MdConsole/Program.cs

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using System;
using System.Diagnostics;

namespace MdConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            Start();
        }

       static int[] step = { 10000, 20000, 30000, 40000 };//毫秒

        public static void Start()
        {
            Stopwatch stopwatch = new Stopwatch();
            for (int i = 0; i < step.Length; i++)
            {
                stopwatch.Start();//开始计时
                Console.WriteLine($"第{i+1}次计时");
                Console.WriteLine($"当前stopWatch状态：{stopwatch.IsRunning}");
                System.Threading.Thread.Sleep(step[i]);//耗时操作
                stopwatch.Stop();//停止计时
                Console.WriteLine("停止计时");
                Console.WriteLine($"当前stopWatch状态：{stopwatch.IsRunning}");
                Console.WriteLine($"时间差：{stopwatch.Elapsed.ToString()}");
                Console.WriteLine($"毫秒数：{stopwatch.ElapsedMilliseconds}");
                Console.WriteLine("========================================");
                stopwatch.Reset();
            }
            Console.ReadLine();
        }
    }
}