C# BackgroundService服务案例

 1 public abstract class BackGroundWork : BackgroundService
 2 {
 3     /// <summary>
 4     /// 创建⼀个取消标记源
 5     /// </summary>
 6     private readonly CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
 7     /// <summary>
 8     /// 入参委托
 9     /// </summary>
10     private Action<object> action;
11 
12     /// <summary>
13     /// 初始化
14     /// </summary>
15     protected void Init()
16     {
17         action = async (e) =>
18         {
19             while (true)
20             {
21                 DoWork(e);
22                 await Task.Delay(TimeSpan.FromSeconds(10));
23             }                
24         };
25     }
26     /// <summary>
27     /// 执行方法
28     /// </summary>
29     /// <param name="stoppingToken"></param>
30     /// <returns></returns>
31     protected override Task ExecuteAsync(CancellationToken stoppingToken)
32     {
33         Init();
34         _ = Task.Factory.StartNew(action, cancellationTokenSource.Token);
35         return Task.CompletedTask;
36     }
37     /// <summary>
38     /// 停止执行方法
39     /// </summary>
40     /// <param name="cancellationToken"></param>
41     /// <returns></returns>
42     public override Task StopAsync(CancellationToken cancellationToken)
43     {
44         cancellationTokenSource.Cancel();
45         return base.StopAsync(cancellationToken);
46     }
47 
48     protected abstract void DoWork(object e);
49 
50 }

public partial class SyncWorker : BackGroundWork
{
    protected override void DoWork(object e)
    {
       var service = ServiceLocator.Instance.GetRequiredService<SyncService>();
        Task.WaitAll(service.ExecServiceAsync());
    }
}

C# BackgroundService服务案例

可以使用三方库，hangfire， topshelf, Quartz. and so on.