jlistdemo.java

精通JBuilder2006 源代码 精通JBuilder2006 源代码

package chapter6.component;

import java.awt.*;
import javax.swing.*;

public class JListDemo extends JFrame {

    public JListDemo() {
        Container contentPane = this.getContentPane();
        JPanel jPanel1 = new JPanel(new GridLayout(1, 2));
        //利用String数组建立JList对象
        String[] fruit = {"苹果", "香蕉", "桔子", "梨", "芒果"};
        JList jList1 = new JList(fruit);
        jList1.setBorder(BorderFactory.createTitledBorder("您最喜欢的水果："));
        jList1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        jPanel1.add(jList1);
        //利用ListModel建立JList对象
        ListModel myModel = new MyModel();
        JList jList2 = new JList(myModel);
        jList2.setBorder(BorderFactory.createTitledBorder("您最喜欢的水果："));
        jList2.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
        jPanel1.add(jList2);
        contentPane.add(jPanel1);
        this.setTitle("JListDemo");
        this.setSize(300, 200);
        this.setLocation(400, 400);
        this.setVisible(true);
    }

    class MyModel extends DefaultListModel {
        String[] fruit = {"苹果", "香蕉", "桔子", "梨", "芒果"};
        MyModel() {
            for (int i = 0; i < fruit.length; i++) {
                this.addElement(fruit[i]);
            }
        }
    }

    public static void main(String[] args) {
        JListDemo test = new JListDemo();
    }
}