wpf 仿layui 左侧导航菜单-EW帮帮网

<ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Hidden">
<StackPanel>
<ToggleButton Style="{StaticResource SidebarTButtonStyle}" Content="控制台" Tag="" IsChecked="True"/>

</Grid>
</UserControl>

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.Shapes;
using static MaterialDesignThemes.Wpf.Theme.ToolBar;

namespace SZJGrains.Views
{
/// <summary>
/// MainView.xaml 的交互逻辑
/// </summary>
public partial class MainView : Window
{
ObservableCollection<Components.MenuNavigation.MenuItem> menuItems;
// 定义菜单的两种宽度
private const double MenuExpandedWidth = 230;
private const double MenuCollapsedWidth = 60;

// 记录当前菜单状态
private bool _isMenuExpanded = true;
public MainView()
{
InitializeComponent();
LoadMenuItems();
// 订阅菜单切换事件
top.MenuToggleClicked += OnMenuToggleClicked;
}
/// <summary>
/// 处理菜单切换事件
/// </summary>
private void OnMenuToggleClicked(object sender, RoutedEventArgs e)
{
// 切换菜单状态
_isMenuExpanded = !_isMenuExpanded;

// 更新菜单宽度
var menuBorder = (Border)FindName("menuBorder"); // 需要给左侧Border命名为menuBorder
menuBorder.Width = _isMenuExpanded ? MenuExpandedWidth : MenuCollapsedWidth;

// 可以在这里添加其他需要的动画或布局调整
}
private void LoadMenuItems()
{
menuItems = new ObservableCollection<Components.MenuNavigation.MenuItem>();

// 系统管理菜单
var systemMenu = new Components.MenuNavigation.MenuItem
{
Title = "系统管理",
Icon = "",
Children =
{
new Components.MenuNavigation.MenuItem
{

Title = "用户管理",
Icon = "",
ViewName ="Views.User.UserPage",
Command = new RelayCommand(_ => ShowContent("Views.User.UserPage"))
},
new Components.MenuNavigation.MenuItem
{
Title = "角色管理",
Icon = "",
ViewName ="Views.Role.RolePage",
Command = new RelayCommand(_ => ShowContent("Views.Role.RolePage"))
},
new Components.MenuNavigation.MenuItem
{
Title = "权限管理",
Icon = "",
ViewName ="Views.User.UserPage",
}
}
};

// 数据管理菜单
var dataMenu = new Components.MenuNavigation.MenuItem
{
Title = "基础设置",
Icon = "",
Children =
{
new Components.MenuNavigation.MenuItem
{
Title = "仓库管理",
IsSelected=true,
Icon = "",
ViewName="Views.WareHouse.WareHousePage",

},
new Components.MenuNavigation.MenuItem
{
Title = "粮食管理",
Icon = "",
ViewName="Views.Grain.GrainPage",

},
new Components.MenuNavigation.MenuItem
{
Title = "地磅管理",
Icon = "",
ViewName="Views.Weighbridge.WeighbridgePage",

},
new Components.MenuNavigation.MenuItem
{
Title = "摄像头管理",
Icon = "",
ViewName="Views.Camera.CameraPage",

}, new Components.MenuNavigation.MenuItem
{
Title = "主界面",
Icon = "",
ViewName="Views.DashBoard.DashBoardPage",

},
new Components.MenuNavigation.MenuItem
{
Title = "字段管理",
Icon = "",
ViewName ="Views.FormField.FormFieldPage",
}
}
};

// 添加菜单项

//foreach (var item in dataMenu.Children)
//{
// item.Command = new RelayCommand(_ => ChangeItem(item));
//}
var zhifuMenu = new Components.MenuNavigation.MenuItem
{
Title = "费用结算",
Icon = "",
};
var yushouyufuMenu = new Components.MenuNavigation.MenuItem
{
Title = "预售预付",
Icon = "",
};
var otherFeeMenu = new Components.MenuNavigation.MenuItem
{
Title = "其他费用",
Icon = "",
};
var ReportsMenu = new Components.MenuNavigation.MenuItem
{
Title = "报表",
Icon = "",
};
menuItems.Add(systemMenu);
menuItems.Add(dataMenu);
menuItems.Add(zhifuMenu);
menuItems.Add(yushouyufuMenu);
menuItems.Add(otherFeeMenu);
menuItems.Add(ReportsMenu);
foreach (var t in menuItems)
{
foreach (var t2 in t.Children)
{
t2.Command = new RelayCommand(_ => ChangeItem(t2)); ;
}
}
MenuNavControl.MenuItems = menuItems;
}
private void ShowContent(string content)
{

mainFrame.Content = CreateUserControlFromFileName(content);

}
void ChangeItem(Components.MenuNavigation.MenuItem item)
{
foreach (var t in menuItems)
{
foreach (var t2 in t.Children)
{
t2.IsSelected = false;
}
}
item.IsSelected = true;
mainFrame.Content = CreateUserControlFromFileName(item.ViewName);
}
public UserControl CreateUserControlFromFileName(string fileNameWithoutExtension)
{
if(string.IsNullOrWhiteSpace(fileNameWithoutExtension)) MessageBox.Show($"找不到指定的模块");
fileNameWithoutExtension = fileNameWithoutExtension.Replace("/", ".");
// 获取当前程序集
Assembly assembly = Assembly.GetExecutingAssembly();

// 假设所有UserControl都在当前程序集的"Views"命名空间下
string fullTypeName = $"SZJGrains.{fileNameWithoutExtension}";

// 获取类型
Type type = assembly.GetType(fullTypeName);
if (type == null || !typeof(UserControl).IsAssignableFrom(type))
{
//throw new ArgumentException($"找不到指定的UserControl: {fileNameWithoutExtension}");
MessageBox.Show("找不到指定的模块");
return null;
}

// 创建实例
return (UserControl)Activator.CreateInstance(type);
}
}
public class RelayCommand : ICommand
{
private readonly Action<object> _execute;
private readonly Predicate<object> _canExecute;

public RelayCommand(Action<object> execute, Predicate<object> canExecute = null)
{
_execute = execute ?? throw new ArgumentNullException(nameof(execute));
_canExecute = canExecute;
}

public bool CanExecute(object parameter) => _canExecute?.Invoke(parameter) ?? true;

public void Execute(object parameter) => _execute(parameter);

public event EventHandler CanExecuteChanged
{
add => CommandManager.RequerySuggested += value;
remove => CommandManager.RequerySuggested -= value;
}
}
}

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