App.xaml.cs
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using FreeSql;
using HHECS.DAQClient.Common;
using HHECS.DAQClient.DataAccess;
using HHECS.DAQClient.Services;
using HHECS.DAQClient.ViewModel;
using Microsoft.Extensions.DependencyInjection;
using NLog;
using System.Configuration;
using System.Diagnostics;
using System.Reflection;
using System.Windows;
using System.Windows.Threading;
using MessageBox = HandyControl.Controls.MessageBox;
namespace HHECS.DAQClient
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
private readonly Logger _log = LogManager.GetCurrentClassLogger();
public App()
{
Services = ConfigureServices();
InitializeComponent();
}
/// <summary>
/// Gets the current <see cref="App"/> instance in use
/// </summary>
public new static App Current => (App)Application.Current;
/// <summary>
/// Gets the <see cref="IServiceProvider"/> instance to resolve application services.
/// </summary>
public IServiceProvider Services { get; }
/// <summary>
/// Configures the services for the application.
/// </summary>
private static IServiceProvider ConfigureServices()
{
var services = new ServiceCollection();
var connectionString = ConfigurationManager.ConnectionStrings["Default"].ConnectionString;
IFreeSql fsql = new FreeSqlBuilder()
.UseConnectionString(DataType.Sqlite, connectionString)
//.UseMonitorCommand(cmd => Console.WriteLine($"Sql：{cmd.CommandText}"))//监听SQL语句
.UseAutoSyncStructure(true) //自动同步实体结构到数据库，FreeSql不会扫描程序集，只有CRUD时才会生成表。
.Build();
services.AddSingleton(fsql);
services.AddFreeDbContext<DataContext>(option => option.UseFreeSql(fsql));
services.AddHttpClient<HttpService>();
services.AddSingleton<CenterService>();
// DataAnalysis
//services.AddScoped<IAnalysis, FanucAnalysis>();
// Viewmodels
services.AddTransient<MainVM>();
return services.BuildServiceProvider();
}
private void Application_Startup(object sender, StartupEventArgs e)
{
//UI线程未捕获异常处理事件（UI主线程）
this.DispatcherUnhandledException += App_DispatcherUnhandledException;
//非UI线程未捕获异常处理事件(例如自己创建的一个子线程)
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
//Task线程内未捕获异常处理事件
TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
var process = Process.GetProcessesByName($"{Assembly.GetExecutingAssembly().GetName().Name}");
if (process.Length > 1)
{
MessageBox.Warning("重复启动", "程序已启动！");
Environment.Exit(0);
}
}
private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
{
Exception ex = e.Exception;
//MessageBox.Error("Task线程异常", ex.ToString());
_log.Debug($"UI线程异常{ex}");
}
private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
if (e.ExceptionObject is Exception ex)
{
_log.Debug($"非UI线程异常{ex}", LogType.Debug);
}
}
private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
{
Exception ex = e.Exception;
string msg = string.Format("{0}\n\n{1}", ex.Message, ex.StackTrace);//异常信息 和 调用堆栈信息
MessageBox.Error("UI线程异常", msg);
_log.Debug($"UI线程异常{ex}");
e.Handled = true;//表示异常已处理，可以继续运行
}
}
}