command_stock.zip_股票 java_股票分析 java

import javax.microedition.midlet.MIDlet; import javax.microedition.midlet.MIDletStateChangeException; import javax.microedition.lcdui.*; public class command extends MIDlet implements CommandListener { private Display display; TextBox tb; private Form form; Command cmd_Exit; Command cmd_Stock; Command cmd_Back; private Ticker ticker; public command() { display=Display.getDisplay(this); form=new Form("stock jiaoyi"); tb=new TextBox("info of stock","stock of macket",50,0); cmd_Exit=new Command("back",Command.EXIT,1); cmd_Stock=new Command("zixun",Command.SCREEN,1); cmd_Back=new Command("BACK",Command.BACK,1); ticker=new Ticker("huaasaca,sadada"); form.addCommand(cmd_Exit); form.addCommand(cmd_Stock); tb.addCommand(cmd_Back); tb.setCommandListener(this); form.setCommandListener(this); // TODO Auto-generated constructor stub } protected void destroyApp(boolean arg0) { // TODO Auto-generated method stub } protected void pauseApp() { // TODO Auto-generated method stub } protected void startApp() { // TODO Auto-generated method stub display.setCurrent(form); } public void commandAction(Command c,Displayable d){ if(c==cmd_Exit){ destroyApp(false); notifyDestroyed(); if(c==cmd_Back){ display.setCurrent(form); } if(c==cmd_Stock){ display.setCurrent(tb); tb.setTitle("info of stock"); tb.setTicker(ticker); } } } }