App.xaml.cs

@@ -1,14 +1,71 @@
-using System.Configuration;
+using ASTM_D7896_Tester.Models;
+using ASTM_D7896_Tester.Services;
+using ASTM_D7896_Tester.Views;
+using Microsoft.Extensions.Configuration;
+using OfficeOpenXml;
+using System;
+using System.Configuration;
 using System.Data;
+using System.IO;
 using System.Windows;
 
-namespace ASTM_D7896_Tester.Views
+namespace ASTM_D7896_Tester
 {
     /// <summary>
     /// Interaction logic for App.xaml
     /// </summary>
     public partial class App : Application
     {
+        public static IPlcService PlcService { get; private set; }
+        public static AppConfig PlcConfig { get; private set; }
+        protected override async void OnStartup(StartupEventArgs e)
+        {
+            ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
+
+            base.OnStartup(e);
+
+            // 防止在登录窗口关闭时应用程序因没有窗口而自动退出
+            ShutdownMode = ShutdownMode.OnExplicitShutdown;
+
+
+
+
+
+
+            var builder = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
+
+            var configuration = builder.Build();
+
+            // appsettings.json in this project keeps PLC settings at the root of the file
+            // (not under a "PlcSettings" section). Bind the entire configuration to AppConfig.
+            PlcConfig = configuration.Get<AppConfig>() ?? new AppConfig();
+
+            PlcService = new PlcService(PlcConfig);
+
+            var plcService = App.PlcService as PlcService;
+            try
+            {
+                await plcService.EnsureConnectedAsync();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"PLC 连接失败：{ex.Message}");
+            }
+
+            // 启动主窗口，设置为应用程序的主窗口并恢复默认的退出模式
+            var mainWindow = new MainWindow();
+            MainWindow = mainWindow;
+            ShutdownMode = ShutdownMode.OnMainWindowClose;
+            mainWindow.Show();
+        }
+
+        protected override void OnExit(ExitEventArgs e)
+        {
+            (PlcService as IDisposable)?.Dispose();
+            base.OnExit(e);
+        }
     }
 
 }