计算方法执行完的耗时 c#

  Stopwatch watch = Stopwatch.StartNew();

//要执行的方法

test();

watch.Stop();

Console.WriteLine(string.Format("耗时:{0}", formatDuring(watch.ElapsedMilliseconds)));

Console.ReadKey();

//毫秒转成天小时分钟

public static String formatDuring(long mss)

{

long days = mss / (1000 * 60 * 60 * 24);

long hours = (mss % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);

long minutes = (mss % (1000 * 60 * 60)) / (1000 * 60);

long seconds = (mss % (1000 * 60)) / 1000;

long ms = 0;

if (seconds == 0)

{

ms = mss;

}

return days + "天" + hours + "小时" + minutes + "分钟" + seconds + "秒" + ms + "毫秒";

}