swing 写的 whois查询工具

以前写的:

package whois;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.*;
public class Frame1 extends JFrame {
JPanel contentPane;
BorderLayout borderLayout1 = new BorderLayout();
JSplitPane jSplitPane1 = new JSplitPane();
JPanel jPanel1 = new JPanel();
BorderLayout borderLayout2 = new BorderLayout();
JTextField txtip = new JTextField();
JButton btnok = new JButton();
JPanel jPanel2 = new JPanel();
BorderLayout borderLayout3 = new BorderLayout();
JScrollPane jsc = new JScrollPane();
JLabel lab = new JLabel();
JList lst = new JList();
JLabel jLabel1 = new JLabel();
public Frame1() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
/**
* Component initialization.
*
* @throws java.lang.Exception
*/
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(borderLayout1);
setSize(new Dimension(413, 442));
setTitle("WHOIS 查询 JAVA 版");
jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);
jSplitPane1.setDividerSize(1);
jPanel1.setLayout(borderLayout2);
btnok.setText("查询");
btnok.addActionListener(new Frame1_btnok_actionAdapter(this));
jPanel2.setLayout(borderLayout3);
lab.setBackground(Color.white);
lab.setBorder(null);
lab.setText("Code By NinTy");
jLabel1.setText("域名:");
contentPane.add(jSplitPane1, java.awt.BorderLayout.CENTER);
jSplitPane1.add(jPanel1, JSplitPane.TOP);
jPanel1.add(txtip, java.awt.BorderLayout.CENTER);
jSplitPane1.add(jPanel2, JSplitPane.BOTTOM);
jPanel2.add(jsc, java.awt.BorderLayout.CENTER);
jsc.getViewport().add(lst);
jPanel2.add(lab, java.awt.BorderLayout.SOUTH);
jPanel1.add(jLabel1, java.awt.BorderLayout.WEST);
jPanel1.add(btnok, java.awt.BorderLayout.EAST);
jSplitPane1.setDividerLocation(30);
}
public void btnok_actionPerformed(ActionEvent e) {
String ip = txtip.getText(); //得到输入的域名
if (ip.equals("")) { ///非空验证
javax.swing.JOptionPane.showMessageDialog(this, "请输入域名!");
return;
}
if (ip.matches("http://.+/")) { //检测是不是以http:// 或者以/结束如果是提示错误
javax.swing.JOptionPane.showMessageDialog(this,
"域名不能以http://开头或者以/结束!");
return;
}
try {
URL url = new URL( //新建url类对象用得到的域名构造一个url
"http://www.seologs.com/ip-domains.html?domainname=" + ip);
URLConnection connection = url.openConnection(); //得到这个url的连接
lab.setText("正在查询。。。");
BufferedReader reader = new BufferedReader(new InputStreamReader( //用这个url连接的getInputStream方法得到一个读取服务端响应的输入流! 用InputStreamReader把字节流转换成字符流用BufferedReader读取!
connection.getInputStream()));
StringBuffer sb = new StringBuffer(); ///构造可变字符串，存储读取到的第一行信息
String str = reader.readLine(); /////循环读取服务端发来的响应
while (str != null) {
sb.append(str); //把读到的第一行都添加到可变字符串中！
str = reader.readLine();
}
DefaultListModel model = new DefaultListModel(); ///// 构造一个JList模型对象用来存储JList显示的数据
Pattern pattern = Pattern.compile("\\d+\\)(.+?)
"); //构造正则表达式对象
Matcher matcher = pattern.matcher(sb.toString()); //// 构造刚才的正则表达式对象的匹配器对象用sb.toString() 得到sb的字符串
int i = 0; //// 声明一个计数变量，因为上面那个正则不太准确查出来的网址第一行总是多出来的懒的改正则了就声明这个i用来检测是不是第一行如果是就不加到JList模型中
int nums = 1; ///计数变量表示网址数量
while (matcher.find()) { //用匹配器对象对sb的字符串进行匹配如果匹配成功进入循环
if (i == 0) { ///// 如果是第一次匹配成功
i++; ///把i的值改成1 不把第一次匹配成功的数据加到JList模型中
} else if (i != 0) { ///如果i不等于0 就把查到的网址加到模型中
model.addElement("" + nums + "." + matcher.group(1));
nums++;
}
}
if (model.size() == 0) { /////检测模型里的数据量如果是0 提示没有记录
javax.swing.JOptionPane.showMessageDialog(this, "没有查询到任何记录");
} else {
lst.setModel(model); ////如果不是0 设置JList的模型让它把数据显示出来
}
lab.setText("查询完成!");
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) {
new Frame1().setVisible(true);
}
}
class Frame1_btnok_actionAdapter implements ActionListener {
private Frame1 adaptee;
Frame1_btnok_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.btnok_actionPerformed(e);
}
}