JAVA计时器(秒表)程序代码.doc
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Java计时器（秒表）
功能：能实现计时，暂停，清零，记录功能。如下图：程序运行状态：
源代码：
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Test {
public static void main(String[] args){
new window(计时器);
}
}
class window extends JFrame{
int ON=0,i=0,j=0,k=0,count=0,num=1,R=0;
JButton button1,button2,button3,button4,button5;
JTextField file1,file2,file3;
JTextArea file;
FlowLayout flow;
String a,b,c;
window(String name)
{
file1=new JTextField(2);
file2=new JTextField(2);
file3=new JTextField(2);
file1.setEditable(false);
file2.setEditable(false);
file3.setEditable(false);
file=new JTextArea(10,8);
file.setEditable(false);
button1=new JButton(开始);
button2=new JButton(暂停);
button3=new JButton(清零);
button4=new JButton(记录);
button5=new JButton(清空记录);
flow=new FlowLayout();
flow.setAlignment(FlowLayout.LEFT);
flow.setHgap(20);
flow.setVgap(10);
setTitle(name);
setSize(210,400);
setLayout(flow);
add(file1);
add(new JLabel(:));
add(file2);
add(new JLabel(:));
add(file3);
add(button1);
add(button2);
add(button3);
add(button4);
add(button5);
add(file);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
file1.setText(0);
file2.setText(0);
file3.setText(0);
validate();
button1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ON=1; //开始，暂停控制开关
}
}); //开始按钮
button2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
ON=0;
}
}); //暂停按钮
button3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
R=1; //清零控制开关
}
}); //清零按钮
button4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
count=1; //记录控制开关
a=String.valueOf(i);
b=String.valueOf(j);
c=String.valueOf(k);
}
}); //记录按钮
button5.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
file.
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