J2ME Item组件

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import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.ItemCommandListener;
import javax.microedition.lcdui.StringItem;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

//测试Item
public class Item_test extends MIDlet implements ItemCommandListener {
	private Display display;
	public Item_test(){
		super();
		display = Display.getDisplay(this);
	}
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		
	}

	protected void pauseApp() {
		// TODO Auto-generated method stub
		
	}

	protected void startApp() throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		Form form = new Form("Item组件测试");
		StringItem si1 = new StringItem("人事部","",Item.PLAIN);
		StringItem si2 = new StringItem("市场部","",Item.BUTTON);
		StringItem si3 = new StringItem("财务部","",Item.HYPERLINK);
		
		//为每个子项添加命令
		si2.addCommand(new Command("进入",Command.OK,1));
		si2.addCommand(new Command("退出",Command.CANCEL,1));
		si3.addCommand(new Command("借款",Command.ITEM, 0));
		si3.addCommand(new Command("报销",Command.ITEM,1));
		
		si2.setItemCommandListener(this);
		si2.setItemCommandListener(this);
		
		//将每个子项添加到Form中
		form.append(si1);
		form.append(si2);
		form.append(si3);
		
		display.setCurrent(form);
	}
	
	//两个 参数接收：命令
	public void commandAction(Command c, Item i) {
		// TODO Auto-generated method stub
		System.out.println("当前用户选择的标签为："+i.getLabel()+"   命令选择标题为："+c.getLabel());
	}

	
}