using System;using System.Net;class App{ static long ToInt(string addr) { return (long) (uint) IPAddress.NetworkToHostOrder( (int) IPAddress.Parse(addr).Address); } static string ToAddr(long address) { return IPAddress.Parse(address.ToString()).ToString(); } static void Main() { Console.WriteLine(ToInt("64.233.187.99")); Console.WriteLine(ToAddr(1089059683)); }} 复制代码