基本框架搭建

linesider_screen_bankend/Modules/linesider_screen_bankend.Modules.ModuleName/ViewModels/CommonLogViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using linesider_screen_bankend.Core.Mvvm;
+using linesider_screen_bankend.Services.Interfaces;
+using Prism.Regions;
+
+namespace linesider_screen_bankend.Modules.ModuleName.ViewModels
+{
+    public class CommonLogViewModel : RegionViewModelBase
+    {
+        ILogService _logService;
+        private string _logMessage;
+        public string LogMessage
+        {
+            get { return _logMessage; }
+            set { SetProperty(ref _logMessage, value); }
+        }
+        public CommonLogViewModel(IRegionManager regionManager, ILogService logService) : base(regionManager)
+        {
+            LogMessage = logService.GetInitMessage();
+            _logService = logService;
+        }
+
+        public void AddLogMessage()
+        {
+            _logService.AddMessage("123");
+        }
+        public override void OnNavigatedTo(NavigationContext navigationContext)
+        {
+            //do something
+        }
+    }
+}

linesider_screen_bankend/Modules/linesider_screen_bankend.Modules.ModuleName/ViewModels/TopMenuViewModel.cs

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+using linesider_screen_bankend.Core;
+using linesider_screen_bankend.Core.Mvvm;
+using linesider_screen_bankend.Services.Interfaces;
+using Prism.Commands;
+using Prism.Regions;
+
+namespace linesider_screen_bankend.Modules.ModuleName.ViewModels
+{
+    public class TopMenuViewModel : RegionViewModelBase
+    {
+        private readonly IRegionManager _regionManager;
+        public DelegateCommand NavigateToHomeCommand { get; private set; }
+        public DelegateCommand NavigateToSettingsCommand { get; private set; }
+        public TopMenuViewModel(IRegionManager regionManager) :
+            base(regionManager)
+        {
+            _regionManager = regionManager;
+            NavigateToHomeCommand = new DelegateCommand(NavigateToHome);
+            NavigateToSettingsCommand = new DelegateCommand(NavigateToSettings);
+        }
+        public override void OnNavigatedTo(NavigationContext navigationContext)
+        {
+            //do something
+        }
+        private void NavigateToHome()
+        {
+            _regionManager.RequestNavigate(RegionNames.ContentRegion, "HomePage");
+        }
+
+        private void NavigateToSettings()
+        {
+            _regionManager.RequestNavigate(RegionNames.ContentRegion, "SettingsPage");
+        }
+
+
+    }
+}