我得到了错误,就像在主题中一样,我恳请你如何修复它... ERROR在menuItem-loop中,我尝试将textArea前景色设置为从menuItem中拾取的颜色:( colors [mi])
String[] colors = {
"blue",
"yellow",
"orange",
"red",
"white",
"black",
"green",
};
JMenu mnForeground = new JMenu("Foreground");
for (int mi=0; mi<colors.length; mi++){
String pos = Character.toUpperCase(colors[mi].charAt(0)) + colors[mi].substring(1);
JMenuItem Jmi =new JMenuItem(pos);
Jmi.setIcon(new IconA(colors[mi]));
Jmi.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem) e.getSource();
IconA icon = (IconA) item.getIcon();
Color kolorIkony = getColour(colors[mi]); // ERROR HERE: (colors[mi])
textArea.setForeground(kolorIkony);
}
});
mnForeground.add(Jmi);
}
public Color getColour(String colour){
try {
kolor = Color.decode(colour);
} …Run Code Online (Sandbox Code Playgroud) java ×1