C#测试代码效率的方法using System; using System.Threading; class Dachie { [System.Runtime.InteropServices.DllImport("Kernel32.dll")] static extern bool QueryPerformanceCounter(ref long count); [System.Runtime.InteropServices.DllImport("Kernel32.dll")] static extern bool QueryPerformanceFrequency(ref long count); [STAThread] static void Main(string[] args) { long count = 0; long count1 = 0; long freq = 0; double result = 0; QueryPerformanceFrequency(ref freq); QueryPerformanceCounter(ref count); #region 放入逻辑代码 #endregion QueryPerformanceCounter(ref count1); count = count1 - count; result = (double)(count) / (double)freq; Console.WriteLine("耗时: {0} 秒", result); Console.ReadLine(); } }