java jlist双击事件_JAVA事件----JList事件响应

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//JList事件响应:-----------------采用内隐类实现事件响应

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

class TestJListAction {

JFrame frame;

Container contentPane;

JList list1;

JLabel label1;

String colorname[]={"red","blue","black","yellow"};

Color colors[]={Color.red,Color.blue,Color.black,Color.yellow};

public TestJListAction()

{

JFrame frame=new JFrame("测试列表框");

contentPane=frame.getContentPane();

contentPane.setLayout(new FlowLayout());

list1=new JList(colorname);

list1.setVisibleRowCount(3);

list1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

contentPane.add(new JScrollPane(list1));

label1=new JLabel("颜色");

contentPane.add(label1);

list1.addListSelectionListener

(

new ListSelectionListener()

{

public void valueChanged(ListSelectionEvent e)

{

label1.setText(list1.getSelectedValue().toString());

label1.setForeground(colors[list1.getSelectedIndex()]);

}

}

);

frame.setSize(300,300);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.show();

}

public static void main(String[] args) {

TestJListAction myframe=new TestJListAction();

}

}