【Java开源代码栏目提醒】:网学会员--在 Java开源代码编辑为广大网友搜集整理了:BankHelp.java绩等信息,祝愿广大网友取得需要的信息,参考学习。
package BankSystem;
import javax.swing.*;
import java.awt.*;
import java.net.URL;
import java.net.MalformedURLException;
import java.io.*;
import javax.swing.text.*;
import javax.swing.event.*;
public class BankHelp extends JInternalFrame {
public BankHelp (String title, String filename) {
// super(Title, Resizable, Closable, Maximizable, Iconifiable)
super (title, false, true, false, true);
setSize (500, 350);
HtmlPane html = new HtmlPane (filename);
setContentPane (html);
setVisible (true);
}
}
class HtmlPane extends JScrollPane implements HyperlinkListener {
JEditorPane html;
public HtmlPane(String filename) {
try {
File f = new File (filename);
String s = f.getAbsolutePath();
s = "file:"+s;
URL url = new URL(s);
html = new JEditorPane(s);
html.setEditable(false);
html.addHyperlinkListener(this);
JViewport vp = getViewport();
vp.add(html);
}
catch (MalformedURLException e) {
System.out.println("Malformed URL: " + e);
}
catch (IOException e) {
System.out.println("IOException: " + e);
}
}
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
linkActivated(e.getURL());
}
}
protected void linkActivated(URL u) {
Cursor c = html.getCursor();
Cursor waitCursor = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR);
html.setCursor(waitCursor);
SwingUtilities.invokeLater(new PageLoader(u, c));
}
class PageLoader implements Runnable {
PageLoader(URL u, Cursor c) {
url = u;
cursor = c;
}
public void run() {
if (url == null) {
html.setCursor(cursor);
Container parent = html.getParent();
parent.repaint();
}
else {
Document doc = html.getDocument();
try {
html.setPage(url);
}
catch (IOException ioe) {
html.setDocument(doc);
getToolkit().beep();
}
finally {
url = null;
SwingUtilities.invokeLater(this);
}
}
}
URL url;
Cursor cursor;
}
}
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