深邃的夜空

摘要： using System.Timers; static void Main(string[] args) { ThreadingTimer(); DateTime a = DateTime.Now; Thread.Sleep(1000); DateTime b = DateTime.Now; TimeSpan test = b - a; Console.ReadKey(); } static voi... 阅读全文

摘要： 下面是C#计算方法： class Program { const double EARTH_RADIUS = 6378.137; static void Main(string[] args) { double test = GetDistance(119.460594, 32.210855, 119.460594 + 0.011657, 32.210855 + 0.0042); Console.ReadKey(); } static... 阅读全文