prism WPF 区域

看效果可以用来做成根据菜单切换下面的内容区域

项目结构

代码

UI层

MainWindow.xaml

<Window x:Class="PrismWpfApp.Views.MainWindow"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"xmlns:local="clr-namespace:PrismWpfApp"xmlns:prism="http://prismlibrary.com/"prism:ViewModelLocator.AutoWireViewModel="True"mc:Ignorable="d"Title="{Binding Title}" Height="450" Width="800"><Grid><!--<TextBlock Text="{Binding Title}"/>--><Grid.RowDefinitions><RowDefinition Height="30"></RowDefinition><RowDefinition ></RowDefinition></Grid.RowDefinitions><StackPanel Grid.Row="0" Orientation="Horizontal"><Button Content="区域A" Width="80" Height="30" Command="{Binding ShowContentCommand}" CommandParameter="UserControlA" ></Button><Button Content="区域B" Width="80" Height="30" Command="{Binding ShowContentCommand}" CommandParameter="UserControlB" ></Button><Button Content="区域C" Width="80" Height="30" Command="{Binding ShowContentCommand}" CommandParameter="UserControlC" ></Button></StackPanel><ContentControl Grid.Row="1" prism:RegionManager.RegionName="ContentRegions"></ContentControl></Grid>
</Window>

UserControlA.xaml

<UserControl x:Class="PrismWpfApp.Views.UserControlA"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:PrismWpfApp.Views"mc:Ignorable="d" d:DesignHeight="450" d:DesignWidth="800"><Grid><TextBlock Text="我是A" FontSize="50"/></Grid>
</UserControl>

B和C都是一样的内容

UiViewModelBase.cs

using Prism.Commands;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;namespace PrismWpfApp.ViewModels
{/// <summary>/// UI 层的 ViewModelBase 基类/// </summary>public abstract class UiViewModelBase : BindableBase{public UiViewModelBase(){AppDataInstance = AppData.Instance;initCommand();}public AppData _appDataInstance;/// <summary>/// 公共数据/// </summary>public AppData AppDataInstance{get { return _appDataInstance; }set{SetProperty(ref _appDataInstance, value);}}private string _systemName = "一体针焊接系统";/// <summary>/// 系统名称/// </summary>public string SystemName{get { return _systemName; }set{SetProperty(ref _systemName, value);}}private string _title = "标题";/// <summary>/// 标题/// </summary>public string Title{get { return _title; }set{SetProperty(ref _title, value);}}private void initCommand(){CloseCommand = new DelegateCommand<Window>(close);}/// <summary>/// 关闭(取消) 命令/// </summary>public DelegateCommand<Window> CloseCommand { get; set; }/// <summary>/// 关闭(取消) 方法/// </summary>public void close(Window window){if (window != null){window.Close();}}/// <summary>/// 根据名称获取开关的值/// </summary>/// <param name="name">名称</param>/// <returns>是否开启</returns>public bool GetOnOffByName(string name){var isOn = false;//if (!string.IsNullOrEmpty(name))//{//    isOn = _serviceSysConfig.GetOnOffByName(name);//}return isOn;}/// <summary>/// 保存开关配置/// </summary>/// <param name="connfigName">配置名称</param>/// <param name="value">是否开启</param>/// <returns>是否成功</returns>public bool SaveOnOff(string connfigName, bool value){var isOk = false;if (!string.IsNullOrEmpty(connfigName)){//isOk = _serviceSysConfig.SaveModelByName(new SysConfigModel()//{//    Name = connfigName,//    ValueStr = value.ToString(),//    UpdatedBy = "ADMIN",//    UpdatedOn = DateTime.Now//});}return isOk;}}
}

MainWindowViewModel.cs

using Prism.Commands;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;namespace PrismWpfApp.ViewModels
{public class MainWindowViewModel : UiViewModelBase{/// <summary>/// Prism 提供 区域管理接口/// </summary>private readonly IRegionManager _regionManager;public MainWindowViewModel(IRegionManager regionManager) {this.Title = "XXX系统";_regionManager = regionManager;}/// <summary>/// 显示区域内容/// </summary>public DelegateCommand<string> ShowContentCommand{get{return new DelegateCommand<string>((arg) =>{//_regionManager.Regions["ContentRegions"].RequestNavigate(arg);});}}}
}

App.xaml.cs

重点 注册 导航 RegisterForNavigation

using Prism.Ioc;
using Prism.Unity;
using PrismWpfApp.ViewModels;
using PrismWpfApp.Views;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;namespace PrismWpfApp
{/// <summary>/// App.xaml 的交互逻辑/// </summary>public partial class App : PrismApplication{/// <summary>/// 提供主窗口的对象/// </summary>/// <returns></returns>/// <exception cref="NotImplementedException"></exception>protected override Window CreateShell(){//打开第一个窗口return Container.Resolve<MainWindow>();//return new MainWindow();}/// <summary>/// 业务中所有需要注入的对象，在这个方法里注册/// </summary>/// <param name="containerRegistry"></param>/// <exception cref="NotImplementedException"></exception>protected override void RegisterTypes(IContainerRegistry containerRegistry){//注册 导航 RegisterForNavigationcontainerRegistry.RegisterForNavigation<UserControlA>();containerRegistry.RegisterForNavigation<UserControlB>();containerRegistry.RegisterForNavigation<UserControlC>();}//protected override void OnStartup(StartupEventArgs e)//{//    base.OnStartup(e);//    if (new LoginWindow().ShowDialog() == true)//    {//        new MainWindow().ShowDialog();//    }//    Application.Current.Shutdown();//}}
}