用java取得本机的ip和机器名-JSP教程,Java技巧及代码

//iplabel.java

import java.net.*;

import java.awt.*;

import javax.swing.*;

public class iplabel

{

jframe frame;

jlabel label1,label2;

jpanel panel;

string ip,address;

public void getip()

{

try

{

inetaddress addr = inetaddress.getlocalhost();

ip=addr.gethostaddress().tostring();//获得本机ip

address=addr.gethostname().tostring();//获得本机名称

//system.out.println("addr=:"+string.valueof(addr));

}

catch(exception e)

{

system.out.println("bad ip address!"+e);

}

}

public void showframe()

{

frame=new jframe("my ip");

label1=new jlabel("this my ip");

label1.settext(ip);

label2=new jlabel("this my address");

label2.settext(address);

panel=new jpanel();

panel.add(label1);

panel.add(label2);

frame.getcontentpane().add(panel);

frame.setsize(400,300);

frame.setvisible(true);

}

public static void main(string agrs[])

{

iplabel myip=new iplabel();

myip.getip();

myip.showframe();

}

}