java Swing 之下拉列表控件

/**
 * Java Swing 之下拉列表控件
 * @author gao
 */
package com.gao;

import java.awt.FlowLayout;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

public class JComboBoxDemo extends JFrame{
	public JComboBoxDemo(){
		this.setTitle("下拉列表框使用");
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setBounds(100,100,250,100);
		JPanel contentPane=new JPanel();
		contentPane.setBorder(new EmptyBorder(5,5,5,5));
		this.setContentPane(contentPane);
		contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5));
		JLabel label=new JLabel("证件类型:");
		contentPane.add(label);
		JComboBox comboBox=new JComboBox();
		comboBox.addItem("身份证");
		comboBox.addItem("驾驶证");
		comboBox.addItem("军官证");
		contentPane.add(comboBox);
		this.setVisible(true);
	}
    public static void main(String[]args){
    	JComboBoxDemo example=new JComboBoxDemo();
    }
}

java Swing 之下拉列表控件,布布扣,bubuko.com