?? htmlbrowser.java
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import java.io.IOException;
import java.net.URL;
import javax.swing.*;
import javax.swing.text.Document;
import javax.swing.text.JTextComponent;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
public class HtmlBrowser extends JFrame{
JPanel contentPane;
BorderLayout borderLayoutAll=new BorderLayout();
JLabel jLabelPrompt=new JLabel();
JPanel jPanelMain=new JPanel();
BorderLayout borderLayoutMain=new BorderLayout();
JTextField textFieldURL=new JTextField();
JEditorPane jEditorPane=new JEditorPane();
public HtmlBrowser(){
try{
jbInit();
}
catch(Exception e){
e.printStackTrace();
}
}
private void jbInit() throws Exception{
contentPane=(JPanel)getContentPane();
contentPane.setLayout(borderLayoutAll);
jPanelMain.setLayout(borderLayoutMain);
jLabelPrompt.setText("請輸入URL");
textFieldURL.setText("");
textFieldURL.addActionListener(new java.awt.event.ActionListener(){
public void actionPerformed(ActionEvent e){
textFieldURL_actionPerformed(e);}
});
jEditorPane.setEditable(false);
jEditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener()
{
public void hyperlinkUpdate(HyperlinkEvent e){
jEditorPane_hyperlinkUpdate(e);
}
});
JScrollPane scrollPane=new JScrollPane();
scrollPane.getViewport().add(jEditorPane);
jPanelMain.add(textFieldURL,"North");
jPanelMain.add(scrollPane,"Center");
contentPane.add(jLabelPrompt,"North");
contentPane.add(jPanelMain,"Center");
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
this.setSize(new Dimension(600,500));
this.setTitle("迷你IE ");
this.setVisible(true);
}
void textFieldURL_actionPerformed(ActionEvent e){
try{
jEditorPane.setPage(textFieldURL.getText());
}
catch(IOException ex){
JOptionPane msg=new JOptionPane();
JOptionPane.showMessageDialog(this," URL 地址不正確: "+textFieldURL.getText(), "輸入不正確!",0);
}
}
void jEditorPane_hyperlinkUpdate(HyperlinkEvent e){
if(e.getEventType()==
javax.swing.event.HyperlinkEvent.EventType.ACTIVATED){
try{
URL url=e.getURL();
jEditorPane.setPage(url);
textFieldURL.setText(url.toString());
}
catch(IOException io){
JOptionPane msg=new JOptionPane();
JOptionPane.showMessageDialog(this,"打開該鏈接失敗!","輸入不正確!",0);
}
}
}
protected void processWindowEvent(WindowEvent e){
super.processWindowEvent(e);
if(e.getID()==WindowEvent.WINDOW_CLOSING){
System.exit(0);
}
}
public static void main(String[] args){
new HtmlBrowser();
}
}
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