Task使用

Task使用实例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace TaskTest
{
    class Program
    {
        static void Main（string[] args）
        {
            #region Task的状态
            //var task1 = new Task（（） =>
            //{
            //    Console.WriteLine（“Begin“）;
            //    System.Threading.Thread.Sleep（2000）;
            //    Console.WriteLine（“Finish“）;
            //}）;
            //Console.WriteLine（“Before start:“ + task1.Status）;
            //task1.Start（）;
            //Console.WriteLine（“After start:“ + task1.Status）;
            //task1.Wait（）;
            //Console.WriteLine（“After Finish:“ + task1.Status）;

            //Console.Read（）;
            #endregion

            #region 多任务执行
            //var task1 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 1 Begin“）;
            //    System.Threading.Thread.Sleep（2000）;
            //    Console.WriteLine（“Task 1 Finish“）;
            //}）;
            //var task2 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 2 Begin“）;
            //    System.Threading.Thread.Sleep（3000）;
            //    Console.WriteLine（“Task 2 Finish“）;
            //}）;

            //task1.Start（）;
            //task2.Start（）;
            //Task.WaitAll（task1 task2）;
            //Console.WriteLine（“All task finished!“）;

            //Console.Read（）;
            #endregion

            #region 等待任一个任务执行完毕
            //var task1 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 1 Begin“）;
            //    System.Threading.Thread.Sleep（2000）;
            //    Console.WriteLine（“Task 1 Finish“）;
            //}）;
            //var task2 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 2 Begin“）;
            //    System.Threading.Thread.Sleep（3000）;
            //    Console.WriteLine（“Task 2 Finish“）;
            //}）;

            //task1.Start（）;
            //task2.Start（）;
            //Task.WaitAny（task1 task2）;
            //Console.WriteLine（“All task finished!“）;

            //Console.Read（）;
            #endregion

            #region 一个Task执行完成之后执行另一个Task
            //var task1 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 1 Begin“）;
            //    System.Threading.Thread.Sleep（2000）;
            //    Console.WriteLine（“Task 1 Finish“）;
            //}）;
            //var task2 = new Task（（） =>
            //{
            //    Console.WriteLine（“Task 2 Begin“）;
            //    System.Threading.Thread.Sleep（3000）;
            //    Console.WriteLine（“Task 2 Finish“）;
            //}）;

            //task1.Start（）;
            //task2.Start（）;
            //var result = task1.ContinueWith（task =>
            //{
            //    Console.WriteLine

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-07-22 17:31  TaskTest\
     目录           0  2020-07-22 17:07  TaskTest\.vs\
     目录           0  2020-07-22 17:07  TaskTest\.vs\TaskTest\
     目录           0  2020-07-22 17:07  TaskTest\.vs\TaskTest\v16\
     文件       20992  2020-07-22 17:33  TaskTest\.vs\TaskTest\v16\.suo
     文件        5111  2020-07-22 17:31  TaskTest\Program.cs
     目录           0  2020-07-22 17:06  TaskTest\Properties\
     文件        1308  2020-07-22 17:06  TaskTest\Properties\AssemblyInfo.cs
     文件        2182  2020-07-22 17:06  TaskTest\TaskTest.csproj
     文件        1121  2020-07-22 17:07  TaskTest\TaskTest.sln
     目录           0  2020-07-22 17:06  TaskTest\bin\
     目录           0  2020-07-22 17:08  TaskTest\bin\Debug\
     文件        5632  2020-07-22 17:31  TaskTest\bin\Debug\TaskTest.exe
     文件       22016  2020-07-22 17:31  TaskTest\bin\Debug\TaskTest.pdb
     目录           0  2020-07-22 17:06  TaskTest\obj\
     目录           0  2020-07-22 17:31  TaskTest\obj\Debug\
     文件         208  2020-07-22 17:06  TaskTest\obj\Debug\.NETframeworkVersion=v4.0.AssemblyAttributes.cs
     文件        6449  2020-07-22 17:06  TaskTest\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件          42  2020-07-22 17:07  TaskTest\obj\Debug\TaskTest.csproj.CoreCompileInputs.cache
     文件         443  2020-07-22 17:08  TaskTest\obj\Debug\TaskTest.csproj.FileListAbsolute.txt
     文件         424  2020-07-22 17:31  TaskTest\obj\Debug\TaskTest.csprojAssemblyReference.cache
     文件        5632  2020-07-22 17:31  TaskTest\obj\Debug\TaskTest.exe
     文件       22016  2020-07-22 17:31  TaskTest\obj\Debug\TaskTest.pdb
     目录           0  2020-09-21 12:06  TaskTest\obj\Debug\TempPE\