asp.net core 2.0 后台定时自动执行任务

自己写一个类继承BackgroundService

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internal class RefreshService : BackgroundService {     protected override async Task ExecuteAsync(CancellationToken stoppingToken)     {         while (!stoppingToken.IsCancellationRequested)         {               //需要执行的任务               await Task.Delay(60000, stoppingToken);//等待60秒         }     } }

　　

Startup.cs中注入

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public void ConfigureServices(IServiceCollection services) {     services.AddSingleton<Microsoft.Extensions.Hosting.IHostedService, RefreshService>(); }