JComBox的使用

package JComBox;


import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.GridLayout;


import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.Border;


public class ChoosePortFrame extends JFrame {
	
	private JLabel lable = new JLabel("选择水果");
	private JComboBox cb = new JComboBox();
	private JButton button = new JButton("OK");
	private JPanel panel1 = new JPanel();
	private JPanel panel2 = new JPanel();
	
	
	public ChoosePortFrame() {
		 String[] fruit = {"水果","苹果","葡萄","香蕉","橘子","水果","苹果","葡萄","香蕉","橘子"};
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setSize(400,300);
		GridLayout grid = new GridLayout(2, 1);
		setLayout(grid);
		
		FlowLayout flow = new FlowLayout();
		panel1.setLayout(flow);
		panel1.add(lable);
		add(panel1);
		
		FlowLayout flow2 = new FlowLayout();
		panel2.setLayout(flow2);
		panel2.add(cb);
		panel2.add(button);
		cb.addItem(fruit[0]);
		cb.addItem(fruit[1]);
		cb.addItem(fruit[2]);
		cb.addItem(fruit[3]);
		cb.addItem(fruit[4]);
		cb.addItem(fruit[5]);
		cb.addItem(fruit[6]);
		cb.addItem(fruit[7]);
		cb.addItem(fruit[8]);
		
		add(panel2);
		
		setVisible(true);
	}
	public static void main(String[] args) {
		ChoosePortFrame frame = new ChoosePortFrame();
	}
	
}