C# Stopwatch的用法

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Stopwatch函数,猜测可能是用来计算一个函数的运行所需时间的.代码如下:

        Stopwatch wat = new Stopwatch();
        wat.Start();

        for (int i = 1; i < 100000; i++)
        {
            res1 = str.isNumberic1();
        }
        wat.Stop();
        Console.WriteLine("isDigit      {0}:{1},{2}", str, wat.ElapsedMilliseconds, res1);

        wat.Reset();
        wat.Start();
        for (int i = 1; i < 100000; i++)
        {
            res2= str.isNumberic2();
        }
        wat.Stop();
        Console.WriteLine("isNumberic   {0}:{1},{2}", str, wat.ElapsedMilliseconds, res2);

wat.ElapsedMilliseconds返回值就是在wat.Start()和wat.Stop()之间函数运行的时间