代码：
#region Task 异步多线程，Task是基于ThreadPool实现的{//TestClass testClass = new TestClass();//Action<object> action = new Action<object>(t => testClass.TestThread(t.ToString()));//TaskFactory taskFactory = new TaskFactory();//List<Task> taskList = new List<Task>();//for (int i = 0; i < 5; i++)//{// Task task = taskFactory.StartNew(action, "task" + i);// taskList.Add(task);//}//同步等待////1.1所在线程等待，目前在主线程，等待某一个Task执行完毕，只要有一个完成，就继续往下执行。会卡住主线程。//Task.WaitAny(taskList.ToArray());//Console.WriteLine("某一个Task执行完毕");////1.2所在线程等待，目前在主线程，直到所有Task执行完毕；会卡住主线程。//Task.WaitAll(taskList.ToArray());//Console.WriteLine("所有Task执行完毕");////2.1回调等待////不卡主线程，所有Task完成，才执行下面的操作//taskFactory.ContinueWhenAll(taskList.ToArray(), taskArray =>//{// Console.WriteLine("taskFactory.ContinueWhenAll {0}", Thread.CurrentThread.ManagedThreadId);// foreach (var item in taskArray)// {// Console.WriteLine(item.AsyncState);// Console.WriteLine(item.IsCompleted);// }//});////2.2回调等待////不卡主线程，有一个Task完成，就执行下面的操作//taskFactory.ContinueWhenAny(taskList.ToArray(), taskAction =>//{// Console.WriteLine("taskFactory.ContinueWhenAny {0}", Thread.CurrentThread.ManagedThreadId);// Console.WriteLine(taskAction.AsyncState);// Console.WriteLine(taskAction.IsCompleted);//}); }#endregion#region Parallel 基于Task实现，多个任务并行计算，主线程也会计算，其实就是Task+WaitAll，一定会卡住主线程{//Console.WriteLine("主线程的ID：{0}", Thread.CurrentThread.ManagedThreadId);//Parallel.Invoke(() => { Console.WriteLine("当前线程的ID：{0}", Thread.CurrentThread.ManagedThreadId); },// () => { Console.WriteLine("当前线程的ID：{0}", Thread.CurrentThread.ManagedThreadId); },// () => { Console.WriteLine("当前线程的ID：{0}", Thread.CurrentThread.ManagedThreadId); },// () => { Console.WriteLine("当前线程的ID：{0}", Thread.CurrentThread.ManagedThreadId); },// () => { Console.WriteLine("当前线程的ID：{0}", Thread.CurrentThread.ManagedThreadId); });////全部完成后，进入下一步，看上去就像同步编程//Parallel.ForEach<int>(new int[] { 1, 2, 3, 4, 5 }, t =>//{// Console.WriteLine("当前线程ID：{0}，结果：{1}", Thread.CurrentThread.ManagedThreadId, t * t);// Thread.Sleep(100);//});//ParallelOptions options = new ParallelOptions(){MaxDegreeOfParallelism = 5};Parallel.For(0, 1000, options, t => { Console.WriteLine("结果：" + t.ToString()); });Parallel.For(0, 1000, options, (t, state) => {Console.WriteLine("结果：" + t.ToString());//state.Break();////state.Stop();////return;});}#endregion
