc.com/ad/")
            });

            // 注入 Services、Models
            builder.Services.AddScoped<PasswordManagementService>();
            builder.Services.AddScoped<ValidRequest>();
            builder.Services.AddScoped<ChangeRequest>();

            return builder.Build();
        }
    }
}

wwwroot/css/styles.css

body {
    background-color: #f0f8ff; /* 淡粉藍背景色 */
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

form {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

    form div {
        margin-bottom: 15px;
    }

    form label {
        display: block;
        font-weight: bold;
        margin-bottom: 5px;
    }

    form input {
        width: 100%;
        padding: 8px;
        border: 1px solid #ccc;
        border-radius: 4px;
    }

    form button {
        width: 100%;
        padding: 10px;
        background-color: #4caf50;
        color: white;
        border: none;
        border-radius: 4px;
        font-size: 16px;
        cursor: pointer;
    }

        form button:hover {
            background-color: #45a049;
        }

p {
    text-align: center;
    color: #ff0000;
    font-weight: bold;
}

《結果畫面》

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