Quartz服务的重启

    public class Httpjob : IJob {
        public async Task Execute(IJobExecutionContext context) {
            DateTime SDate = DateTime.Now;
            JobDataMap data = context.JobDetail.JobDataMap;

            string url = data.GetString("url");
            string appid = data.GetString("appid");
            string token = data.GetString("token");
            string jobid = data.GetString("jobid");

            DateTimeOffset dtf = (DateTimeOffset)context.NextFireTimeUtc;
            try {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine($"appid:{appid},token:{token},jobid:{jobid},{DateTime.Now}");
            }
            catch(Exception e) {
                throw new Exception(e.Message);
            }
        }
    }

    public static class DemoSchedule {
        static ISchedulerFactory factory;
        static IScheduler scheduler;

        static DemoSchedule() {
            factory = new StdSchedulerFactory();
        }
        public static async void start(List<JobList> jobLists) {
            scheduler = await factory.GetScheduler();
            await scheduler.Start();
            foreach (var item in jobLists) {
                IJobDetail job = JobBuilder.Create<Httpjob>()
                    .WithIdentity(item.jobid, item.jobgroup)
                    .UsingJobData("url", item.url)
                    .UsingJobData("appid", item.appid)
                    .UsingJobData("token", item.token)
                    .UsingJobData("jobid", item.jobid)
                    .Build();

                //NextGivenSecondDate：如果第一个参数为null则表名当前时间往后推迟2秒的时间点。
                DateTimeOffset startTime = DateBuilder.NextGivenSecondDate(DateTime.Now.AddSeconds(1), 5);

                ITrigger trigger = TriggerBuilder.Create()
                  .WithIdentity(item.jobname, item.jobgroup)
                  .StartAt(startTime)
                  .WithCronSchedule(item.cron)
                     .Build();
                await scheduler.ScheduleJob(job, trigger);
            }

        }

        public static async void Restart(List<JobList> jobLists) {
            scheduler = await factory.GetScheduler();

            foreach (var item in jobLists) {
                TriggerKey triggerKey = new TriggerKey(item.jobname, item.jobgroup);
                if (!(await scheduler.GetTrigger(triggerKey) is ICronTrigger trigger)) {
                    IJobDetail job = JobBuilder.Create<Httpjob>()
    .WithIdentity(item.jobid, item.jobgroup)
    .UsingJobData("url", item.url)
    .UsingJobData("appid", item.appid)
    .UsingJobData("token", item.token)
    .UsingJobData("jobid", item.jobid)
    .Build();

                    //NextGivenSecondDate：如果第一个参数为null则表名当前时间往后推迟2秒的时间点。
                    DateTimeOffset startTime = DateBuilder.NextGivenSecondDate(DateTime.Now.AddSeconds(1), 5);

                    ITrigger triggerNew = TriggerBuilder.Create()
                      .WithIdentity(item.jobname, item.jobgroup)
                      .StartAt(startTime)
                      .WithCronSchedule(item.cron)
                         .Build();
                    await scheduler.ScheduleJob(job, triggerNew);
                    return;
                }

                string oldCron = trigger.CronExpressionString;
                if (!oldCron.Equals(item.cron, StringComparison.OrdinalIgnoreCase)) {
                    var newTrigger = TriggerBuilder.Create()
                        .WithIdentity(item.jobname, item.jobgroup)
                        .WithCronSchedule(item.cron)
                        .Build() as ICronTrigger;
                    await scheduler.RescheduleJob(triggerKey, newTrigger);
                }
                //else {
                //    IJobDetail job = JobBuilder.Create<Httpjob>()
                //        .WithIdentity(item.jobid, item.jobgroup)
                //        .UsingJobData("url", item.url)
                //        .UsingJobData("appid", item.appid)
                //        .UsingJobData("token", item.token)
                //        .UsingJobData("jobid", item.jobid)
                //        .Build();

                //    //NextGivenSecondDate：如果第一个参数为null则表名当前时间往后推迟2秒的时间点。
                //    DateTimeOffset startTime = DateBuilder.NextGivenSecondDate(DateTime.Now.AddSeconds(1), 5);

                //    ITrigger triggerNew = TriggerBuilder.Create()
                //      .WithIdentity(item.jobname, item.jobgroup)
                //      .StartAt(startTime)
                //      .WithCronSchedule(item.cron)
                //         .Build();
                //    await scheduler.ScheduleJob(job, triggerNew);
                //}


            }

        }
    }

        static void Main(string[] args) {
            List<JobList> jobLists = new List<JobList>() {
                new JobList(){jobid="001",appid="A",token="test1",jobgroup="1",jobname="job_A",cron="0/5 * * * * ? *"},
                //new JobList(){jobid="002",appid="B",token="test2",jobgroup="2",jobname="job_B",cron="0/5 * * * * ? *"},
                //new JobList(){jobid="003",appid="C",token="test3",jobgroup="3",jobname="job_C",cron="0/5 * * * * ? *"}
            };

            DemoSchedule.start(jobLists);
            var str = Console.ReadLine();
            if (str == "test") {
                Console.WriteLine("**************");
                List<JobList> list = new List<JobList>() {
                new JobList(){jobid="001",appid="A",token="test1",jobgroup="1",jobname="job_A",cron="0/10 * * * * ? *"},
                new JobList(){jobid="002",appid="B",token="test2",jobgroup="2",jobname="job_B",cron="0/5 * * * * ? *"}
                //new JobList(){jobid="003",appid="C",token="test3",jobgroup="3",jobname="job_C",cron="0/5 * * * * ? *"}
            };
                DemoSchedule.Restart(list);
                Console.ReadKey();
            }
            Console.ReadKey();
        }
    }