我心中的核心组件（可插拔的AOP）~调度组件quartz.net续~任务管理器的开发

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对于任务调度来说，越来越多的团队选择了quartz，它在java和.net环境下表现都十分优秀，配置简单，功能强大，时间表达式配置灵活，但在使用时，还是感觉缺点什么，怎么说，你在服务器上安装了一个任务，然后然它们去运行，我们在客户端或者一个web网站里，如果对服务端的任务进行管理呢，这是一个大难题，而今天我要写的就是如何去实现这样一个任务管理器！

小知识

quartz为我们提供了远程模式，即可以监听一个端口，用来等待客户端去调用，呵呵

CrystalQuartz用来创建远程链接对象

  private static RemoteSchedulerProvider remoteSchedulerProvider = new CrystalQuartz.Core.SchedulerProviders.RemoteSchedulerProvider();
  remoteSchedulerProvider.SchedulerHost = System.Configuration.ConfigurationManager.AppSettings["SchedulerHost"];

效果预览

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说做就做

        /// <summary>
        /// 恢复开始任务
        /// </summary>
        /// <param name="jobName"></param>
        /// <param name="group"></param>
        /// <returns></returns>
        public ActionResult Start(string jobName, string group)
        {
            remoteSchedulerProvider.Scheduler.ResumeJob(new JobKey(jobName, group));
            return RedirectToAction("Index");
        }
        /// <summary>
        /// 暂停任务
        /// </summary>
        /// <param name="jobName"></param>
        /// <param name="group"></param>
        /// <returns></returns>
        public ActionResult Stop(string jobName, string group)
        {
            remoteSchedulerProvider.Scheduler.PauseJob(new JobKey(jobName, group));
            return RedirectToAction("Index");
        }

上面代码可以实现界面中的“开始”和暂停“两个功能，主要是对trigger进行控制的，值得注意的是，如果你修改的时间表达式，需要从新启动服务才会生效！

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