将命令分配给javaMe中的中心软按钮

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class MyMIDlet extends MIDlet implements CommandListener {
    private Display display;
    private Form form;
    private Command exitCommand;
    private Command myCommand;

    public MyMIDlet() {
        display = Display.getDisplay(this);
        form = new Form("My Form");
        exitCommand = new Command("Exit", Command.EXIT, 0);
        myCommand = new Command("My Command", Command.ITEM, 0);
        form.addCommand(exitCommand);
        form.addCommand(myCommand);
        form.setCommandListener(this);
    }

    public void startApp() {
        display.setCurrent(form);
    }

    public void pauseApp() {}

    public void destroyApp(boolean unconditional) {}

    public void commandAction(Command c, Displayable d) {
        if (c == exitCommand) {
            destroyApp(true);
            notifyDestroyed();
        } else if (c == myCommand) {
            // 在这里执行你想要的命令或功能
        }
    }
}