java进度条问题
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JProgressBar;
public class TestJprogressBar extends Thread implements ActionListener {
private JProgressBar jpb = new JProgressBar(JProgressBar.HORIZONTAL, 0, 100);
public TestJprogressBar() {
JFrame jf = new JFrame("进度条/线程");
jf.setLayout(new FlowLayout());
JButton jb = new JButton("点击开始计时");
jb.addActionListener(this);
jpb.setBorderPainted(true);
jpb.setBackground(Color.PINK);
jpb.setStringPainted(true);
jf.add(jpb);
jf.add(jb);
jf.setSize(320, 160);
jf.setLocation(100, 100);
jf.setVisible(true);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new TestJprogressBar();
}
public void actionPerformed(ActionEvent e) {
this.start();
}
public void run() {
for (int i = 0; i <= 100; i++) {
jpb.setString("正在安装" + i + "%");
jpb.setValue(i);
try {
Thread.sleep(100);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
这是进度条代码,那么我有一个方法getInformation(),这个方法将处理复杂的后台程序,用时比较长,在这个方法运行的时候我想用进度条在界面显示这个程序的进度,请问进度条代码怎么用在这个方法中!谢谢!