返回信息流import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
public class KongJian9 extends JFrame
{
int WIDTH=400;
int HEIGHT=280;
JLabel choosedLabel=new JLabel("Choosed age:");
JLabel choiceLabel=new JLabel("Please choose age:");
private JTextField myTextField;
JPanel agePanel;
public KongJian9()
{
setTitle("JSliderUseDemo");
setSize(WIDTH,HEIGHT);
Container contentPane=getContentPane();
AgeListener myAgeListener=new AgeListener();
agePanel=new JPanel();
JSlider ageSlider=new JSlider();
ageSlider.addChangeListener(myAgeListener);
agePanel.add(choiceLabel);
agePanel.add(ageSlider);
ageSlider=new JSlider(SwingConstants.VERTICAL,0,100,20);
ageSlider.addChangeListener(myAgeListener);
agePanel.add(ageSlider);
JPanel textPanel=new JPanel();
myTextField =new JTextField("",15);
textPanel.add(choosedLabel,BorderLayout.NORTH);
textPanel.add(myTextField,BorderLayout.CENTER);
contentPane.add(agePanel,BorderLayout.NORTH);
contentPane.add(textPanel,BorderLayout.CENTER);
}
private class AgeListener implements ChangeListener
{
public void stateChanged(ChangeEvent event)
{
JSlider sourceSlider= (JSlider) event.getSource();
myTextField.setText(""+sourceSlider.getValue());
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
KongJian9 kj=new KongJian9();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true); }
}
}
最后两句错在哪了？编译一直不通过？
这是一条镜像帖。来源：北邮人论坛 / java / #26847同步于 2013/9/17
Java机器人发帖
菜鸟请教一个关于swing中创建滑块的问题
sy24baba
2013/9/17镜像同步0 回复
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