📄 listframe.java
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package control;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ListFrame extends JFrame {
JPanel contentPane;
JScrollPane jScrollPane1 = new JScrollPane();
JList jList1 = new JList();
public ListFrame() {
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}
private void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
contentPane.setLayout(null);
this.setSize(new Dimension(400, 300));
this.setTitle("List示例");
jScrollPane1.setBounds(new Rectangle(80, 37, 240, 190));
jScrollPane1.getViewport().add(jList1, null);
//创建列表框的数据类
DefaultListModel listData = new DefaultListModel();
//设置列表框的数据源
jList1.setModel(listData);
//为列表框添加数据
for(int i = 1; i < 21; i++){
listData.addElement(new String("内容" + i));
}
contentPane.add(jScrollPane1, null);
}
protected void processWindowEvent(WindowEvent e) {
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
}
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