.net下定时任务 Quartz.Net 使用 cron表达式

Nuget引用 Quartz

using Quartz;
using Quartz.Impl;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            ISchedulerFactory sf = new StdSchedulerFactory();
            IScheduler scheduler = sf.GetScheduler().ConfigureAwait(false).GetAwaiter().GetResult();

            IJobDetail job = JobBuilder.Create<TimingJob>().WithIdentity("job1", "mygroup").Build();

            var cronExpression = "/2 * * ? * *";
            ITrigger trigger = TriggerBuilder.Create().StartAt(DateTime.Now.AddSeconds(5)).WithCronSchedule(cronExpression).Build();

            scheduler.ScheduleJob(job, trigger);
            scheduler.Start();

            Thread.Sleep(10000000);
        }
    }

    /// <summary>
    /// 定时任务类
    /// </summary>
    public class TimingJob : IJob
    {

        Task IJob.Execute(IJobExecutionContext context)
        {
            return Task.Run(() => {
                Console.WriteLine("TimingJob run");
            });
        }
    }
}