/// <summary>
        /// 两个线程交替打印0~100的奇偶数
        /// </summary>
        public static void PrintOddEvenNumber()
        {
            var work    = new TheadWorkTest();
            var thread1 = new Thread(work.PrintOddNumer)
            {
                Name = "奇数线程"
            };
            var thread2 = new Thread(work.PrintEvenNumber)
            {
                Name = "偶数线程"
            };

            thread1.Start();
            thread2.Start();
        }
        /// <summary>
        /// N个线程顺序循环打印从0至100
        /// </summary>
        /// <param name="n"></param>
        public static void PrintNumber(int n = 3)
        {
            var work = new TheadWorkTest {
                Semaphores = new Semaphore[n]
            };

            for (var i = 0; i < n; i++)
            {
                work.Semaphores[i] = new Semaphore(1, 1);
                if (i != n - 1)
                {
                    work.Semaphores[i].WaitOne();
                }
            }
            for (var i = 0; i < n; i++)
            {
                new Thread(work.PrintNumber)
                {
                    Name = "线程" + i
                }.Start(i);
            }
        }