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更新项目配置，新增设备同步模块，优化WebSocket和Swagger配置，增强SCADA系统的免登录接口，支持数据字典项和登录日志的免登录查询与记录。调整Java编译设置，确保更好的开发体验。

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This commit is contained in:
geht
2026-04-28 10:23:58 +08:00
parent bbe46dcf2d
commit 142a0bdaba
1013 changed files with 41858 additions and 28 deletions
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50
yy-admin-master/YY.Admin/Views/Control/MenuTreeView.xaml Normal file
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<UserControl x:Class="YY.Admin.Views.Control.MenuTreeView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:YY.Admin.Views"
xmlns:beh="clr-namespace:YY.Admin.Core.Behavior;assembly=YY.Admin.Core"
mc:Ignorable="d"
d:DesignHeight="450" d:DesignWidth="800">
<TreeView
x:Name="MenuTree"
ItemsSource="{Binding MenuItems}"
Background="Transparent"
BorderThickness="0">
<TreeView.ItemContainerStyle>
<Style TargetType="TreeViewItem" BasedOn="{StaticResource CusTreeViewItemBaseStyle}">
<Setter Property="IsSelected" Value="{Binding IsSelected, Mode=TwoWay}" />
<Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
<Setter Property="FontSize" Value="{StaticResource FontSize}"/>
<Setter Property="Cursor" Value="Hand"/>
<!-- 禁止双击自动展开 -->
<EventSetter Event="MouseDoubleClick" Handler="TreeViewItem_MouseDoubleClick"/>
<!--<Setter Property="Margin" Value="0"/>-->
<!-- 绑定命令到 TreeView 的 DataContext 下的 NavigateCommand -->
<Setter
Property="beh:TreeViewItemClickBehavior.Command"
Value="{Binding DataContext.NavigateCommand,
RelativeSource={RelativeSource AncestorType=TreeView}}"/>
<!-- 把命令参数设为当前数据上下文（菜单项本身） -->
<Setter Property="beh:TreeViewItemClickBehavior.CommandParameter" Value="{Binding}"/>
</Style>
</TreeView.ItemContainerStyle>
<TreeView.ItemTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding Children}">
<StackPanel Orientation="Horizontal" Height="50">
<!--菜单图标-->
<TextBlock
Text="{Binding Icon}"
FontFamily="{StaticResource AntDesignIcon}"
FontSize="16"
VerticalAlignment="Center"
Margin="20,0,12,0"/>
<!--菜单名称-->
<TextBlock Text="{Binding Name}" VerticalAlignment="Center"/>
</StackPanel>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>
</TreeView>
</UserControl>

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yy-admin-master/YY.Admin/Views/Control/MenuTreeView.xaml.cs Normal file
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using System.Windows.Controls;
using System.Windows.Input;
namespace YY.Admin.Views.Control
{
/// <summary>
/// Interaction logic for MenuTreeView.xaml
/// </summary>
public partial class MenuTreeView : UserControl
{
public MenuTreeView()
{
InitializeComponent();
}
private void TreeViewItem_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
// 阻止双击默认展开行为
e.Handled = true;
}
}
}

51
yy-admin-master/YY.Admin/Views/Control/PaginationDataGridControl.xaml Normal file
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<UserControl x:Class="YY.Admin.Views.Control.PaginationDataGridControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:hc="https://handyorg.github.io/handycontrol"
mc:Ignorable="d">
<!-- 底部分页区 -->
<DockPanel LastChildFill="False" Margin="0 10 0 0">
<!-- 分页条（靠右） -->
<hc:Pagination
MaxPageCount="{Binding MaxPageCount}"
PageIndex="{Binding PageIndex, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
DataCountPerPage="{Binding DataCountPerPage}"
IsJumpEnabled="True"
DockPanel.Dock="Right"
Margin="0,0,4,0">
<hc:Interaction.Triggers>
<hc:EventTrigger EventName="PageUpdated">
<hc:EventToCommand Command="{Binding PageUpdatedCmd}" PassEventArgsToCommand="True" />
</hc:EventTrigger>
</hc:Interaction.Triggers>
</hc:Pagination>
<hc:ComboBox
Width="100"
ItemsSource="{Binding PageSizes}"
SelectedIndex="0"
SelectedValue="{Binding DataCountPerPage, Mode=TwoWay}"
DisplayMemberPath="Value"
SelectedValuePath="Key"
Margin="5,0 10 0"
DockPanel.Dock="Right">
<hc:Interaction.Triggers>
<hc:EventTrigger EventName="SelectionChanged">
<hc:EventToCommand Command="{Binding PageSizeUpdatedCmd}"
PassEventArgsToCommand="True"/>
</hc:EventTrigger>
</hc:Interaction.Triggers>
</hc:ComboBox>
<!-- 分页信息（靠左） -->
<TextBlock
Text="{Binding TotalCount, StringFormat='共 {0} 条'}"
VerticalAlignment="Center"
Margin="10,0 5 0"
DockPanel.Dock="Right"/>
</DockPanel>
</UserControl>

108
yy-admin-master/YY.Admin/Views/Control/PaginationDataGridControl.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using YY.Admin.Core;
using YY.Admin.Services.Service;
namespace YY.Admin.Views.Control
{
/// <summary>
/// PaginationDataGridControl.xaml 的交互逻辑
/// </summary>
public partial class PaginationDataGridControl : UserControl
{
public PaginationDataGridControl()
{
InitializeComponent();
//this.Loaded += PaginationDataGridControl_Loaded;
}
// 确保用户在控制加载时触发列生成
//private void PaginationDataGridControl_Loaded(object sender, RoutedEventArgs e)
//{
// // 确保 DataGrid 已完全加载
// Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() =>
// {
// // 确保 DataGrid 控件已初始化并且 ItemsSource 不为 null
// var data = DataGrid.ItemsSource;
// if (data == null)
// {
// return;
// }
// // 获取数据模型的类型
// var type = data.GetType().GetGenericArguments().FirstOrDefault();
// if (type == null) return;
// // 获取所有带有 BindDescriptionAttribute 的属性
// var properties = type.GetProperties()
// .Where(prop => Attribute.IsDefined(prop, typeof(BindDescriptionAttribute)))
// .OrderBy(prop => ((BindDescriptionAttribute)prop.GetCustomAttribute(typeof(BindDescriptionAttribute))).DisplayIndex)
// .ToList();
// foreach (var prop in properties)
// {
// var attribute = prop.GetCustomAttribute<BindDescriptionAttribute>();
// if (attribute != null)
// {
// // 检查列是否已经存在
// if (!ColumnExists(attribute.HeaderName))
// {
// var column = CreateDataGridColumn(attribute, prop);
// if (column != null)
// {
// // 通过绑定添加列
// DataGrid.Columns.Add(column);
// }
// }
// }
// }
// }));
//}
//// 检查列是否已经存在
//private bool ColumnExists(string headerName)
//{
// return DataGrid.Columns.Any(c => c.Header.ToString() == headerName);
//}
//private DataGridColumn CreateDataGridColumn(BindDescriptionAttribute attribute, PropertyInfo property)
//{
// DataGridColumn column = null;
// // 根据属性的显示方式来创建不同的列
// switch (attribute.ShowAs)
// {
// case ShowScheme.普通文本:
// column = new DataGridTextColumn
// {
// Header = attribute.HeaderName,
// Binding = new Binding(property.Name),
// Width = attribute.Width,
// DisplayIndex = attribute.DisplayIndex
// };
// break;
// case ShowScheme.自定义:
// // 如果需要自定义列，您可以在这里扩展并处理自定义类型的列
// break;
// }
// return column;
//}
}
}

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yy-admin-master/YY.Admin/Views/Control/SidebarControl.xaml Normal file
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<UserControl x:Class="YY.Admin.Views.Control.SidebarControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
xmlns:prism="http://prismlibrary.com/"
xmlns:md="http://materialdesigninxaml.net/winfx/xaml/themes"
xmlns:hc="https://handyorg.github.io/handycontrol"
xmlns:core="clr-namespace:YY.Admin.Core;assembly=YY.Admin.Core"
xmlns:ctls="clr-namespace:YY.Admin.Core.Controls;assembly=YY.Admin.Core"
xmlns:local="clr-namespace:YY.Admin.Views.Control">
<UserControl.Resources>
<!-- AntDesign 模板 -->
<DataTemplate x:Key="AntDesignIconTemplate">
<TextBlock
FontFamily="{StaticResource AntDesignIcon}"
FontSize="22"
Text="{Binding Icon}"
Margin="0,0,0,5"
HorizontalAlignment="Center"/>
</DataTemplate>
<!-- MaterialDesign 模板 -->
<DataTemplate x:Key="MaterialDesignIconTemplate">
<md:PackIcon
Kind="{Binding Icon}"
Width="22"
Height="22"
Margin="0,0,0,5"
HorizontalAlignment="Center"/>
</DataTemplate>
<!-- FontAwesome 模板 -->
<DataTemplate x:Key="FontawesomeIconTemplate">
<ctls:FontAwesomeIcon
Icon="{Binding Icon}"
FontSize="22"
Margin="0,0,0,5"
HorizontalAlignment="Center"/>
</DataTemplate>
<DataTemplate x:Key="NavItemTemplate">
<StackPanel Orientation="Vertical" Margin="5" HorizontalAlignment="Center">
<ContentControl>
<ContentControl.Style>
<Style TargetType="ContentControl">
<!-- 默认模板（AntDesign） -->
<Setter Property="ContentTemplate" Value="{StaticResource AntDesignIconTemplate}"/>
<!-- 绑定数据上下文 -->
<Setter Property="Content" Value="{Binding}"/>
<!-- 触发器根据 IconType 切换模板 -->
<Style.Triggers>
<DataTrigger Binding="{Binding IconType}" Value="{x:Static core:IconTypeEnum.MaterialDesign}">
<Setter Property="ContentTemplate" Value="{StaticResource MaterialDesignIconTemplate}"/>
</DataTrigger>
<DataTrigger Binding="{Binding IconType}" Value="{x:Static core:IconTypeEnum.FontAwesome}">
<Setter Property="ContentTemplate" Value="{StaticResource FontawesomeIconTemplate}"/>
</DataTrigger>
</Style.Triggers>
</Style>
</ContentControl.Style>
</ContentControl>
<TextBlock Text="{Binding Name}" FontSize="12" TextTrimming="CharacterEllipsis" TextWrapping="NoWrap" TextAlignment="Center"/>
</StackPanel>
</DataTemplate>
<Style x:Key="NavItemStyle" TargetType="ListBoxItem" BasedOn="{StaticResource ListBoxItemBaseStyle}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Grid x:Name="templateRoot" Margin="0,0,0,5">
<!-- 左侧指示器 -->
<Border
x:Name="indicator"
Width="4"
HorizontalAlignment="Left"
VerticalAlignment="Center"
Margin="6,0,0,0"
CornerRadius="2"
Background="{DynamicResource PrimaryBrush}"
Opacity="0"
Panel.ZIndex="1"
Height="{Binding ActualHeight, ElementName=templateRoot, Converter={StaticResource PercentageConverter}, ConverterParameter=0.4}">
<Border.RenderTransform>
<TranslateTransform Y="10"/>
</Border.RenderTransform>
</Border>
<!-- 内容边框 -->
<Border x:Name="border" CornerRadius="6" Background="Transparent" Margin="5,0">
<ContentPresenter x:Name="content" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</Grid>
<ControlTemplate.Triggers>
<!-- 选中动画 -->
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="border" Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
<Setter TargetName="content" Property="TextBlock.Foreground" Value="{DynamicResource PrimaryBrush}"/>
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName="indicator"
Storyboard.TargetProperty="Opacity"
To="0.8"
Duration="0:0:0.25"/>
<DoubleAnimation
Storyboard.TargetName="indicator"
Storyboard.TargetProperty="RenderTransform.(TranslateTransform.Y)"
To="0"
Duration="0:0:0.25"/>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName="indicator"
Storyboard.TargetProperty="Opacity"
To="0"
Duration="0:0:0.25"/>
<DoubleAnimation
Storyboard.TargetName="indicator"
Storyboard.TargetProperty="RenderTransform.(TranslateTransform.Y)"
To="10"
Duration="0:0:0.25"/>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
<!-- 鼠标悬停 -->
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="border" Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
<Setter TargetName="content" Property="TextBlock.Foreground" Value="{DynamicResource PrimaryBrush}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<!-- 鼠标点击触发命令 -->
<EventSetter Event="PreviewMouseLeftButtonDown" Handler="OnNavItemMouseDown"/>
</Style>
</UserControl.Resources>
<Border BorderBrush="{DynamicResource BorderBrush}" BorderThickness="0,0,1,0">
<Grid>
<Grid.RowDefinitions>
<!-- 上部占满剩余空间 -->
<RowDefinition Height="*"/>
<!-- 底部自适应 -->
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<!-- 上半部分：主导航 -->
<ListBox
Grid.Row="0"
Padding="0,5,0,0"
BorderThickness="0"
hc:BorderElement.CornerRadius="0"
ItemsSource="{Binding TopNavItems}"
SelectedItem="{Binding SelectedTopNavItem, Mode=TwoWay}"
ItemTemplate="{StaticResource NavItemTemplate}"
ItemContainerStyle="{StaticResource NavItemStyle}">
<!--<i:Interaction.Triggers>
<i:EventTrigger EventName="SelectionChanged">
<prism:InvokeCommandAction
Command="{Binding NavItemClickCommand}"
CommandParameter="{Binding SelectedItem, RelativeSource={RelativeSource AncestorType=ListBox}}"/>
</i:EventTrigger>
</i:Interaction.Triggers>-->
</ListBox>
<!-- 底部部分：固定操作 -->
<ListBox
Grid.Row="1"
Padding="0"
BorderThickness="0"
hc:BorderElement.CornerRadius="0"
ItemsSource="{Binding BottomNavItems}"
SelectedItem="{Binding SelectedBottomNavItem, Mode=TwoWay}"
ItemTemplate="{StaticResource NavItemTemplate}"
ItemContainerStyle="{StaticResource NavItemStyle}"/>
</Grid>
</Border>
</UserControl>

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yy-admin-master/YY.Admin/Views/Control/SidebarControl.xaml.cs Normal file
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using System.Windows.Controls;
using System.Windows.Input;
using YY.Admin.Module;
namespace YY.Admin.Views.Control
{
/// <summary>
/// Interaction logic for Sidebar.xaml
/// </summary>
public partial class SidebarControl : UserControl
{
public SidebarControl()
{
InitializeComponent();
}
private void OnNavItemMouseDown(object sender, MouseButtonEventArgs e)
{
if (sender is ListBoxItem item && item.DataContext is NavItem navItem)
{
// 执行命令（如果有）
if (navItem.Command?.CanExecute(navItem) == true)
{
navItem.Command.Execute(navItem);
}
// 如果不可选，阻止选中
if (!navItem.IsActive)
{
// 阻止 ListBox 自动选择该项
e.Handled = true;
return;
}
}
}
}
}

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yy-admin-master/YY.Admin/Views/Control/TabContentView.xaml Normal file
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<UserControl x:Class="YY.Admin.Views.Control.TabContentView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:prism="http://prismlibrary.com/">
<Grid>
<!-- 这个 ContentControl 将被注册为 Prism 区域 -->
<ContentControl x:Name="PART_ContentHost" />
</Grid>
</UserControl>

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yy-admin-master/YY.Admin/Views/Control/TabContentView.xaml.cs Normal file
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//using Prism.Ioc;
//using System;
//using System.Windows;
//using System.Windows.Controls;
//using System.Windows.Threading;
//namespace YY.Admin.Views.Control
//{
// /// <summary>
// /// TabContentView.xaml 的交互逻辑
// /// </summary>
// public partial class TabContentView : UserControl
// {
// public TabContentView()
// {
// InitializeComponent();
// this.Loaded += TabContentView_Loaded;
// this.Unloaded += TabContentView_Unloaded;
// }
// private bool _navigated = false;
// private void TabContentView_Loaded(object sender, RoutedEventArgs e)
// {
// try
// {
// if (string.IsNullOrWhiteSpace(RegionName))
// return;
// var regionManager = ContainerLocator.Current.Resolve<IRegionManager>();
// // 把内部 ContentControl 注册为 region（基于 RegionName）
// RegionManager.SetRegionName(PART_ContentHost, RegionName);
// RegionManager.SetRegionManager(PART_ContentHost, regionManager);
// // 延迟导航，确保 region 真正注册到 RegionManager 并且模板生成为止
// if (!_navigated && !string.IsNullOrEmpty(ViewName))
// {
// Dispatcher.BeginInvoke(new Action(() =>
// {
// try
// {
// // 再次检查 region 是否存在并执行导航
// if (regionManager.Regions.ContainsRegionWithName(RegionName))
// {
// regionManager.RequestNavigate(RegionName, ViewName);
// }
// else
// {
// // 如果 region 仍然不存在，尝试 RequestNavigate（Prism 通常会创建 region）
// regionManager.RequestNavigate(RegionName, ViewName);
// }
// }
// catch (Exception ex)
// {
// System.Diagnostics.Debug.WriteLine($"TabContentView 导航异常: {ex.Message}");
// }
// }), DispatcherPriority.Background);
// _navigated = true;
// }
// }
// catch (Exception ex)
// {
// System.Diagnostics.Debug.WriteLine($"TabContentView_Loaded 出错: {ex.Message}");
// }
// }
// private void TabContentView_Unloaded(object sender, RoutedEventArgs e)
// {
// try
// {
// if (!string.IsNullOrWhiteSpace(RegionName))
// {
// var regionManager = ContainerLocator.Current.Resolve<IRegionManager>();
// if (regionManager.Regions.ContainsRegionWithName(RegionName))
// {
// var region = regionManager.Regions[RegionName];
// region.RemoveAll();
// regionManager.Regions.Remove(RegionName);
// }
// }
// }
// catch (Exception ex)
// {
// System.Diagnostics.Debug.WriteLine($"TabContentView_Unloaded 清理异常: {ex.Message}");
// }
// }
// #region RegionName DP
// public static readonly DependencyProperty RegionNameProperty =
// DependencyProperty.Register(nameof(RegionName), typeof(string), typeof(TabContentView), new PropertyMetadata(null));
// public string RegionName
// {
// get => (string)GetValue(RegionNameProperty);
// set => SetValue(RegionNameProperty, value);
// }
// #endregion
// #region ViewName DP
// public static readonly DependencyProperty ViewNameProperty =
// DependencyProperty.Register(nameof(ViewName), typeof(string), typeof(TabContentView), new PropertyMetadata(null));
// public string ViewName
// {
// get => (string)GetValue(ViewNameProperty);
// set => SetValue(ViewNameProperty, value);
// }
// #endregion
// }
//}
using Prism.Ioc;
using System;
using System.Diagnostics;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;
namespace YY.Admin.Views.Control
{
public partial class TabContentView : UserControl
{
public TabContentView()
{
InitializeComponent();
this.Loaded += TabContentView_Loaded;
this.Unloaded += TabContentView_Unloaded;
this.IsVisibleChanged += TabContentView_IsVisibleChanged;
this.DataContextChanged += TabContentView_DataContextChanged;
}
private bool _navigated = false;
private IRegionManager _regionManager;
private DispatcherOperation _pendingNavigationOp;
#region DPs
public static readonly DependencyProperty RegionNameProperty =
DependencyProperty.Register(nameof(RegionName), typeof(string), typeof(TabContentView), new PropertyMetadata(null, OnRegionOrViewNameChanged));
public string RegionName
{
get => (string)GetValue(RegionNameProperty);
set => SetValue(RegionNameProperty, value);
}
public static readonly DependencyProperty ViewNameProperty =
DependencyProperty.Register(nameof(ViewName), typeof(string), typeof(TabContentView), new PropertyMetadata(null, OnRegionOrViewNameChanged));
public string ViewName
{
get => (string)GetValue(ViewNameProperty);
set => SetValue(ViewNameProperty, value);
}
#endregion
private void TabContentView_Loaded(object sender, RoutedEventArgs e)
{
try
{
if (string.IsNullOrWhiteSpace(RegionName))
return;
_regionManager = ContainerLocator.Current.Resolve<IRegionManager>();
// 确保 region/manager 设置在后续导航前准备好（但不要重复注册 region 这里）
// We will call PrepareRegionForRegistration inside EnsureNavigateIfNeeded before actual registration.
EnsureNavigateIfNeeded();
}
catch (Exception ex)
{
Debug.WriteLine($"TabContentView_Loaded 出错: {ex.Message}");
}
}
private void TabContentView_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
=> EnsureNavigateIfNeeded();
private void TabContentView_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
=> EnsureNavigateIfNeeded();
private void EnsureNavigateIfNeeded()
{
try
{
if (_navigated)
return;
if (string.IsNullOrWhiteSpace(RegionName) || string.IsNullOrWhiteSpace(ViewName))
return;
if (!IsLoaded || !IsVisible)
return;
if (_regionManager == null)
_regionManager = ContainerLocator.Current.Resolve<IRegionManager>();
// 在注册 region 之前准备 host（清理旧 region 与清空 Content），避免 Prism 抛 Content 非空异常
PrepareRegionForRegistration();
// 取消之前挂起的导航（保证最后一次胜出）
if (_pendingNavigationOp != null && _pendingNavigationOp.Status == DispatcherOperationStatus.Pending)
{
Debug.WriteLine($"取消挂起导航: region={RegionName}, view={ViewName}");
_pendingNavigationOp.Abort();
_pendingNavigationOp = null;
}
var desiredView = ViewName;
var desiredRegion = RegionName;
_pendingNavigationOp = Dispatcher.BeginInvoke(new Action(() =>
{
try
{
if (_regionManager == null)
_regionManager = ContainerLocator.Current.Resolve<IRegionManager>();
// 现在把 PART_ContentHost 注册为一个 region（设置 RegionName/RegionManager）
// 注意：如果前面清理正确，这里不会再触发 ContentControl already has content 错误
RegionManager.SetRegionName(PART_ContentHost, desiredRegion);
RegionManager.SetRegionManager(PART_ContentHost, _regionManager);
Debug.WriteLine($"开始 RequestNavigate -> region={desiredRegion}, view={desiredView}");
_regionManager.RequestNavigate(desiredRegion, desiredView, result =>
{
try
{
if (result.Success == true)
{
_navigated = true;
Debug.WriteLine($"导航成功: region={desiredRegion}, view={desiredView}");
}
else
{
_navigated = false;
Debug.WriteLine($"导航失败: region={desiredRegion}, view={desiredView}, error={result.Exception?.Message}");
}
}
catch (Exception ex)
{
_navigated = false;
Debug.WriteLine($"导航回调异常: {ex.Message}");
}
});
}
catch (Exception ex)
{
Debug.WriteLine($"调度导航异常: {ex.Message}");
}
finally
{
_pendingNavigationOp = null;
}
}), DispatcherPriority.Background);
Debug.WriteLine($"调度导航: Region={RegionName}, View={ViewName}, Loaded={IsLoaded}, Visible={IsVisible}, navigated={_navigated}");
}
catch (Exception ex)
{
Debug.WriteLine($"EnsureNavigateIfNeeded 异常: {ex.Message}");
}
}
/// <summary>
/// 在注册 region 之前清理宿主控件与 RegionManager 中可能残留的 region。
/// 这一步是防止 Prism 在 adapt 时因为 ContentControl.Content 非空而抛异常。
/// </summary>
private void PrepareRegionForRegistration()
{
try
{
// 如果 RegionManager 中已存在同名 region，则先移除它（并 RemoveAll 内容）
if (_regionManager != null && _regionManager.Regions.ContainsRegionWithName(RegionName))
{
try
{
var existing = _regionManager.Regions[RegionName];
existing.RemoveAll();
_regionManager.Regions.Remove(RegionName);
Debug.WriteLine($"已移除旧 region: {RegionName}");
}
catch (Exception ex)
{
Debug.WriteLine($"移除旧 region 发生异常: {ex.Message}");
}
}
// 如果宿主 ContentControl 已经有内容，清空它（很关键）
if (PART_ContentHost != null && PART_ContentHost.Content != null)
{
Debug.WriteLine($"清空 PART_ContentHost.Content (原内容类型: {PART_ContentHost.Content.GetType().Name})");
PART_ContentHost.Content = null;
}
}
catch (Exception ex)
{
Debug.WriteLine($"PrepareRegionForRegistration 异常: {ex.Message}");
}
}
private void TabContentView_Unloaded(object sender, RoutedEventArgs e)
{
try
{
// 取消挂起导航
if (_pendingNavigationOp != null && _pendingNavigationOp.Status == DispatcherOperationStatus.Pending)
{
_pendingNavigationOp.Abort();
_pendingNavigationOp = null;
}
// 清理 region 与宿主内容
if (!string.IsNullOrWhiteSpace(RegionName))
{
var rm = _regionManager ?? ContainerLocator.Current.Resolve<IRegionManager>();
try
{
if (rm != null && rm.Regions.ContainsRegionWithName(RegionName))
{
var region = rm.Regions[RegionName];
region.RemoveAll();
rm.Regions.Remove(RegionName);
Debug.WriteLine($"卸载并移除 region: {RegionName}");
}
}
catch (Exception ex)
{
Debug.WriteLine($"TabContentView_Unloaded 清理 region 异常: {ex.Message}");
}
}
if (PART_ContentHost != null && PART_ContentHost.Content != null)
{
PART_ContentHost.Content = null;
Debug.WriteLine($"Unloaded: 清空 PART_ContentHost.Content");
}
}
catch (Exception ex)
{
Debug.WriteLine($"TabContentView_Unloaded 清理异常: {ex.Message}");
}
finally
{
_navigated = false;
}
}
private static void OnRegionOrViewNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is TabContentView tc)
{
// 新参数到来，允许再次导航
tc._navigated = false;
// 取消旧挂起导航
if (tc._pendingNavigationOp != null && tc._pendingNavigationOp.Status == DispatcherOperationStatus.Pending)
{
tc._pendingNavigationOp.Abort();
tc._pendingNavigationOp = null;
}
// 尝试导航（这一调用会在 Loaded/可见时真正执行）
tc.EnsureNavigateIfNeeded();
}
}
}
}