namespace JobLibrary
{// quartz.net 禁止并发执行DisallowConcurrentExecution是禁止相同JobDetail同时执行，而不是禁止多个不同JobDetail同时执行。建议加上该特性，防止由于任务执行时间太长，长时间占用资源，导致其它任务堵塞。
    [DisallowConcurrentExecution]public class UpdateCompleteJob : IJob{TRA_BargainOrder_Test ExpressModel;/// <summary>///在Job 中我们必须实现IJob接口中的Execute 这个方法，才能正确的使用Job/// </summary>public async Task Execute(IJobExecutionContext context){using (var _DbContext = new DefaultDbContext()){//var tarorder = new TRA_BargainOrder_Test()//{//    BargainOrderCode="12345688899",//    OrderStatus=1//};//_DbContext.TRA_BargainOrders.Add(tarorder);////保存记录，返回受影响的行数//int record = _DbContext.SaveChanges();//Console.WriteLine("添加{0}记录成功", record);var query = _DbContext.TRA_BargainOrders.Where(c => c.OrderStatus == (int)EnumHelper.OrderStatus.Sended);//var query = _DbContext.TRA_BargainOrders.Where(c => c.OrderStatus == (int)EnumHelper.OrderStatus.Sended//                                && c.PayStatus == (int)EnumHelper.PayStatus.Paid).OrderBy(c => c.CreateTime).ToList().Take(20);foreach (var item in query){if (!string.IsNullOrEmpty(item.ExpressCode)){//根据快递单号获取快递订单信息try{ExpressModel = await _DbContext.TRA_BargainOrders.SingleOrDefaultAsync(s => s.ExpressCode == item.ExpressCode);}catch (Exception e){new Exception(e.Message);}//确定 已签收  修改订单状态 已完成if (ExpressModel.OrderStatus ==1&& ExpressModel.ischeck == 1){var order = _DbContext.TRA_BargainOrders.FirstOrDefault(c => c.BargainOrderCode == item.BargainOrderCode);// var order = _DbContext.Set<TRA_BargainOrder_Test>().FirstOrDefault(c => c.BargainOrderCode == item.BargainOrderCode);order.OrderStatus = (int)EnumHelper.OrderStatus.Over;order.FlowStatus = (int)EnumHelper.FlowStatus.Over;order.UpdateTime = DateTime.Now;_DbContext.TRA_BargainOrders.Attach(order);_DbContext.Entry(order).State = EntityState.Modified;_DbContext.TRA_BargainOrders.AddOrUpdate(order);}}}//保存数据库不能放到循环中操作 try{_DbContext.SaveChanges();}catch (Exception E){ throw new Exception(E.Message); }}}}
}

namespace JobLibrary
{//在Quartz.Net中，一个job(作业)即为一个类，为了让job能在Quartz.Net的体系中执行，我们必须实现Quartz.Net提供的IJob接口的Execute方法，如本例所实现的IJob接口UpdateAutoCancelStateJob类：
    [DisallowConcurrentExecution]public class UpdateAutoCancelStateJob : IJob{public async Task Execute(IJobExecutionContext context){using (var _DbContext = new DefaultDbContext()){var order = await _DbContext.TRA_BargainOrders.FirstOrDefaultAsync(c => c.OrderStatus == (int)EnumHelper.OrderStatus.UnSend && c.PayStatus == (int)EnumHelper.PayStatus.UnPaid);if (order!=null){if (DateDiff(DateTime.Now, order.CreateTime) > 30){order.OrderStatus = (int)EnumHelper.OrderStatus.Cancel;order.FlowStatus = (int)EnumHelper.FlowStatus.Cancel;order.UpdateTime = DateTime.Now;_DbContext.SaveChanges();}}}}//计算时间差的方法private int DateDiff(DateTime DateTime1, DateTime DateTime2){TimeSpan tss = Convert.ToDateTime(DateTime1) - Convert.ToDateTime(DateTime2);int dateDiff = Convert.ToInt32(tss.TotalMinutes);return dateDiff;}}
}

 public class JobManage{private static ISchedulerFactory sf = new StdSchedulerFactory();//调度器private static IScheduler scheduler;/// <summary>/// 读取调度器配置文件的开始时间/// </summary>//public static void StartScheduleFromConfig()public static async void StartScheduleFromConfigAsync(){string currentDir = AppDomain.CurrentDomain.BaseDirectory;try{XDocument xDoc = XDocument.Load(Path.Combine(currentDir, "JobScheduler.config"));var jobScheduler = from x in xDoc.Descendants("JobScheduler") select x;var jobs = jobScheduler.Elements("Job");XElement jobDetailXElement, triggerXElement;//获取调度器scheduler = await sf.GetScheduler();//声明触发器
                CronTriggerImpl cronTrigger;foreach (var job in jobs){//加载程序集joblibaray  Assembly ass = Assembly.LoadFrom(Path.Combine(currentDir, job.Element("DllName").Value));//获取任务名字jobDetailXElement = job.Element("JobDetail");//获取任务触发的时间triggerXElement = job.Element("Trigger");JobDetailImpl jobDetail = new JobDetailImpl(jobDetailXElement.Attribute("job").Value,jobDetailXElement.Attribute("group").Value,ass.GetType(jobDetailXElement.Attribute("jobtype").Value));if (triggerXElement.Attribute("type").Value.Equals("CronTrigger")){cronTrigger = new CronTriggerImpl(triggerXElement.Attribute("name").Value,triggerXElement.Attribute("group").Value,triggerXElement.Attribute("expression").Value);//添加定时器await scheduler.ScheduleJob(jobDetail, cronTrigger);}}//开始执行定时器await scheduler.Start();}catch (Exception E){throw new Exception(E.Message);}}/// <summary>/// 关闭定时器/// </summary>public static void ShutDown(){if (scheduler != null && !scheduler.IsShutdown){scheduler.Shutdown();}}/// <summary>/// 从Scheduler 移除当前的Job,修改Trigger   /// </summary>/// <param name="jobExecution"></param>/// <param name="time"></param>public static void ModifyJobTime(IJobExecutionContext jobExecution, String time){scheduler = jobExecution.Scheduler;ITrigger trigger = jobExecution.Trigger;IJobDetail jobDetail = jobExecution.JobDetail;if (trigger != null){CronTriggerImpl ct = (CronTriggerImpl)trigger;// 移除当前进程的Job
                scheduler.DeleteJob(jobDetail.Key);// 修改Trigger     ct.CronExpressionString = time;Console.WriteLine("CronTrigger getName " + ct.JobName);// 重新调度jobDetail
                scheduler.ScheduleJob(jobDetail, ct);}}}

<?xml version="1.0" encoding="utf-8"?>
<configuration><!--配置文件，主要是控制任务执行的时间和Job 的加载   配置中重要的几个属性 <DllName>JobLibrary.dll</DllName> dll的名字 ；jobtype 属性是dll名字+实例类的名字；expression 这个是设置执行的时间--><JobScheduler><Job Description="作业1"><DllName>JobLibrary.dll</DllName><JobDetail job="test1" group="test1Group" jobtype="JobLibrary.UpdateCompleteJob" /><Trigger name="test1" group="test1Group" type="CronTrigger" expression="0 0/50 * * * ?" />  <!--0 0/10 * * * ? 10分钟--> </Job><Job Description="作业2"><DllName>JobLibrary.dll</DllName><JobDetail job="test2" group="test2Group" jobtype="JobLibrary.UpdateAutoCancelStateJob" /><Trigger name="test2" group="test2Group" type="CronTrigger" expression="0/10 * * * * ?" /> <!--0/10 * * * * ? 10秒-->  <!-- 每天凌晨1点执行一次：0 0 1 * * ? -->  <!--每天凌晨1点30分执行一次：0 30 1 * * ?--> <!--每天的0点、13点、18点、21点都执行一次：0 0 0,13,18,21 * * ?  --><!-- "0 0/5 14,18 * * ?"    每天14点或18点中，每5分钟触发--></Job></JobScheduler><system.web><compilation debug="true" targetFramework="4.6.1" /><httpRuntime targetFramework="4.6.1" /></system.web></configuration>

 //需要将scheduler 调度器注册到程序中；在程序中Global.asax.cs 中文件中添加注册，在这里启动执行任务。protected void Application_Start(){AreaRegistration.RegisterAllAreas();FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);RouteConfig.RegisterRoutes(RouteTable.Routes);BundleConfig.RegisterBundles(BundleTable.Bundles);//执行的任务
            JobManage.StartScheduleFromConfigAsync();}//当网站关闭时结束正在执行的工作protected void Application_End(object sender, EventArgs e){//   在应用程序关闭时运行的代码
            JobManage.ShutDown();}