JEditorPane 支持 Javascript 和 CSS
2022-09-03 09:17:15
我正在使用Swing,但它不支持Javascript或一些高级标签,如等,不支持颜色,字体样式大小等。JEditorPane
<object>
是否有任何解决方案,以便编辑器窗格可以像在普通HTML浏览器中显示的那样显示HTML文件?
我正在使用Swing,但它不支持Javascript或一些高级标签,如等,不支持颜色,字体样式大小等。JEditorPane
<object>
是否有任何解决方案,以便编辑器窗格可以像在普通HTML浏览器中显示的那样显示HTML文件?
+1 到 mKorbel。
使用JavaFX WebView
,它通过将它与Swing集成来支持HTML5。
下面是一个示例:
import java.awt.*;
import java.awt.event.*;
import java.net.MalformedURLException;
import java.net.URL;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import static javafx.concurrent.Worker.State.FAILED;
import javafx.embed.swing.JFXPanel;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebEvent;
import javafx.scene.web.WebView;
import javax.swing.*;
public class SimpleSwingBrowser implements Runnable {
private JFXPanel jfxPanel;
private WebEngine engine;
private JFrame frame = new JFrame();
private JPanel panel = new JPanel(new BorderLayout());
private JLabel lblStatus = new JLabel();
private JButton btnGo = new JButton("Go");
private JTextField txtURL = new JTextField();
private JProgressBar progressBar = new JProgressBar();
private void initComponents() {
jfxPanel = new JFXPanel();
createScene();
ActionListener al = new ActionListener() {
@Override public void actionPerformed(ActionEvent e) {
loadURL(txtURL.getText());
}
};
btnGo.addActionListener(al);
txtURL.addActionListener(al);
progressBar.setPreferredSize(new Dimension(150, 18));
progressBar.setStringPainted(true);
JPanel topBar = new JPanel(new BorderLayout(5, 0));
topBar.setBorder(BorderFactory.createEmptyBorder(3, 5, 3, 5));
topBar.add(txtURL, BorderLayout.CENTER);
topBar.add(btnGo, BorderLayout.EAST);
JPanel statusBar = new JPanel(new BorderLayout(5, 0));
statusBar.setBorder(BorderFactory.createEmptyBorder(3, 5, 3, 5));
statusBar.add(lblStatus, BorderLayout.CENTER);
statusBar.add(progressBar, BorderLayout.EAST);
panel.add(topBar, BorderLayout.NORTH);
panel.add(jfxPanel, BorderLayout.CENTER);
panel.add(statusBar, BorderLayout.SOUTH);
frame.getContentPane().add(panel);
}
private void createScene() {
Platform.runLater(new Runnable() {
@Override public void run() {
WebView view = new WebView();
engine = view.getEngine();
engine.titleProperty().addListener(new ChangeListener<String>() {
@Override
public void changed(ObservableValue<? extends String> observable, String oldValue, final String newValue) {
SwingUtilities.invokeLater(new Runnable() {
@Override public void run() {
frame.setTitle(newValue);
}
});
}
});
engine.setOnStatusChanged(new EventHandler<WebEvent<String>>() {
@Override public void handle(final WebEvent<String> event) {
SwingUtilities.invokeLater(new Runnable() {
@Override public void run() {
lblStatus.setText(event.getData());
}
});
}
});
engine.locationProperty().addListener(new ChangeListener<String>() {
@Override
public void changed(ObservableValue<? extends String> ov, String oldValue, final String newValue) {
SwingUtilities.invokeLater(new Runnable() {
@Override public void run() {
txtURL.setText(newValue);
}
});
}
});
engine.getLoadWorker().workDoneProperty().addListener(new ChangeListener<Number>() {
@Override
public void changed(ObservableValue<? extends Number> observableValue, Number oldValue, final Number newValue) {
SwingUtilities.invokeLater(new Runnable() {
@Override public void run() {
progressBar.setValue(newValue.intValue());
}
});
}
});
engine.getLoadWorker()
.exceptionProperty()
.addListener(new ChangeListener<Throwable>() {
public void changed(ObservableValue<? extends Throwable> o, Throwable old, final Throwable value) {
if (engine.getLoadWorker().getState() == FAILED) {
SwingUtilities.invokeLater(new Runnable() {
@Override public void run() {
JOptionPane.showMessageDialog(
panel,
(value != null) ?
engine.getLocation() + "\n" + value.getMessage() :
engine.getLocation() + "\nUnexpected error.",
"Loading error...",
JOptionPane.ERROR_MESSAGE);
}
});
}
}
});
jfxPanel.setScene(new Scene(view));
}
});
}
public void loadURL(final String url) {
Platform.runLater(new Runnable() {
@Override public void run() {
String tmp = toURL(url);
if (tmp == null) {
tmp = toURL("http://" + url);
}
engine.load(tmp);
}
});
}
private static String toURL(String str) {
try {
return new URL(str).toExternalForm();
} catch (MalformedURLException exception) {
return null;
}
}
@Override public void run() {
frame.setPreferredSize(new Dimension(1024, 600));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initComponents();
loadURL("http://oracle.com");
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new SimpleSwingBrowser());
}
}
此链接还提供了一些有用的示例,包括演示如何使用 JavaScriptWebView
of
引用:
仅当前支持(最多),减少对 、Java6/7
Html 3.2
css
对于和相当充分的使用,Html5
css support
JavaFx Components
有自定义Java库,(完全???)支持Html4 / 5,css和js,但我建议使用JavaFX