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【Java】 Java JList使用

作者:棒棒 / 发布于2016/11/22/ 592

import Java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Vector;
public class Chap23_2 {
static JFrame frm=new JFrame("Jlist demo");
static Container cp=frm.getContentPane();
static JList list1=new JList();
static JList list2=new JList();
static String s[]={"RED","GREEN","BLUE","PINK","YELLOW","CYAN","GRAY"};
static Vector<String> v=new Vector<String>();

public static void main(String args[])
{
    cp.setLayout(new GridLayout(1,2));
    cp.add(new JScrollPane(list1));
    cp.add(new JScrollPane(list2));
    list1.setListData(s);
    list1.addMouseListener(new MouseLis());
    frm.setSize(200, 155);
    frm.setVisible(true);
}
static class MouseLis extends MouseAdapter
{
public void mouseClicked(MouseEvent e)
{
 if(e.getSource()==list1)
 if(e.getClickCount()==2)
 {
 int index=list1.getSelectedIndex();
 String str=s[index];
 v.add(str);
 list2.setListData(v);
 }
 }
}

}

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