using Quartz;

 using Quartz.Impl;

 using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 namespace Test

 {

     public class SchedulerHelper

     {

         /// <summary>

         /// 任务调度器实例

         /// </summary>

         public static IScheduler scheduler { get; }

         static SchedulerHelper()

         {

             //实例化任务调度器对象

             scheduler = StdSchedulerFactory.GetDefaultScheduler();

         }

         /// <summary>

         /// 添加任务

         /// </summary>

         /// <typeparam name="T">IJob类型</typeparam>

         /// <param name="jobIdentity">job唯一标识</param>

         /// <param name="triggerIdentity">trigger唯一标识</param>

         /// <param name="cronExpression">cron表达式</param>

         /// <param name="jobGroup">任务所属分组[可选]</param>

         /// <param name="triggerGroup">触发器所属分组[可选]</param>

         public static void AddScheduleJob<T>(string jobIdentity, string triggerIdentity, string cronExpression, string jobGroup = "", string triggerGroup = "")

             where T : IJob

         {

             var jobBuilder = JobBuilder.Create<T>();

             if (string.IsNullOrEmpty(jobGroup))

                 jobBuilder.WithIdentity(jobIdentity);

             else

                 jobBuilder.WithIdentity(jobIdentity, jobGroup);

             var currentJob = jobBuilder.Build();

             var triggerBuilder = TriggerBuilder.Create();

             if (string.IsNullOrEmpty(triggerGroup))

                 triggerBuilder.WithIdentity(triggerIdentity);

             else

                 triggerBuilder.WithIdentity(triggerIdentity, triggerGroup);

             var currentTrigger = triggerBuilder

                                 .StartNow()

                                 .WithCronSchedule(cronExpression)

                                 .Build();

             //把作业，触发器加入调度器。

             scheduler.ScheduleJob(currentJob, currentTrigger);

         }

         public static void Start()

         {

             if (scheduler == null)

                 throw new ArgumentNullException("scheduler", "任务调度器实例对象不能为null");

             if (!scheduler.IsStarted)

                 scheduler.Start();

         }

         public static void ShutDown()

         {

             if (scheduler == null)

                 throw new ArgumentNullException("scheduler", "任务调度器实例对象不能为null");

             if (!scheduler.IsShutdown)

                 scheduler.Shutdown();

         }

     }

 }

using NLog;

using Quartz;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Test

{

    public class WriteLogJob : IJob

    {

        ILogger log = LogManager.GetLogger("admin");

        public void Execute(IJobExecutionContext context)

        {

            try

            {

                log.Error(string.Format("当前时间为：{0}", DateTime.Now));

            }

            catch (Exception x) { }

        }

    }

}

 using System;

 using System.Collections.Generic;

 using System.Configuration;

 using System.Linq;

 using System.Text;

 namespace Test

 {

     class Program

     {

         static void Main(string[] args)

         {

             SchedulerHelper.AddScheduleJob<WriteLogJob>("WriteLogJob", "WriteLogTrigger", "0/5 * * * * ?");

             SchedulerHelper.Start();

             Console.ReadLine();

         }

     }

 }

// 0/5 * * * * ?            每5秒钟执行一次

// 0 0/5 * * * ?            每5分钟执行一次

// 10 0/5 * * * ?           每5分钟，在第10秒钟执行一次

// 0 30 10-13 ? * WED,FRI   每周的周三、周五，时针为10-13，分钟刻度为30的时候执行一次

// 0 0/30 8-9 5,20 * ?      每个月的第5、第20天，时针为8到9，分钟刻度为从0开始，每过30分钟执行一次