后台服务模板

public class DemoWorker : BackgroundService
{
    private readonly ILogger<DemoWorker> _logger;
    public DemoWorker(ILogger<DemoWorker> logger)
    {
        _logger = logger;
    }
    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            await Task.Delay(new TimeSpan(1,0,0), stoppingToken);
        }
    }
}

builder.Services.AddHostedService<DemoWorker>();