给一个多线程的列子 给一个多线程的列子 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 此回复为自动发出,仅用于显示而已,并无任何其他特殊作用楼主【yaoqing123】截止到2008-07-20 14:57:17的历史汇总数据(不包括此帖):发帖的总数量:3 发帖的总分数:200 每贴平均分数:66 回帖的总数量:3 得分贴总数量:0 回帖的得分率:0% 结贴的总数量:3 结贴的总分数:200 无满意结贴数:0 无满意结贴分:0 未结的帖子数:0 未结的总分数:0 结贴的百分比:100.00% 结分的百分比:100.00% 无满意结贴率:0.00 % 无满意结分率:0.00 % 敬礼! import java.awt.Color;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Date;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JButton;public class TestSuspend{ public static void main(String[] args){ JFrame jf = new JFrame("Timer"); JButton pause = new JButton("Pause"); JLabel clock = new JLabel("Timer"); clock.setBackground(Color.GREEN); clock.setOpaque(true); clock.setHorizontalAlignment(JLabel.CENTER); jf.add(clock,"Center"); jf.add(pause,"North"); jf.setSize(140,80); jf.setLocation(500,300); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jf.setVisible(true); MyThread mt = new MyThread(clock,10000); mt.start(); MyListener ml = new MyListener(clock,mt); pause.addActionListener(ml); } }class MyThread extends Thread{ private JLabel clock; private long time; private long end; public MyThread(JLabel clock,long time){ this.clock = clock; this.time = time; } public void init(){ long start = new Date().getTime(); end = start + time; } public void run(){ this.init(); while(true){ long now = new Date().getTime(); time = end - now; if(time > 0){ String s = this.convert(time); clock.setText(s); }else{ break; } try{ Thread.sleep(10); }catch(InterruptedException e){ e.printStackTrace(); } } clock.setText("时间到!"); clock.setBackground(Color.RED); } public String convert(long time){ long h = time / 3600000; long m = (time % 3600000) / 60000; long s = (time % 60000) / 1000; long ms = (time % 1000) / 10; String ph = h<10 ? "0":""; String pm = m<10 ? "0":""; String ps = s<10 ? "0":""; String pms = ms<10 ? "0":""; String txt = ph + h + ":" + pm + m + ":" + ps + s + "." + pms + ms; return txt; } }class MyListener implements ActionListener{ private JLabel clock; private MyThread mt; private boolean running= true; public MyListener(JLabel clock,MyThread mt){ this.clock = clock; this.mt = mt; } public void actionPerformed(ActionEvent e){ if(!mt.isAlive()) return; JButton jb = (JButton)(e.getSource()); if(running){ jb.setText("Replay"); clock.setBackground(Color.YELLOW); mt.suspend(); }else{ jb.setText("Pause"); clock.setBackground(Color.green); mt.init(); mt.resume(); } running = !running; } } 郁闷很久的小问题!! Swing "Timer" Event 发送两次? 菜鸟:gui,想说爱你不容易? 拖动 web 页面的表的整列:用html组件:tableAct.htc组件(或称行为) java编写画图软件? 关于javabean的问题 初学者求助! 如何禁止列表框多选 关于用ftp和com做远程数据传输的程序。要求能够在远程的不同数据库之间传输数据,以及传输文件,如excel和txt文件。 用Java描述的数据结构的书? 帮我写一个简单的聊天室啊 socket,多线程, 多线程的例子 急
楼主【yaoqing123】截止到2008-07-20 14:57:17的历史汇总数据(不包括此帖):
发帖的总数量:3 发帖的总分数:200 每贴平均分数:66
回帖的总数量:3 得分贴总数量:0 回帖的得分率:0%
结贴的总数量:3 结贴的总分数:200
无满意结贴数:0 无满意结贴分:0
未结的帖子数:0 未结的总分数:0
结贴的百分比:100.00% 结分的百分比:100.00%
无满意结贴率:0.00 % 无满意结分率:0.00 %
敬礼!
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JButton;public class TestSuspend{
public static void main(String[] args){
JFrame jf = new JFrame("Timer");
JButton pause = new JButton("Pause");
JLabel clock = new JLabel("Timer");
clock.setBackground(Color.GREEN);
clock.setOpaque(true);
clock.setHorizontalAlignment(JLabel.CENTER);
jf.add(clock,"Center");
jf.add(pause,"North");
jf.setSize(140,80);
jf.setLocation(500,300);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setVisible(true); MyThread mt = new MyThread(clock,10000);
mt.start();
MyListener ml = new MyListener(clock,mt);
pause.addActionListener(ml);
}
}class MyThread extends Thread{
private JLabel clock;
private long time;
private long end;
public MyThread(JLabel clock,long time){
this.clock = clock;
this.time = time;
}
public void init(){
long start = new Date().getTime();
end = start + time;
}
public void run(){
this.init();
while(true){
long now = new Date().getTime();
time = end - now;
if(time > 0){
String s = this.convert(time);
clock.setText(s);
}else{
break;
}
try{
Thread.sleep(10);
}catch(InterruptedException e){
e.printStackTrace();
}
}
clock.setText("时间到!");
clock.setBackground(Color.RED);
}
public String convert(long time){
long h = time / 3600000;
long m = (time % 3600000) / 60000;
long s = (time % 60000) / 1000;
long ms = (time % 1000) / 10;
String ph = h<10 ? "0":"";
String pm = m<10 ? "0":"";
String ps = s<10 ? "0":"";
String pms = ms<10 ? "0":"";
String txt = ph + h + ":" + pm + m + ":" + ps + s + "." + pms + ms;
return txt;
}
}class MyListener implements ActionListener{
private JLabel clock;
private MyThread mt;
private boolean running= true;
public MyListener(JLabel clock,MyThread mt){
this.clock = clock;
this.mt = mt;
}
public void actionPerformed(ActionEvent e){
if(!mt.isAlive())
return;
JButton jb = (JButton)(e.getSource());
if(running){
jb.setText("Replay");
clock.setBackground(Color.YELLOW);
mt.suspend();
}else{
jb.setText("Pause");
clock.setBackground(Color.green);
mt.init();
mt.resume();
}
running = !running;
}
}