电脑技术学习

JAVA获得域名的IP地址

dn001

  import java.net.InetAddress;

  import java.net.UnknownHostException;

  public class TestInetAddress {

  InetAddress myIpAddress = null;

  InetAddress[] myServer = null;

  public static void main(String args[]) {

  TestInetAddress address = new TestInetAddress();

  System.out.println("Your host IP is: " + address.getLocalhostIP());

  String domain = "www.163.com";

  System.out.println("The server domain name is: " + domain);

  InetAddress[] array = address.getServerIP(domain);

  int count=0;

  for(int i=1; i<array.length; i++){

  System.out.println("ip "+ i +" "+ address.getServerIP(domain)[i-1]);

  count++;

  }

  System.out.println("IP address total: "+count);

  }

  /**

  * 获得 localhost 的IP地址

  * @return

  */

  public InetAddress getLocalhostIP() {

  try {

  myIpAddress = InetAddress.getLocalHost();

  } catch (UnknownHostException e) {

  e.printStackTrace();

  }

  return (myIpAddress);

  }

  /**

  * 获得某域名的IP地址

  * @param domain 域名

  * @return

  */

  public InetAddress[] getServerIP(String domain) {

  try {

  myServer = InetAddress.getAllByName(domain);

  } catch (UnknownHostException e) {

  e.printStackTrace();

  }

  return (myServer);

  }

  }

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