namespace WorkerServiceDemo
{
    public class Program
    {
        public static void Main(string[] args)
        {
            IHost host = Host.CreateDefaultBuilder(args)
                 .UseWindowsService(options =>
                 {
                     //給服務命名，在Windows服務中的會顯示名字
                     options.ServiceName = "NET6故里2130";
                 })
                .ConfigureServices(services =>
                {
                    services.AddHostedService<Worker>();
                })
                .Build();
            host.Run();
        }
    }
}

namespace WorkerServiceDemo
{
    public class Worker : BackgroundService
    {
        private readonly ILogger<Worker> _logger;
        private readonly string filePath = "D:\\Service1.txt";
        public Worker(ILogger<Worker> logger)
        {
            _logger = logger;
        }
        /// <summary>
        /// 執(zhí)行任務
        /// </summary>
        /// <param name="stoppingToken"></param>
        /// <returns></returns>
        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
                using (FileStream stream = new FileStream(filePath, FileMode.Append))
                using (StreamWriter writer = new StreamWriter(stream))
                {
                    writer.WriteLine($"{DateTimeOffset.Now},服務執(zhí)行！");
                }
                await Task.Delay(1000, stoppingToken);
            }
        }
        /// <summary>
        /// 服務啟動
        /// </summary>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public override Task StartAsync(CancellationToken cancellationToken)
        {
            using (FileStream stream = new FileStream(filePath, FileMode.Append))
            using (StreamWriter writer = new StreamWriter(stream))
            {
                writer.WriteLine($"{DateTime.Now},服務啟動！");
            }
            return base.StartAsync(cancellationToken);
        }
        /// <summary>
        /// 服務停止
        /// </summary>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public override Task StopAsync(CancellationToken cancellationToken)
        {
            using (FileStream stream = new FileStream(filePath, FileMode.Append))
            using (StreamWriter writer = new StreamWriter(stream))
            {
                writer.WriteLine($"{DateTime.Now},服務停止！");
            }
            return base.StopAsync(cancellationToken);
        }
    }
}

sc.exe create "故里2130" binpath="D:\code\WorkerService1\WorkerServiceDemo\bin\Release\net6.0\publish\WorkerServiceDemo.exe"