javaʱ¼ä¶¯Ì¬ÏÔʾ Á½ÖÖ·½·¨
ʱ¼ä¶¯Ì¬ÏÔʾ
1.·½·¨Ò» ÓÃTimerTask
ÀûÓÃjava.util.TimerºÍjava.util.TimerTaskÀ´×ö¶¯Ì¬¸üУ¬±Ï¾¹Ã¿´Î¸üпÉÒÔ¿´×÷ÊǼÆʱ1Ãë·¢ÉúÒ»´Î¡£
´úÂëÈçÏ£º
import java.awt.Dimension;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
* This class is a simple JFrame implementation to explain how to
* display time dynamically on the JSwing-based interface.
* @author Edison
*
*/
public class TimeFrame extends JFrame
{
/*
* Variables
*/
private JPanel timePanel;
private JLabel timeLabel;
private JLabel displayArea;
private String DEFAULT_TIME_FORMAT = "HH:mm:ss";
private String time;
private int ONE_SECOND = 1000;
public TimeFrame()
{
timePanel = new JPanel();
timeLabel = new JLabel("CurrentTime: ");
displayArea = new JLabel();
configTimeArea();
timePanel.add(timeLabel);
timePanel.add(displayArea);
this.add(timePanel);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setSize(new Dimension(200,70));
this.setLocationRelativeTo(null);
}
/**
* This method creates a timer task to update the time per second
*/
private void configTimeArea() {
Timer tmr = new Timer();
tmr.scheduleAtFixedRate(new JLabelTimerTask(),new Date(), ONE_SECOND);
}
/**
* Timer task to update the time display area
*
*/
protected class JLabelTimerTask extends TimerTask{
SimpleDateFormat dateFormatter = new SimpleDateFormat(DEFAULT_TIME_FORMAT);
@Override
public void run() {
time = da
Ïà¹ØÎĵµ£º
ʹÓà Java communications API ʵÏÖ²¢Ðж˿ڴòÓ¡
ÕâÊÇÒ»¸öÔÚ¿Í»§Ö§³ÖÖÐÓöµ½µÄÐÂÎÊÌ⣬ÎÒÔÚÏà¹ØµÄÍøÕ¾([url]www.rxtx.org[/url] and [url]www.sun.com.cn[/url])ÉÏÕÒµ½ÁËһЩÓÐÓõÄÐÅÏ¢£¬×îºóÖÕÓÚÔÚWindows XP ºÍ LinuxIA32 ƽ̨ÏÂʵÏÖ²¢Ðж˿ڴòÓ¡ÕâÒ»¹¦ÄÜ¡£
Ê×ÏÈ£¬ÎÒÃÇÒª´ÓSUNµÄÍøÕ¾ÏÂÔØJava communicat ......
ÕâÀï¶ÔÓÚ¼¸¸ö»ù±¾µÄ¸ÅÄî URL TCP UDP Socket ¾Í²»¼Ó˵Ã÷ÁË£¬ÕâÀï½ö½öÊǼǼһЩѧϰÈÕÖ¾±¸Íü¡£
1£ºÈçºÎ¶¨ÒåÏà¶Ô×ÊÔ´
¼ÙÉèÓÐÈçÏÂÁ½¸ö×ÊÔ´ £º
http://www.gamelan.com/pages/Gamelan.game.html
http://www.gamelan.com/pa ......
¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ1ÕÂ
www.wesiedu.com 2009-5-5 ÔÚÏßÄ£Ä⿼³¡
¶þ¡¢¿Î³ÌÄÚÈÝÓ뿼ºËÄ¿±ê
µÚ1Õ JavaÓïÑÔ»ù´¡
(Ò»)¿Î³ÌÄÚÈÝ
1.1 JavaÓïÑÔµÄÌصã
1.2 JavaÓ¦ÓóÌÐòºÍСӦÓóÌÐò
1.3 Java³ÌÐòµÄ¿ª·¢¹ý³Ì
1.4±êʶ·ûºÍ¹Ø¼ü×Ö
l.5»ù±¾Êý¾ÝÀàÐÍ
1.5.1 Âß¼ÀàÐÍ
1 ......
¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ7ÕÂ
www.wesiedu.com 2009-5-5 ÔÚÏßÄ£Ä⿼³¡
µÚ7Õ ͼÐΡ¢Í¼ÏñÓë¶àýÌå
(Ò»)¿Î³ÌÄÚÈÝ
7.1 »æͼ»ù´¡
7.1.1 GraphicsÀàµÄ»ù±¾¹¦ÄÜ
7.1.2×ÖÐͺÍÑÕÉ«
7.1.3»æͼģʽ
7.2»æͼ
7.2.1 GâîphicsÀàµÄ»æͼ·½·¨
7.2.2 Gmphics2DÀàµÄ»æͼ·½·¨
7.3ͼ ......
µÚ9Õ ÊäÈëºÍÊä³öÁ÷
(Ò»)¿Î³ÌÄÚÈÝ
9.1×Ö½ÚÁ÷ºÍ×Ö·ûÁ÷
9.1.1 File¶ÔÏó
9.1.2Á÷¶ÔÏó
9.2»º³åʽÊäÈëÊä³ö
9.2.1»º³åʽÊäÈë
9.2.2»º³åʽÊä³ö
9.3Ëæ»ú·ÃÎÊ
9.4Îļþ¶Ô»°¿ò
(¶þ)ѧϰĿµÄÓëÒªÇó
±¾Õ½éÉÜJava³ÌÐòÊý¾ÝÎļþµÄÊäÈëÊä³ö¼¼Êõ¡£ÒªÇóÄܱàд¼òµ¥µÄJavaÎļþ´¦Àí³ÌÐò¡£
(Èý)¿¼ºË֪ʶµãÓ뿼ºËÒªÇó
1.´´½¨File¶ÔÏó£ ......