C# 获得本地IP地址
string hostName = System.Net.Dns.GetHostName();
//hostName获取主机名称
System.Net.IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(hostName);//Dns.GetHostByName(hostName);
//ip地址列表
System.Net.IPAddress[] addr = ipEntry.AddressList;
string add = addr[0].ToString();