public class GetIpAddress
{
//获取本机IP地址
public static String getLocalIp()throws UnknownHostException
{
InetAddress addr=InetAddress.getLocalHost();
return addr.getHostAddress();
}
//获取本机机器名
public static String getLocalName()throws UnknownHostException
{
InetAddress addr=InetAddress.getLocalHost();
return addr.getHostName();
}
//根据域名获取主机Ip地址
public static String[] getAllIpByName(String hostName) throws UnknownHostException
{
InetAddress []addr=InetAddress.getAllByName(hostName);
String []ips=new String[addr.length];
for(int i=0;i<ips.length;i++)
{
ips[i]=addr[i].getHostAddress();
}
return ips;
}
public static String getIpByName(String hostName) throws UnknownHostException
{
InetAddress addr=InetAddress.getByName(hostName);
return addr.getHostAddress();
}
public static void main(String[] args)
{
// TODO 自动生成的方法存根
try
{
System.out.println("本机ip： "+getLocalIp());
System.out.println("本机名字： "+getLocalName());
//某网站的ip
String zhihu="www.zhihu.com";
//System.out.println("知乎的IP:"+getIpByName(zhihu));
String []zhiHuIps=getAllIpByName(zhihu);
System.out.println("知乎的IP:"+zhiHuIps.length);
for(int i=0;i<zhiHuIps.length;i++)
System.out.println(zhiHuIps[i]);
} catch (Exception e)
{
// TODO: handle exception
System.err.println("找不到网址");
//e.printStackTrace();
}
}
}