import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;
import java.awt.color.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.BevelBorder;public class Time extends JFrame implements ActionListener {
private JLabel jl;
JButton bt;
public Time() {
jl=new JLabel();
jl.setLocation(20,30);
jl.setSize(80,50);
jl.setBorder(new BevelBorder(BevelBorder.LOWERED,Color.white,Color.black));
jl.setHorizontalAlignment(JLabel.CENTER);
jl.setForeground(Color.blue);
this.setLayout(null);
this.setLocation(450,300);
this.setSize(200,150);
this.setTitle("时间");
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.getContentPane().add(jl);
this.setVisible(true);
setLayout(null);
bt=new JButton("加1秒");
bt.setBounds(110,30,70,50);
bt.addActionListener(this);
this.add(bt);
Timer t= new Timer(99999999,this);
t.setInitialDelay(0);
t.start();
int hour=3;
int minute=9;
int second=50;
second= (second+1)%60;
if(second==0)
{
minute = (minute+1)%60;
if(minute == 0)
{
hour=(hour+1)%24;
}
}
String h=hour<10?"0":"";
String m=minute<10?"0":"";
String s=second<10?"0":"";
String time=h+hour+":"+m+minute+":"+s+second;
jl.setText(time);
jl.repaint();
} public static void main(String[] args) {
new Time();
}
public void actionPerformed(ActionEvent e)
{ }
}我写到这里不会写了,就是说按钮代码啊没有编辑好...目的就是按一下按钮 second+1 并且即刻显示出来嘛..求高手指教~
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;
import java.awt.color.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.BevelBorder;public class Time extends JFrame implements ActionListener {
private JLabel jl;
JButton bt;
public Time() {
jl=new JLabel();
jl.setLocation(20,30);
jl.setSize(80,50);
jl.setBorder(new BevelBorder(BevelBorder.LOWERED,Color.white,Color.black));
jl.setHorizontalAlignment(JLabel.CENTER);
jl.setForeground(Color.blue);
this.setLayout(null);
this.setLocation(450,300);
this.setSize(200,150);
this.setTitle("时间");
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.getContentPane().add(jl);
this.setVisible(true);
setLayout(null);
bt=new JButton("加1秒");
bt.setBounds(110,30,70,50);
bt.addActionListener(this);
this.add(bt);
Timer t= new Timer(99999999,this);
t.setInitialDelay(0);
t.start();
int hour=3;
int minute=9;
int second=50;
second= (second+1)%60;
if(second==0)
{
minute = (minute+1)%60;
if(minute == 0)
{
hour=(hour+1)%24;
}
}
String h=hour<10?"0":"";
String m=minute<10?"0":"";
String s=second<10?"0":"";
String time=h+hour+":"+m+minute+":"+s+second;
jl.setText(time);
jl.repaint();
} public static void main(String[] args) {
new Time();
}
public void actionPerformed(ActionEvent e)
{ }
}我写到这里不会写了,就是说按钮代码啊没有编辑好...目的就是按一下按钮 second+1 并且即刻显示出来嘛..求高手指教~
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;
import java.awt.color.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.BevelBorder; public class Time extends JFrame implements ActionListener
{
private JLabel jl;
private JButton bt;
public Time()
{
jl=new JLabel(" ");
jl.setBackground(Color.red);
jl.setLocation(20,30);
jl.setSize(80,50);
jl.setBorder(new BevelBorder
(BevelBorder.LOWERED,Color.white,Color.black));
Container con=getContentPane();
con.setLayout(new FlowLayout());
con.add(jl);
jl.setHorizontalAlignment(JLabel.CENTER);
jl.setForeground(Color.blue);
setLocation(450,300);
setSize(200,150);
setTitle("时间");
//setResizable(false);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
bt=new JButton("加1秒");
con.add(bt);
bt.addActionListener(this);
Timer t= new Timer(99999999,this);
t.setInitialDelay(0);
t.start();
jl.setText(setLabelText());
}
int hour=3;
int minute=9;
int second=50;
public int setSecond()
{
return second++;
}
public String setLabelText()
{
String time=hour+":"+minute+":"+second;
if(second>=60)
{
if(minute<60)
minute+=1;
else
if(hour<24)
hour+=1;
else hour=hour%24;
second=second%60;
}
/* if(second==0)
{
minute = (minute+1)%60;
if(minute == 0)
{
hour=(hour+1)%24;
}
}*/
/* String h=hour <10?"0":"";
String m=minute <10?"0":"";
String s=second <10?"0":""; */
return time;
}
public static void main(String[] args) {
new Time();
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==bt)
{
setSecond();
jl.setText(setLabelText());
}
}
}