A:集成数据库功能

src/Sharp/Sharp.Demo/App.xaml.cs

@@ -127,8 +127,8 @@ namespace Sharp.Demo
             services.AddTransient<Sharp.Demo.Views.Windows.HttpServerWindow>();
             services.AddTransient<Sharp.Demo.Views.Windows.HttpClientWindow>();
             services.AddTransient<Sharp.Demo.Views.Windows.PlcDebugWindow>();
+            services.AddTransient<Sharp.Demo.Views.Windows.DatabaseWindow>();
             // TODO: 添加其他窗口注册
-            // services.AddTransient<Sharp.Demo.Views.Windows.DatabaseWindow>();
             // services.AddTransient<Sharp.Demo.Views.Windows.SerialPortWindow>();
             // etc...
 

src/Sharp/Sharp.Demo/ViewModels/LauncherViewModel.cs

@@ -237,8 +237,12 @@ namespace Sharp.Demo.ViewModels
                         _windowManager.ShowWindow<Sharp.Demo.Views.Windows.PlcDebugWindow>(moduleKey);
                         break;
 
-                    // 其他窗口待实现
                     case "Database":
+                        _logger.LogInformation("正在打开数据库管理窗口...");
+                        _windowManager.ShowWindow<Sharp.Demo.Views.Windows.DatabaseWindow>(moduleKey);
+                        break;
+
+                    // 其他窗口待实现
                     case "SerialPort":
                     case "ProcessTest":
                     case "LogDemo":

src/Sharp/Sharp.Demo/ViewModels/Pages/DatabaseViewModel.cs

@@ -14,11 +14,20 @@ using Sharp.Wpf.Services;
 using Sharp.Wpf.Navigation;
 using Sharp.Demo.Data;
 using Sharp.Demo.Views.Dialogs;
+using Microsoft.EntityFrameworkCore;
+using Common.ExpandFun;
 
 namespace Sharp.Demo.ViewModels.Pages
 {
     /// <summary>
     /// 数据库管理页面 ViewModel - EF Core + Repository 演示
+    /// 展示 Sharp.Data 模块的完整功能：
+    /// - 基本 CRUD 操作
+    /// - 分页查询
+    /// - 批量操作
+    /// - 软删除和审计追踪
+    /// - 统计和查询
+    /// - 事务处理
     /// </summary>
     public class DatabaseViewModel : ViewModelBase, INavigationAware
     {
@@ -31,6 +40,21 @@ namespace Sharp.Demo.ViewModels.Pages
         private string _statusText = string.Empty;
         private string _recordCount = "记录数: 0";
 
+        // 分页相关
+        private int _currentPage = 1;
+        private int _pageSize = 10;
+        private int _totalPages = 1;
+        private int _totalCount = 0;
+        private string _pageInfo = "第 1/1 页";
+
+        // 统计信息
+        private int _totalUsers = 0;
+        private int _activeUsers = 0;
+        private int _inactiveUsers = 0;
+
+        // 当前窗口引用（用于设置对话框父窗口）
+        public Window? CurrentWindow { get; set; }
+
         public DatabaseViewModel(
             IDataContext dataContext,
             ILogger<DatabaseViewModel> logger,
@@ -43,17 +67,31 @@ namespace Sharp.Demo.ViewModels.Pages
             Users = new ObservableCollection<User>();
 
             // 初始化命令
-            LoadDataCommand = new AsyncCommand(async () => await LoadDataAsync());
-            SearchCommand = new AsyncCommand(async () => await LoadDataAsync(SearchText.Trim()));
+            LoadDataCommand = new AsyncCommand(async () => await LoadPagedDataAsync());
+            SearchCommand = new AsyncCommand(async () => await LoadPagedDataAsync());
             ClearSearchCommand = new AsyncCommand(async () =>
             {
                 SearchText = string.Empty;
-                await LoadDataAsync();
+                CurrentPage = 1;
+                await LoadPagedDataAsync();
             });
             AddCommand = new RelayCommand(_ => Add());
             EditCommand = new RelayCommand(_ => Edit(), _ => SelectedUser != null);
             DeleteCommand = new AsyncCommand(DeleteAsync, () => SelectedUser != null);
-            RefreshCommand = new AsyncCommand(async () => await LoadDataAsync(SearchText.Trim()));
+            RefreshCommand = new AsyncCommand(async () => await LoadPagedDataAsync());
+
+            // 分页命令
+            FirstPageCommand = new AsyncCommand(async () => { CurrentPage = 1; await LoadPagedDataAsync(); }, () => CurrentPage > 1);
+            PreviousPageCommand = new AsyncCommand(async () => { CurrentPage--; await LoadPagedDataAsync(); }, () => CurrentPage > 1);
+            NextPageCommand = new AsyncCommand(async () => { CurrentPage++; await LoadPagedDataAsync(); }, () => CurrentPage < TotalPages);
+            LastPageCommand = new AsyncCommand(async () => { CurrentPage = TotalPages; await LoadPagedDataAsync(); }, () => CurrentPage < TotalPages);
+
+            // 批量操作命令
+            BatchAddCommand = new AsyncCommand(BatchAddAsync);
+            BatchDeleteCommand = new AsyncCommand(BatchDeleteAsync, () => Users.Any());
+
+            // 统计命令
+            RefreshStatsCommand = new AsyncCommand(RefreshStatsAsync);
         }
 
         #region 属性
@@ -74,8 +112,8 @@ namespace Sharp.Demo.ViewModels.Pages
                 if (SetProperty(ref _selectedUser, value))
                 {
                     // 触发命令的 CanExecute 更新
-                    OnPropertyChanged(nameof(EditCommand));
-                    OnPropertyChanged(nameof(DeleteCommand));
+                    (EditCommand as RelayCommand)?.RaiseCanExecuteChanged();
+                    (DeleteCommand as AsyncCommand)?.RaiseCanExecuteChanged();
                 }
             }
         }
@@ -107,6 +145,86 @@ namespace Sharp.Demo.ViewModels.Pages
             set => SetProperty(ref _recordCount, value);
         }
 
+        /// <summary>
+        /// 当前页码
+        /// </summary>
+        public int CurrentPage
+        {
+            get => _currentPage;
+            set => SetProperty(ref _currentPage, value);
+        }
+
+        /// <summary>
+        /// 每页大小
+        /// </summary>
+        public int PageSize
+        {
+            get => _pageSize;
+            set
+            {
+                if (SetProperty(ref _pageSize, value))
+                {
+                    // 每页大小改变时，重置到第一页并重新加载
+                    CurrentPage = 1;
+                    _ = LoadPagedDataAsync();
+                }
+            }
+        }
+
+        /// <summary>
+        /// 总页数
+        /// </summary>
+        public int TotalPages
+        {
+            get => _totalPages;
+            set => SetProperty(ref _totalPages, value);
+        }
+
+        /// <summary>
+        /// 总记录数
+        /// </summary>
+        public int TotalCount
+        {
+            get => _totalCount;
+            set => SetProperty(ref _totalCount, value);
+        }
+
+        /// <summary>
+        /// 页码信息
+        /// </summary>
+        public string PageInfo
+        {
+            get => _pageInfo;
+            set => SetProperty(ref _pageInfo, value);
+        }
+
+        /// <summary>
+        /// 总用户数
+        /// </summary>
+        public int TotalUsers
+        {
+            get => _totalUsers;
+            set => SetProperty(ref _totalUsers, value);
+        }
+
+        /// <summary>
+        /// 活跃用户数
+        /// </summary>
+        public int ActiveUsers
+        {
+            get => _activeUsers;
+            set => SetProperty(ref _activeUsers, value);
+        }
+
+        /// <summary>
+        /// 非活跃用户数
+        /// </summary>
+        public int InactiveUsers
+        {
+            get => _inactiveUsers;
+            set => SetProperty(ref _inactiveUsers, value);
+        }
+
         #endregion
 
         #region 命令
@@ -119,14 +237,30 @@ namespace Sharp.Demo.ViewModels.Pages
         public ICommand DeleteCommand { get; }
         public ICommand RefreshCommand { get; }
 
+        // 分页命令
+        public ICommand FirstPageCommand { get; }
+        public ICommand PreviousPageCommand { get; }
+        public ICommand NextPageCommand { get; }
+        public ICommand LastPageCommand { get; }
+
+        // 批量操作命令
+        public ICommand BatchAddCommand { get; }
+        public ICommand BatchDeleteCommand { get; }
+
+        // 统计命令
+        public ICommand RefreshStatsCommand { get; }
+
         #endregion
 
         #region INavigationAware 实现
 
         public async Task OnNavigatedToAsync(object? parameter)
         {
-            // 进入页面时加载数据
-            await LoadDataAsync();
+            // 进入页面时加载数据和统计信息
+            await Task.WhenAll(
+                LoadPagedDataAsync(),
+                RefreshStatsAsync()
+            );
         }
 
         public Task OnNavigatedFromAsync()
@@ -139,40 +273,71 @@ namespace Sharp.Demo.ViewModels.Pages
 
         #region 私有方法
 
-        private async Task LoadDataAsync(string? searchText = null)
+        /// <summary>
+        /// 加载分页数据 - 演示 PagedResult 功能
+        /// </summary>
+        private async Task LoadPagedDataAsync()
         {
             try
             {
                 StatusText = "正在加载数据...";
-                _logger.LogInformation("开始加载用户数据，搜索条件: {SearchText}", searchText ?? "无");
+                _logger.LogInformation("开始加载用户数据，页码: {Page}, 每页: {PageSize}, 搜索: {SearchText}",
+                    CurrentPage, PageSize, SearchText ?? "无");
 
                 var repo = _dataContext.Repository<User>();
 
-                List<User> users;
-                if (string.IsNullOrWhiteSpace(searchText))
+                // 使用分页查询 - Data 模块的重要功能
+                // 注意：软删除后需要手动过滤 IsDeleted=false 的记录
+                PagedResult<User> pagedResult;
+                if (string.IsNullOrWhiteSpace(SearchText))
                 {
-                    users = await repo.GetAllAsync();
+                    pagedResult = await repo.GetPagedAsync(
+                        page: CurrentPage,
+                        pageSize: PageSize,
+                        predicate: u => !u.IsDeleted,  // 过滤已删除的数据
+                        orderBy: q => q.OrderByDescending(u => u.CreatedAt));
                 }
                 else
                 {
-                    users = await repo.FindAsync(u =>
-                        u.UserName.Contains(searchText) ||
-                        u.Email.Contains(searchText) ||
-                        (u.Remarks != null && u.Remarks.Contains(searchText)));
+                    var searchTerm = SearchText.Trim();
+                    pagedResult = await repo.GetPagedAsync(
+                        page: CurrentPage,
+                        pageSize: PageSize,
+                        predicate: u =>
+                            !u.IsDeleted &&  // 过滤已删除的数据
+                            (u.UserName.Contains(searchTerm) ||
+                            u.Email.Contains(searchTerm) ||
+                            (u.Remarks != null && u.Remarks.Contains(searchTerm))),
+                        orderBy: q => q.OrderByDescending(u => u.CreatedAt));
                 }
 
+                // 更新UI数据
                 Users.Clear();
-                foreach (var user in users.OrderByDescending(u => u.CreatedAt))
+                foreach (var user in pagedResult.Items)
                 {
                     Users.Add(user);
                 }
 
-                RecordCount = $"记录数: {users.Count}";
-                StatusText = string.IsNullOrWhiteSpace(searchText)
-                    ? $"加载完成，共 {users.Count} 条记录"
-                    : $"搜索完成，找到 {users.Count} 条记录";
+                // 更新分页信息
+                TotalCount = pagedResult.TotalCount;
+                TotalPages = pagedResult.TotalPages;
+                CurrentPage = pagedResult.PageIndex;
+                PageSize = pagedResult.PageSize;
+                PageInfo = $"第 {CurrentPage}/{TotalPages} 页";
+                RecordCount = $"共 {TotalCount} 条记录，当前页 {Users.Count} 条";
 
-                _logger.LogInformation("加载完成，共 {Count} 条记录", users.Count);
+                StatusText = string.IsNullOrWhiteSpace(SearchText)
+                    ? $"加载完成 (第 {CurrentPage}/{TotalPages} 页)"
+                    : $"搜索完成，找到 {TotalCount} 条记录 (第 {CurrentPage}/{TotalPages} 页)";
+
+                _logger.LogInformation("分页加载完成，总数: {Total}, 当前页: {Page}/{TotalPages}",
+                    TotalCount, CurrentPage, TotalPages);
+
+                // 触发分页按钮的 CanExecute 更新
+                (FirstPageCommand as AsyncCommand)?.RaiseCanExecuteChanged();
+                (PreviousPageCommand as AsyncCommand)?.RaiseCanExecuteChanged();
+                (NextPageCommand as AsyncCommand)?.RaiseCanExecuteChanged();
+                (LastPageCommand as AsyncCommand)?.RaiseCanExecuteChanged();
             }
             catch (Exception ex)
             {
@@ -182,11 +347,34 @@ namespace Sharp.Demo.ViewModels.Pages
             }
         }
 
+        /// <summary>
+        /// 刷新统计信息 - 演示 Count 和 Any 功能
+        /// </summary>
+        private async Task RefreshStatsAsync()
+        {
+            try
+            {
+                var repo = _dataContext.Repository<User>();
+
+                // 使用 Count 和条件查询（过滤已删除的数据）
+                TotalUsers = await repo.CountAsync(u => !u.IsDeleted);
+                ActiveUsers = await repo.CountAsync(u => !u.IsDeleted && u.IsActive);
+                InactiveUsers = await repo.CountAsync(u => !u.IsDeleted && !u.IsActive);
+
+                _logger.LogInformation("统计信息已刷新 - 总数: {Total}, 活跃: {Active}, 非活跃: {Inactive}",
+                    TotalUsers, ActiveUsers, InactiveUsers);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "刷新统计信息失败");
+            }
+        }
+
         private void Add()
         {
             var dialog = new UserEditDialog
             {
-                Owner = Application.Current.MainWindow
+                Owner = CurrentWindow ?? Application.Current.MainWindow
             };
 
             if (dialog.ShowDialog() == true)
@@ -205,7 +393,7 @@ namespace Sharp.Demo.ViewModels.Pages
 
             var dialog = new UserEditDialog(SelectedUser)
             {
-                Owner = Application.Current.MainWindow
+                Owner = CurrentWindow ?? Application.Current.MainWindow
             };
 
             if (dialog.ShowDialog() == true)
@@ -246,7 +434,7 @@ namespace Sharp.Demo.ViewModels.Pages
                 _logger.LogInformation("用户新增成功: {UserId}", user.Id);
                 await _dialogService.ShowInfoAsync("用户新增成功！", "成功");
 
-                await LoadDataAsync();
+                await Task.WhenAll(LoadPagedDataAsync(), RefreshStatsAsync());
             }
             catch (Exception ex)
             {
@@ -270,7 +458,7 @@ namespace Sharp.Demo.ViewModels.Pages
                 _logger.LogInformation("用户更新成功: {UserId}", user.Id);
                 await _dialogService.ShowInfoAsync("用户更新成功！", "成功");
 
-                await LoadDataAsync();
+                await Task.WhenAll(LoadPagedDataAsync(), RefreshStatsAsync());
             }
             catch (Exception ex)
             {
@@ -294,7 +482,7 @@ namespace Sharp.Demo.ViewModels.Pages
                 _logger.LogInformation("用户软删除成功: {UserId}", userId);
                 await _dialogService.ShowInfoAsync("用户已标记为删除（软删除）！", "成功");
 
-                await LoadDataAsync();
+                await Task.WhenAll(LoadPagedDataAsync(), RefreshStatsAsync());
             }
             catch (Exception ex)
             {
@@ -304,6 +492,111 @@ namespace Sharp.Demo.ViewModels.Pages
             }
         }
 
+        /// <summary>
+        /// 批量添加用户 - 演示 AddRangeAsync 功能
+        /// </summary>
+        private async Task BatchAddAsync()
+        {
+            try
+            {
+                var confirmed = await _dialogService.ShowConfirmAsync(
+                    "将批量添加 10 个测试用户，确定要继续吗？\n\n这将演示 Sharp.Data 的 AddRangeAsync 批量操作功能。",
+                    "批量添加");
+
+                if (!confirmed) return;
+
+                StatusText = "正在批量添加...";
+                _logger.LogInformation("开始批量添加测试用户");
+
+                // 生成测试数据
+                var testUsers = new List<User>();
+                for (int i = 1; i <= 10; i++)
+                {
+                    testUsers.Add(new User
+                    {
+                        UserName = $"testuser{DateTime.Now:yyyyMMddHHmmss}_{i}",
+                        Email = $"test{DateTime.Now:yyyyMMddHHmmss}_{i}@example.com",
+                        Age = 20 + (i % 30),
+                        IsActive = i % 2 == 0,
+                        Remarks = $"批量导入的测试用户 {i}"
+                    });
+                }
+
+                // 使用批量添加 - Data 模块的批量操作功能
+                var repo = _dataContext.Repository<User>();
+                await repo.AddRangeAsync(testUsers);
+                await _dataContext.SaveChangesAsync();
+
+                _logger.LogInformation("批量添加成功，共添加 {Count} 个用户", testUsers.Count);
+                await _dialogService.ShowInfoAsync($"批量添加成功！共添加 {testUsers.Count} 个用户。", "成功");
+
+                await Task.WhenAll(LoadPagedDataAsync(), RefreshStatsAsync());
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "批量添加失败");
+                StatusText = "批量添加失败";
+                await _dialogService.ShowErrorAsync($"批量添加失败: {ex.Message}", "错误");
+            }
+        }
+
+        /// <summary>
+        /// 批量删除用户 - 演示事务处理和批量删除
+        /// </summary>
+        private async Task BatchDeleteAsync()
+        {
+            try
+            {
+                if (!Users.Any())
+                {
+                    await _dialogService.ShowInfoAsync("当前页没有可删除的数据", "提示");
+                    return;
+                }
+
+                var confirmed = await _dialogService.ShowConfirmAsync(
+                    $"将删除当前页所有 {Users.Count} 个用户（软删除），确定要继续吗？\n\n这将演示 Sharp.Data 的事务处理功能。",
+                    "批量删除");
+
+                if (!confirmed) return;
+
+                StatusText = "正在批量删除...";
+                _logger.LogInformation("开始批量删除，数量: {Count}", Users.Count);
+
+                var repo = _dataContext.Repository<User>();
+
+                // 使用事务确保原子性
+                using var transaction = await _dataContext.Context.Database.BeginTransactionAsync();
+                try
+                {
+                    // 批量软删除
+                    var userIds = Users.Select(u => u.Id).ToList();
+                    foreach (var userId in userIds)
+                    {
+                        await repo.RemoveAsync(userId);
+                    }
+
+                    await _dataContext.SaveChangesAsync();
+                    await transaction.CommitAsync();
+
+                    _logger.LogInformation("批量删除成功，共删除 {Count} 个用户", userIds.Count);
+                    await _dialogService.ShowInfoAsync($"批量删除成功！共删除 {userIds.Count} 个用户。", "成功");
+                }
+                catch
+                {
+                    await transaction.RollbackAsync();
+                    throw;
+                }
+
+                await Task.WhenAll(LoadPagedDataAsync(), RefreshStatsAsync());
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "批量删除失败");
+                StatusText = "批量删除失败";
+                await _dialogService.ShowErrorAsync($"批量删除失败: {ex.Message}", "错误");
+            }
+        }
+
         #endregion
     }
 }

src/Sharp/Sharp.Demo/Views/Pages/DatabasePage.xaml

@@ -31,6 +31,37 @@
                 Text="Sharp.Data - EF Core + Repository + 审计追踪 + 软删除"
                 Margin="0,0,0,20" />
 
+            <!-- 统计信息栏 -->
+            <Border
+                Grid.Row="2"
+                Background="{DynamicResource InfoBrush}"
+                BorderBrush="{DynamicResource BorderBrush}"
+                BorderThickness="1"
+                CornerRadius="8"
+                Padding="15"
+                Margin="0,0,0,10">
+                <StackPanel Orientation="Horizontal">
+                    <TextBlock FontWeight="Bold" FontSize="14" Margin="0,0,20,0">
+                        <Run Text="📊 数据统计"/>
+                    </TextBlock>
+                    <TextBlock FontSize="13" Margin="0,0,15,0">
+                        <Run Text="总用户数: "/>
+                        <Run Text="{Binding TotalUsers}" FontWeight="Bold" Foreground="{DynamicResource PrimaryBrush}"/>
+                    </TextBlock>
+                    <TextBlock FontSize="13" Margin="0,0,15,0">
+                        <Run Text="活跃: "/>
+                        <Run Text="{Binding ActiveUsers}" FontWeight="Bold" Foreground="#27AE60"/>
+                    </TextBlock>
+                    <TextBlock FontSize="13" Margin="0,0,15,0">
+                        <Run Text="非活跃: "/>
+                        <Run Text="{Binding InactiveUsers}" FontWeight="Bold" Foreground="#95A5A6"/>
+                    </TextBlock>
+                    <Button Content="刷新统计" Width="90" Height="28" Margin="10,0,0,0"
+                            Command="{Binding RefreshStatsCommand}"
+                            Style="{StaticResource ButtonInfo}"/>
+                </StackPanel>
+            </Border>
+
             <!-- 搜索和操作栏 -->
             <Border
                 Grid.Row="2"
@@ -39,46 +70,67 @@
                 BorderThickness="1"
                 CornerRadius="8"
                 Padding="15"
-                Margin="0,0,0,15">
+                Margin="0,45,0,15">
                 <Grid>
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="Auto"/>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="Auto"/>
-                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                    </Grid.RowDefinitions>
 
-                    <!-- 搜索框 -->
-                    <StackPanel Grid.Column="0" Orientation="Horizontal" Margin="0,0,15,0">
-                        <TextBlock Text="搜索:" VerticalAlignment="Center" Margin="0,0,10,0"/>
-                        <TextBox Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}"
-                                Width="250" Height="32" VerticalContentAlignment="Center"
-                                Padding="8,0" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="1"/>
-                        <Button Content="搜索" Width="80" Height="32" Margin="10,0,0,0"
-                                Command="{Binding SearchCommand}"
-                                Style="{StaticResource ButtonPrimary}"/>
-                        <Button Content="清空" Width="80" Height="32" Margin="5,0,0,0"
-                                Command="{Binding ClearSearchCommand}"
-                                Style="{StaticResource ButtonDefault}"/>
-                    </StackPanel>
+                    <!-- 第一行：搜索和单条操作 -->
+                    <Grid Grid.Row="0">
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto"/>
+                            <ColumnDefinition Width="*"/>
+                            <ColumnDefinition Width="Auto"/>
+                        </Grid.ColumnDefinitions>
 
-                    <!-- 状态信息 -->
-                    <TextBlock Grid.Column="1" Text="{Binding StatusText}" VerticalAlignment="Center"
-                              Foreground="{DynamicResource SecondaryTextBrush}" Margin="15,0"/>
+                        <!-- 搜索框 -->
+                        <StackPanel Grid.Column="0" Orientation="Horizontal" Margin="0,0,15,0">
+                            <TextBlock Text="搜索:" VerticalAlignment="Center" Margin="0,0,10,0"/>
+                            <TextBox Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}"
+                                    Width="250" Height="32" VerticalContentAlignment="Center"
+                                    Padding="8,0" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="1"/>
+                            <Button Content="搜索" Width="80" Height="32" Margin="10,0,0,0"
+                                    Command="{Binding SearchCommand}"
+                                    Style="{StaticResource ButtonPrimary}"/>
+                            <Button Content="清空" Width="80" Height="32" Margin="5,0,0,0"
+                                    Command="{Binding ClearSearchCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                        </StackPanel>
 
-                    <!-- 操作按钮 -->
-                    <StackPanel Grid.Column="2" Orientation="Horizontal">
-                        <Button Content="新增" Width="90" Height="32" Margin="0,0,5,0"
-                                Command="{Binding AddCommand}"
+                        <!-- 状态信息 -->
+                        <TextBlock Grid.Column="1" Text="{Binding StatusText}" VerticalAlignment="Center"
+                                  Foreground="{DynamicResource SecondaryTextBrush}" Margin="15,0"/>
+
+                        <!-- 单条操作按钮 -->
+                        <StackPanel Grid.Column="2" Orientation="Horizontal">
+                            <Button Content="新增" Width="90" Height="32" Margin="0,0,5,0"
+                                    Command="{Binding AddCommand}"
+                                    Style="{StaticResource ButtonSuccess}"/>
+                            <Button Content="编辑" Width="90" Height="32" Margin="0,0,5,0"
+                                    Command="{Binding EditCommand}"
+                                    Style="{StaticResource ButtonWarning}"/>
+                            <Button Content="删除" Width="90" Height="32"
+                                    Command="{Binding DeleteCommand}"
+                                    Style="{StaticResource ButtonDanger}"/>
+                            <Button Content="刷新" Width="90" Height="32" Margin="5,0,0,0"
+                                    Command="{Binding RefreshCommand}"
+                                    Style="{StaticResource ButtonInfo}"/>
+                        </StackPanel>
+                    </Grid>
+
+                    <!-- 第二行：批量操作 -->
+                    <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10,0,0">
+                        <TextBlock Text="批量操作:" VerticalAlignment="Center" FontWeight="Bold" Margin="0,0,10,0"/>
+                        <Button Content="批量添加测试数据" Width="140" Height="32" Margin="0,0,5,0"
+                                Command="{Binding BatchAddCommand}"
                                 Style="{StaticResource ButtonSuccess}"/>
-                        <Button Content="编辑" Width="90" Height="32" Margin="0,0,5,0"
-                                Command="{Binding EditCommand}"
-                                Style="{StaticResource ButtonWarning}"/>
-                        <Button Content="删除" Width="90" Height="32"
-                                Command="{Binding DeleteCommand}"
+                        <Button Content="批量删除当前页" Width="140" Height="32" Margin="0,0,5,0"
+                                Command="{Binding BatchDeleteCommand}"
                                 Style="{StaticResource ButtonDanger}"/>
-                        <Button Content="刷新" Width="90" Height="32" Margin="5,0,0,0"
-                                Command="{Binding RefreshCommand}"
-                                Style="{StaticResource ButtonInfo}"/>
+                        <TextBlock Text="(演示 AddRangeAsync 和事务处理)" VerticalAlignment="Center"
+                                  FontSize="11" Foreground="{DynamicResource SecondaryTextBrush}" Margin="10,0,0,0"/>
                     </StackPanel>
                 </Grid>
             </Border>
@@ -126,6 +178,67 @@
                 </DataGrid>
             </Border>
 
+            <!-- 分页控件 -->
+            <Border
+                Grid.Row="4"
+                Background="{DynamicResource RegionBrush}"
+                BorderBrush="{DynamicResource BorderBrush}"
+                BorderThickness="1"
+                CornerRadius="8"
+                Padding="15"
+                Margin="0,0,0,10">
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="Auto"/>
+                    </Grid.ColumnDefinitions>
+
+                    <!-- 左侧：记录信息 -->
+                    <TextBlock Grid.Column="0" VerticalAlignment="Center" FontSize="13">
+                        <Run Text="{Binding RecordCount}"/>
+                        <Run Text=" | "/>
+                        <Run Text="{Binding PageInfo}"/>
+                    </TextBlock>
+
+                    <!-- 中间：页码信息 -->
+                    <StackPanel Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+                        <TextBlock Text="每页显示: " VerticalAlignment="Center" Margin="0,0,5,0"/>
+                        <ComboBox SelectedItem="{Binding PageSize}" Width="80" Height="28">
+                            <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">5</sys:Int32>
+                            <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">10</sys:Int32>
+                            <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">20</sys:Int32>
+                            <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">50</sys:Int32>
+                            <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">100</sys:Int32>
+                        </ComboBox>
+                        <TextBlock Text=" 条" VerticalAlignment="Center" Margin="5,0,0,0"/>
+                    </StackPanel>
+
+                    <!-- 右侧：分页按钮 -->
+                    <StackPanel Grid.Column="2" Orientation="Horizontal" VerticalAlignment="Center">
+                        <Button Content="首页" Width="60" Height="28" Margin="0,0,5,0"
+                                Command="{Binding FirstPageCommand}"
+                                Style="{StaticResource ButtonDefault}"/>
+                        <Button Content="上一页" Width="70" Height="28" Margin="0,0,5,0"
+                                Command="{Binding PreviousPageCommand}"
+                                Style="{StaticResource ButtonDefault}"/>
+                        <TextBlock VerticalAlignment="Center" Margin="10,0">
+                            <Run Text="第 "/>
+                            <Run Text="{Binding CurrentPage}" FontWeight="Bold" Foreground="{DynamicResource PrimaryBrush}"/>
+                            <Run Text=" / "/>
+                            <Run Text="{Binding TotalPages}" FontWeight="Bold"/>
+                            <Run Text=" 页"/>
+                        </TextBlock>
+                        <Button Content="下一页" Width="70" Height="28" Margin="5,0,5,0"
+                                Command="{Binding NextPageCommand}"
+                                Style="{StaticResource ButtonDefault}"/>
+                        <Button Content="末页" Width="60" Height="28"
+                                Command="{Binding LastPageCommand}"
+                                Style="{StaticResource ButtonDefault}"/>
+                    </StackPanel>
+                </Grid>
+            </Border>
+
             <!-- 底部信息栏 -->
             <Border
                 Grid.Row="4"
@@ -133,7 +246,8 @@
                 BorderBrush="{DynamicResource BorderBrush}"
                 BorderThickness="1"
                 CornerRadius="8"
-                Padding="15">
+                Padding="15"
+                Margin="0,55,0,0">
                 <Grid>
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="*"/>
@@ -145,17 +259,24 @@
                             <Run Text="💡 功能说明"/>
                         </TextBlock>
                         <TextBlock FontSize="11" TextWrapping="Wrap">
-                            <Run Text="• 本示例展示 Sharp.Data 模块的使用：SQLite 数据库、仓储模式、自动审计、软删除"/>
+                            <Run Text="• 完整演示 Sharp.Data 模块功能：SQLite + Repository + 分页 + 批量操作 + 审计追踪 + 软删除 + 事务处理"/>
                             <LineBreak/>
-                            <Run Text="• 删除操作使用软删除（IsDeleted=true），数据不会真正删除"/>
+                            <Run Text="• 分页查询：使用 GetPagedAsync 方法，返回 PagedResult&lt;T&gt; 分页结果"/>
                             <LineBreak/>
-                            <Run Text="• 创建/修改时间和操作人由 Data 模块自动记录"/>
+                            <Run Text="• 批量操作：AddRangeAsync 批量添加，事务确保批量删除的原子性"/>
+                            <LineBreak/>
+                            <Run Text="• 审计追踪：CreatedAt/UpdatedAt/CreatedBy/UpdatedBy 由框架自动管理"/>
+                            <LineBreak/>
+                            <Run Text="• 软删除：RemoveAsync 标记 IsDeleted=true，数据不会物理删除"/>
                         </TextBlock>
                     </StackPanel>
 
                     <StackPanel Grid.Column="1" VerticalAlignment="Center">
                         <TextBlock Text="数据库: SQLite (demo.db)" FontSize="11" FontWeight="Bold"/>
-                        <TextBlock Text="{Binding RecordCount}" FontSize="11"/>
+                        <TextBlock FontSize="11">
+                            <Run Text="总用户数: "/>
+                            <Run Text="{Binding TotalUsers}" FontWeight="Bold"/>
+                        </TextBlock>
                     </StackPanel>
                 </Grid>
             </Border>

src/Sharp/Sharp.Demo/Views/Windows/DatabaseWindow.xaml

@@ -0,0 +1,279 @@
+<Window x:Class="Sharp.Demo.Views.Windows.DatabaseWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="数据库管理 - Sharp.Data 演示"
+        Height="800"
+        Width="1200"
+        WindowStartupLocation="CenterScreen">
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <!-- 工具栏 -->
+        <Border Grid.Row="0" Background="{DynamicResource RegionBrush}"
+                BorderBrush="{DynamicResource BorderBrush}" BorderThickness="0,0,0,1" Padding="15,10">
+            <Grid>
+                <StackPanel Orientation="Horizontal">
+                    <TextBlock Text="📊 数据库管理" FontSize="18" FontWeight="Bold" VerticalAlignment="Center" Margin="0,0,20,0"/>
+                    <Separator Margin="0,0,10,0"/>
+                    <Button Content="➕ 新增" Width="90" Height="32" Margin="0,0,5,0"
+                            Command="{Binding AddCommand}"
+                            Style="{StaticResource ButtonSuccess}"/>
+                    <Button Content="✏️ 编辑" Width="90" Height="32" Margin="0,0,5,0"
+                            Command="{Binding EditCommand}"
+                            Style="{StaticResource ButtonWarning}"/>
+                    <Button Content="🗑 删除" Width="90" Height="32" Margin="0,0,5,0"
+                            Command="{Binding DeleteCommand}"
+                            Style="{StaticResource ButtonDanger}"/>
+                    <Button Content="🔄 刷新" Width="90" Height="32"
+                            Command="{Binding RefreshCommand}"
+                            Style="{StaticResource ButtonInfo}"/>
+                </StackPanel>
+
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                    <TextBlock Text="{Binding StatusText}" VerticalAlignment="Center" Margin="0,0,15,0"
+                              Foreground="{DynamicResource SecondaryTextBrush}"/>
+                    <TextBlock Text="{Binding RecordCount}" FontWeight="Bold" VerticalAlignment="Center"/>
+                </StackPanel>
+            </Grid>
+        </Border>
+
+        <!-- 主内容区 -->
+        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto">
+            <Grid Margin="20">
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="*"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                </Grid.RowDefinitions>
+
+                <!-- 统计信息栏 -->
+                <Border Grid.Row="0"
+                        Background="{DynamicResource InfoBrush}"
+                        BorderBrush="{DynamicResource BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8"
+                        Padding="15"
+                        Margin="0,0,0,10">
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock FontWeight="Bold" FontSize="14" Margin="0,0,20,0">
+                            <Run Text="📊 数据统计"/>
+                        </TextBlock>
+                        <TextBlock FontSize="13" Margin="0,0,15,0">
+                            <Run Text="总用户数: "/>
+                            <Run Text="{Binding TotalUsers}" FontWeight="Bold" Foreground="{DynamicResource PrimaryBrush}"/>
+                        </TextBlock>
+                        <TextBlock FontSize="13" Margin="0,0,15,0">
+                            <Run Text="活跃: "/>
+                            <Run Text="{Binding ActiveUsers}" FontWeight="Bold" Foreground="#27AE60"/>
+                        </TextBlock>
+                        <TextBlock FontSize="13" Margin="0,0,15,0">
+                            <Run Text="非活跃: "/>
+                            <Run Text="{Binding InactiveUsers}" FontWeight="Bold" Foreground="#95A5A6"/>
+                        </TextBlock>
+                        <Button Content="刷新统计" Width="90" Height="28" Margin="10,0,0,0"
+                                Command="{Binding RefreshStatsCommand}"
+                                Style="{StaticResource ButtonInfo}"/>
+                    </StackPanel>
+                </Border>
+
+                <!-- 搜索和操作栏 -->
+                <Border Grid.Row="1"
+                        Background="{DynamicResource RegionBrush}"
+                        BorderBrush="{DynamicResource BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8"
+                        Padding="15"
+                        Margin="0,0,0,15">
+                    <Grid>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="Auto"/>
+                            <RowDefinition Height="Auto"/>
+                        </Grid.RowDefinitions>
+
+                        <!-- 搜索框 -->
+                        <StackPanel Grid.Row="0" Orientation="Horizontal">
+                            <TextBlock Text="搜索:" VerticalAlignment="Center" Margin="0,0,10,0"/>
+                            <TextBox Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}"
+                                    Width="300" Height="32" VerticalContentAlignment="Center"
+                                    Padding="8,0" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="1"/>
+                            <Button Content="搜索" Width="80" Height="32" Margin="10,0,0,0"
+                                    Command="{Binding SearchCommand}"
+                                    Style="{StaticResource ButtonPrimary}"/>
+                            <Button Content="清空" Width="80" Height="32" Margin="5,0,0,0"
+                                    Command="{Binding ClearSearchCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                        </StackPanel>
+
+                        <!-- 批量操作 -->
+                        <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10,0,0">
+                            <TextBlock Text="批量操作:" VerticalAlignment="Center" FontWeight="Bold" Margin="0,0,10,0"/>
+                            <Button Content="批量添加测试数据" Width="140" Height="32" Margin="0,0,5,0"
+                                    Command="{Binding BatchAddCommand}"
+                                    Style="{StaticResource ButtonSuccess}"/>
+                            <Button Content="批量删除当前页" Width="140" Height="32" Margin="0,0,5,0"
+                                    Command="{Binding BatchDeleteCommand}"
+                                    Style="{StaticResource ButtonDanger}"/>
+                            <TextBlock Text="(演示 AddRangeAsync 和事务处理)" VerticalAlignment="Center"
+                                      FontSize="11" Foreground="{DynamicResource SecondaryTextBrush}" Margin="10,0,0,0"/>
+                        </StackPanel>
+                    </Grid>
+                </Border>
+
+                <!-- 数据列表 -->
+                <Border Grid.Row="3"
+                        Background="{DynamicResource RegionBrush}"
+                        BorderBrush="{DynamicResource BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8"
+                        Padding="10"
+                        Margin="0,0,0,15"
+                        Height="450">
+                    <DataGrid ItemsSource="{Binding Users}"
+                             SelectedItem="{Binding SelectedUser}"
+                             AutoGenerateColumns="False"
+                             IsReadOnly="True"
+                             SelectionMode="Single"
+                             GridLinesVisibility="None"
+                             HeadersVisibility="Column"
+                             AlternationCount="2"
+                             RowHeight="40"
+                             CanUserAddRows="False"
+                             CanUserDeleteRows="False"
+                             VerticalScrollBarVisibility="Disabled"
+                             HorizontalScrollBarVisibility="Auto">
+                        <DataGrid.Resources>
+                            <Style TargetType="DataGridRow">
+                                <Style.Triggers>
+                                    <Trigger Property="ItemsControl.AlternationIndex" Value="1">
+                                        <Setter Property="Background" Value="{DynamicResource SecondaryRegionBrush}" />
+                                    </Trigger>
+                                </Style.Triggers>
+                            </Style>
+                        </DataGrid.Resources>
+                        <DataGrid.Columns>
+                            <DataGridTextColumn Header="ID" Binding="{Binding Id}" Width="80" Visibility="Collapsed"/>
+                            <DataGridTextColumn Header="用户名" Binding="{Binding UserName}" Width="150"/>
+                            <DataGridTextColumn Header="邮箱" Binding="{Binding Email}" Width="220"/>
+                            <DataGridTextColumn Header="年龄" Binding="{Binding Age}" Width="80"/>
+                            <DataGridCheckBoxColumn Header="激活" Binding="{Binding IsActive}" Width="80"/>
+                            <DataGridTextColumn Header="备注" Binding="{Binding Remarks}" Width="*"/>
+                            <DataGridTextColumn Header="创建时间" Binding="{Binding CreatedAt, StringFormat={}{0:yyyy-MM-dd HH:mm}}" Width="150"/>
+                            <DataGridTextColumn Header="创建人" Binding="{Binding CreatedBy}" Width="100"/>
+                            <DataGridTextColumn Header="修改时间" Binding="{Binding UpdatedAt, StringFormat={}{0:yyyy-MM-dd HH:mm}}" Width="150"/>
+                        </DataGrid.Columns>
+                    </DataGrid>
+                </Border>
+
+                <!-- 分页控件 -->
+                <Border Grid.Row="4"
+                        Background="{DynamicResource RegionBrush}"
+                        BorderBrush="{DynamicResource BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8"
+                        Padding="15"
+                        Margin="0,0,0,10">
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto"/>
+                            <ColumnDefinition Width="*"/>
+                            <ColumnDefinition Width="Auto"/>
+                        </Grid.ColumnDefinitions>
+
+                        <!-- 左侧：记录信息 -->
+                        <TextBlock Grid.Column="0" VerticalAlignment="Center" FontSize="13">
+                            <Run Text="{Binding RecordCount}"/>
+                            <Run Text=" | "/>
+                            <Run Text="{Binding PageInfo}"/>
+                        </TextBlock>
+
+                        <!-- 中间：页码信息 -->
+                        <StackPanel Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+                            <TextBlock Text="每页显示: " VerticalAlignment="Center" Margin="0,0,5,0"/>
+                            <ComboBox SelectedItem="{Binding PageSize}" Width="80" Height="28">
+                                <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">5</sys:Int32>
+                                <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">10</sys:Int32>
+                                <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">20</sys:Int32>
+                                <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">50</sys:Int32>
+                                <sys:Int32 xmlns:sys="clr-namespace:System;assembly=mscorlib">100</sys:Int32>
+                            </ComboBox>
+                            <TextBlock Text=" 条" VerticalAlignment="Center" Margin="5,0,0,0"/>
+                        </StackPanel>
+
+                        <!-- 右侧：分页按钮 -->
+                        <StackPanel Grid.Column="2" Orientation="Horizontal" VerticalAlignment="Center">
+                            <Button Content="首页" Width="60" Height="28" Margin="0,0,5,0"
+                                    Command="{Binding FirstPageCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                            <Button Content="上一页" Width="70" Height="28" Margin="0,0,5,0"
+                                    Command="{Binding PreviousPageCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                            <TextBlock VerticalAlignment="Center" Margin="10,0">
+                                <Run Text="第 "/>
+                                <Run Text="{Binding CurrentPage}" FontWeight="Bold" Foreground="{DynamicResource PrimaryBrush}"/>
+                                <Run Text=" / "/>
+                                <Run Text="{Binding TotalPages}" FontWeight="Bold"/>
+                                <Run Text=" 页"/>
+                            </TextBlock>
+                            <Button Content="下一页" Width="70" Height="28" Margin="5,0,5,0"
+                                    Command="{Binding NextPageCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                            <Button Content="末页" Width="60" Height="28"
+                                    Command="{Binding LastPageCommand}"
+                                    Style="{StaticResource ButtonDefault}"/>
+                        </StackPanel>
+                    </Grid>
+                </Border>
+
+                <!-- 底部信息栏 -->
+                <Border Grid.Row="5"
+                        Background="{DynamicResource SecondaryRegionBrush}"
+                        BorderBrush="{DynamicResource BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8"
+                        Padding="15">
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="*"/>
+                            <ColumnDefinition Width="Auto"/>
+                        </Grid.ColumnDefinitions>
+
+                        <StackPanel Grid.Column="0">
+                            <TextBlock FontWeight="Bold" Margin="0,0,0,5">
+                                <Run Text="💡 功能说明"/>
+                            </TextBlock>
+                            <TextBlock FontSize="11" TextWrapping="Wrap">
+                                <Run Text="• 完整演示 Sharp.Data 模块功能：SQLite + Repository + 分页 + 批量操作 + 审计追踪 + 软删除 + 事务处理"/>
+                                <LineBreak/>
+                                <Run Text="• 分页查询：使用 GetPagedAsync 方法，返回 PagedResult&lt;T&gt; 分页结果"/>
+                                <LineBreak/>
+                                <Run Text="• 批量操作：AddRangeAsync 批量添加，事务确保批量删除的原子性"/>
+                                <LineBreak/>
+                                <Run Text="• 审计追踪：CreatedAt/UpdatedAt/CreatedBy/UpdatedBy 由框架自动管理"/>
+                                <LineBreak/>
+                                <Run Text="• 软删除：RemoveAsync 标记 IsDeleted=true，数据不会物理删除"/>
+                            </TextBlock>
+                        </StackPanel>
+
+                        <StackPanel Grid.Column="1" VerticalAlignment="Center">
+                            <TextBlock Text="数据库: SQLite (demo.db)" FontSize="11" FontWeight="Bold"/>
+                            <TextBlock FontSize="11">
+                                <Run Text="总用户数: "/>
+                                <Run Text="{Binding TotalUsers}" FontWeight="Bold"/>
+                            </TextBlock>
+                        </StackPanel>
+                    </Grid>
+                </Border>
+            </Grid>
+        </ScrollViewer>
+    </Grid>
+</Window>

src/Sharp/Sharp.Demo/Views/Windows/DatabaseWindow.xaml.cs

@@ -0,0 +1,27 @@
+using System.Windows;
+using Sharp.Demo.ViewModels.Pages;
+
+namespace Sharp.Demo.Views.Windows
+{
+    /// <summary>
+    /// DatabaseWindow.xaml 的交互逻辑
+    /// 数据库管理独立窗口 - 演示 Sharp.Data 模块的完整功能
+    /// </summary>
+    public partial class DatabaseWindow : Window
+    {
+        public DatabaseWindow(DatabaseViewModel viewModel)
+        {
+            InitializeComponent();
+            DataContext = viewModel;
+
+            // 设置当前窗口引用（用于对话框父窗口）
+            viewModel.CurrentWindow = this;
+
+            // 窗口加载完成后加载数据
+            Loaded += async (s, e) =>
+            {
+                await viewModel.OnNavigatedToAsync(null);
+            };
+        }
+    }
+}