在 C# 中安排任务的最佳方法
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Best way to schedule tasks in C#
提问by Whiteknight
I'm developing a C# program that needs to be able to schedule a variety of asynchronous tasks at different times. I need a solution that activates every second to check for tasks to execute, and eats up as few resources as possible. It also needs to scale well to a large number of tasks. Which of these is better to use, or is there any ?
我正在开发一个 C# 程序，它需要能够在不同时间安排各种异步任务。我需要一个解决方案，每秒激活一次以检查要执行的任务，并尽可能少地消耗资源。它还需要很好地扩展到大量任务。其中哪一个更好用，或者有没有？
1) Using a System.Timers.Timer object with a 1 second elapsed time to trigger an event that executes tasks, or
1) 使用具有 1 秒经过时间的 System.Timers.Timer 对象来触发执行任务的事件，或
2) Using a separate thread that sleeps for 1 second and then executes tasks when it wakes up, or
2) 使用一个单独的线程，它会休眠 1 秒，然后在它醒来时执行任务，或者
3) Something else entirely.
3）完全不同的东西。
采纳答案by Michael Haren
System.Threading.Timeris extremely lightweight. You could create a separate timer for each task so that the timer comes due when the task is supposed to execute.
System.Threading.Timer非常轻巧。您可以为每个任务创建一个单独的计时器，以便在任务应该执行时计时器到期。
Internally, I believe that the system will keep track of what timer is due next so it only has to monitor one timer at any given time (source/similar question).
在内部，我相信系统会跟踪下一个到期的计时器，因此它只需要在任何给定时间监视一个计时器（来源/类似问题）。
回答by ZombieSheep
Try looking at Quartz.Netfor your scheduling needs. I think it's pretty good.
尝试查看Quartz.Net以满足您的调度需求。我觉得还不错。
