package com.zzk;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
@SuppressWarnings("serial")
public class ByIpGainDomainFrame extends JFrame {
private JTextField tf_ip;
private JTextField tf_canonical;
private JTextField tf_host;
/**
* Launch the application
*
* @param args
*/
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
ByIpGainDomainFrame frame = new ByIpGainDomainFrame();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame
*/
public ByIpGainDomainFrame() {
super();
getContentPane().setLayout(null);
setTitle("通过IP地址获得域名和主机名");
setBounds(100, 100, 333, 218);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JButton button = new JButton();
button.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent e) {
try {
String ip = tf_ip.getText();// IP地址
String[] ipStr = ip.split("[.]");// IP转换为字符串数组
byte[] ipBytes = new byte[4];// 声明存储转换后IP的字节数组
for (int i = 0; i < 4; i++) {
int m = Integer.parseInt(ipStr[i]);// 转换为整数
byte b = (byte) (m & 0xff);// 转换为字节
ipBytes[i] = b;// 赋值给字节数组
}
InetAddress inetAddr = InetAddress.getByAddress(ipBytes);// 创建InetAddress对象
String canonical = inetAddr.getCanonicalHostName();// 获取域名
String host = inetAddr.getHostName();// 获取主机名
tf_canonical.setText(canonical);// 在文本框中显示域名
tf_host.setText(host);// 在文本框中显示主机名
} catch (UnknownHostException e1) {
e1.printStackTrace();
}
}
});
button.setText("获取域名和主机名");
button.setBounds(28, 136, 150, 28);
getContentPane().add(button);
final JLabel label = new JLabel();
label.setForeground(new Color(0, 0, 255));
label.setFont(new Font("", Font.BOLD, 16));
label.setText("通过IP地址获得域名和主机名");
label.setBounds(51, 10, 223, 35);
getContentPane().add(label);
final JLabel label_1 = new JLabel();
label_1.setText("主 机 名：");
label_1.setBounds(28, 110, 66, 18);
getContentPane().add(label_1);
tf_host = new JTextField();
tf_host.setBounds(87, 108, 199, 22);
getContentPane().add(tf_host);
final JButton button_1 = new JButton();
button_1.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent e) {
System.exit(0);
}
});
button_1.setText("退出系统");
button_1.setBounds(191, 136, 95, 28);
getContentPane().add(button_1);
final JLabel label_2 = new JLabel();
label_2.setText("域 名：");
label_2.setBounds(28, 82, 66, 18);
getContentPane().add(label_2);
tf_canonical = new JTextField();
tf_canonical.setBounds(87, 80, 199, 22);
getContentPane().add(tf_canonical);
final JLabel label_3 = new JLabel();
label_3.setText("输入IP地址：");
label_3.setBounds(10, 51, 84, 18);
getContentPane().add(label_3);
tf_ip = new JTextField();
tf_ip.setBounds(87, 52, 199, 22);
getContentPane().add(tf_ip);
//
}
}
300.rar （8个子文件） 
300 bin com zzk 
ByIpGainDomainFrame$1.class 774B ByIpGainDomainFrame$3.class 742B ByIpGainDomainFrame.class 3KB ByIpGainDomainFrame$2.class 2KB .settings org.eclipse.jdt.core.prefs 629B src com zzk ByIpGainDomainFrame.java 4KB .project 379B .classpath 301B资源评论
