c#task list waitall task waitany

上边的主线程会被卡住:

 7个同时开发,谁先完成之后, 需要完成某个工作,可以用waitany

2: 不卡界面的做法

加上以上命令就不卡,是子线程做的事

   //Task task = taskFactory.StartNew(action);
            Console.WriteLine("Eleven老师接到一个项目");
            Console.WriteLine("沟通需求,谈妥价格");
            Console.WriteLine("签合同,收取50%的费用");
            Console.WriteLine("高级班筛选学员,组建团队");
            Console.WriteLine("详细的需求分析、系统设计、模块划分、框架搭建");
            Console.WriteLine("开始干活。。。");
            Console.WriteLine(" ");

            List<Task> taskList = new List<Task>();

            taskList.Add(taskFactory.StartNew(() => this.Coding("浑无痕", "Portal")));
            taskList.Add(taskFactory.StartNew(() => this.Coding(" 菜鸟 ", "BackService")));
            taskList.Add(taskFactory.StartNew(() => this.Coding("oldwork", "Client")));
            taskList.Add(taskFactory.StartNew(() => this.Coding("", "WeChatClient")));
            taskList.Add(taskFactory.StartNew(() => this.Coding("走自己的路", "  WCF  ")));
            taskList.Add(taskFactory.StartNew(() => this.Coding("滑猪小板", "  DB  ")));
            taskList.Add(taskFactory.StartNew(() => this.Coding("Walden", "小程序")));

            //都开发完成后,进行联调测试  不是我做的,是开发者

            taskFactory.ContinueWhenAny(taskList.ToArray(),
                t => Console.WriteLine("第一个完成的,获取红包奖励,{0}", Thread.CurrentThread.ManagedThreadId));

            taskFactory.ContinueWhenAll(taskList.ToArray(),
                tList => Console.WriteLine("都开发完成后,开始联调测试,{0}", Thread.CurrentThread.ManagedThreadId));

            Task.WaitAny(taskList.ToArray());//等待任意一个任务的完成,会卡主当前的运行线程
            Console.WriteLine("某个模块完成开发后,老师再收取20%的费用");

            Task.WaitAll(taskList.ToArray());//等待全部任务的完成,会卡主当前的运行线程


            Console.WriteLine("项目开发验收完成后,老师去收取全部的费用");
            Console.WriteLine("老师给大家分钱。。。");


            Console.WriteLine("******************btnTask_Click 异步方法 end   {0}********************", Thread.CurrentThread.ManagedThreadId);
            Console.WriteLine();
        }

        /// <summary>
        /// Coding
        /// </summary>
        /// <param name="name"></param>
        private void Coding(string name, string project)
        {
            Console.WriteLine("******************Coding start {0} {1} {2} {3}********************",
                name, project, Thread.CurrentThread.ManagedThreadId.ToString("00"), DateTime.Now.ToString("HHmmss:fff"));

            long lResult = 0;
            for (int i = 0; i < 100000000; i++)
            {
                lResult += i;
            }
            Thread.Sleep(2000);

            Console.WriteLine("******************Coding   end {0} {1} {2} {3}********************",
                name, project, Thread.CurrentThread.ManagedThreadId.ToString("00"), DateTime.Now.ToString("HHmmss:fff"));
        }
原文地址:https://www.cnblogs.com/zuochanzi/p/7519451.html