datemidlet.java

来自「<j2me 开发精解> 詹建光著 里所有的源码。对J2me的开发相当」· Java 代码 · 共 43 行

package com.j2medev.sample.chapter3;

import java.util.Calendar;
import java.util.Date;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class DateMidlet extends MIDlet implements CommandListener{
    
    private Form form = new Form("UIDemo");
    private Display display = null;
    private DateField time = null;
    private Command okCommand = new Command("确定",Command.OK,1);
    
    public void startApp() {
        if(display==null) {
            display = Display.getDisplay(this);
            time = new DateField("输入时间和日期", DateField.DATE_TIME);
            time.setDate(new java.util.Date());
            form.append(time);
            form.addCommand(okCommand);
            form.setCommandListener(this);
            display.setCurrent(form);
        }
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
    public void commandAction(Command cmd,Displayable displayable){
        if(cmd == okCommand){
            Date d = time.getDate();
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(d);
            System.out.println(calendar.get(Calendar.YEAR));
            //其他get()方法可以读取例如MONTH等属性值
        }
    }
}