我找到了一种简洁的模拟方法paintHtmlString; 这是代码：
public class MyComponent extends JComponent {
private JLabel label = null;
public MyComponent() {
super();
}
private JLabel getLabel() {
if (label == null) {
label = new JLabel();
}
return label;
}
/**
* x and y stand for the upper left corner of the label
* and not for the baseline coordinates ...
*/
private void paintHtmlString(Graphics g, String html, int x, int y) {
g.translate(x, y);
getLabel().setText(html);
//the fontMetrics stringWidth and height can be replaced by
//getLabel().getPreferredSize() if needed
getLabel().paint(g);
g.translate(-x, -y);
}
protected void paintComponent(Graphics g) {
//some drawing operations...
paintHtmlString(g, "<html><u>some text</u></html>", 10, 10);
}
}
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