I have a JOptionPane:
JOptionPane.showMessageDialog(null, text);
The text is a sting:
String text = "Hello world."
What I want to do is change the color of the text, specifically a single word, lets say 'Hello'. SO what I've tried is:
String t1 = "Hello";
String t2 = "world."
Font serifFont = new Font("Serif", Font.BOLD, 12);
AttributedString as = new AttributedString(t1);
as.addAttribute(TextAttribute.FONT, serifFont);
as.addAttribute(TextAttribute.FOREGROUND, Color.red);
JOptionPane.showMessageDialog(null, as+t2);
I'm not familiar with attributedtext() and this wont work. It does this:
"java.text.AttributedString@479c479cworld"
Is there a step I'm missing? Is this not the right way? Any suggestions?
It should be possible to use html to solve this, ie
String t = "<html><font color=#ffffdd>Hello</font> world!";
See http://docs.oracle.com/javase/tutorial/uiswing/components/html.html for more info.
You can pass a Component to JOptionPane in the message parameter and will use that to display your message.
Something like a JLabel or a JPanel with labels on it.
UPDATED
JLabel, JPanel and HTML text examples
public class TestOptionPane {
public static void main(String[] args) {
JLabel label = new JLabel("Hello");
label.setForeground(Color.RED);
JOptionPane.showMessageDialog(null, label);
JPanel pnl = new JPanel(new GridBagLayout());
pnl.add(createLabel("The quick"));
pnl.add(createLabel(" brown ", Color.ORANGE));
pnl.add(createLabel(" fox "));
JOptionPane.showMessageDialog(null, pnl);
String text = "<html>The Quick <span style='color:green'>brown</span> fox</html>";
JOptionPane.showMessageDialog(null, text);
}
public static JLabel createLabel(String text) {
return createLabel(text, UIManager.getColor("Label.foreground"));
}
public static JLabel createLabel(String text, Color color) {
JLabel label = new JLabel(text);
label.setForeground(color);
return label;
}
}
On the Mac-
On Windows -
来源：https://stackoverflow.com/questions/12008100/formatting-text-in-jdialog-box