jlistdemo.java

Swing入门必看 Swing Demo

package components;

import java.awt.BorderLayout;
import java.awt.Container;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;

public class JListDemo extends JFrame {

	public JListDemo() {
		Student[] students = new Student[9];
		Vector<Student> vector = new Vector<Student>();
		
		for (int i = 0; i < students.length; i++) {
			students[i] = new Student("yiyi" + i, 20 + i);
			vector.add(students[i]);
		}	
		JList list = new JList(vector);
		
		
		
		JLabel label = new JLabel();
		list.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
		list.setVisibleRowCount(6);
		list.setSelectedIndex(3);
		list.setSelectedIndex(4);
		int[] a = {5,6,1,2,3};
		list.getSelectedIndices();
		list.setSelectedIndices(a);
		label.setText("" + list.getVisibleRowCount() + " "+ list.getSelectedIndex());
		list.setFixedCellWidth(100);
		list.setFixedCellHeight(80);
		Container container = getContentPane();
		container.setLayout(new BorderLayout());
		container.add(new JScrollPane(list));
//		container.add(label);
		setSize(400,400);
		setVisible(true);
	}

	public static void main(String[] args) {
		JListDemo application = new JListDemo();
		application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

}