Java 将JComponent添加到applet';s窗格
我试图在按下按钮时将JComponent(例如标签)添加到小程序窗格中。我有以下代码:Java 将JComponent添加到applet';s窗格,java,swing,applet,jcomponent,Java,Swing,Applet,Jcomponent,我试图在按下按钮时将JComponent(例如标签)添加到小程序窗格中。我有以下代码: public class TestApplet extends JApplet { @Override public void init() { setLayout(new FlowLayout()); JButton bt = new JButton("hit it"); bt.addActionListener(new ActionL
public class TestApplet extends JApplet
{
@Override
public void init()
{
setLayout(new FlowLayout());
JButton bt = new JButton("hit it");
bt.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
// getContentPane().setFont(null);
getContentPane().add(new JLabel("to the right"));
}
});
add(bt);
}
}
这不会使标签可见,除非我取消注释getContentPane().setFont(null)代码>
请告知如何正确显示标签。提前谢谢
getContentPane().add(new JLabel("to the right"));
this.revalidate();