testjprogressbar.java

JAVA初学者的小程序

import javax.swing.*;
public class testJProgressBar extends JFrame{
private JPanel jPanel1;
private JProgressBar jProgressBar1;

public testJProgressBar(){
super("testJProgressBar");
setSize(300,100);
jPanel1=new JPanel();

jProgressBar1=new JProgressBar(JProgressBar.HORIZONTAL,0,1000);
jProgressBar1.setValue(0);
jProgressBar1.setStringPainted(true);
jProgressBar1.setBorderPainted(true);
jPanel1.add(jProgressBar1);
this.setContentPane(jPanel1);
}

public void progressRun(){
int progressNum=0;
while(progressNum<=1000){
jProgressBar1.setValue(progressNum);
try{

Thread.sleep(1000);
}

catch (Exception e){}
progressNum=progressNum+50;
}
}

public static void main(String[] args){
testJProgressBar tp= new testJProgressBar();
tp.show();
tp.progressRun();
}
}