JComboBox,JList

/**
 * 作者：
 * 日期：2013-11-19
 * 功能：JComboBox列表框 JList下拉框
 */
package com.ch;

import java.awt.*;

import javax.swing.*;

public class Demo10 extends JFrame{

	//定义使用的组件
	JPanel jp1,jp2;
	JLabel jl1,jl2;
	JComboBox jcb1;
	JList jlist;
	JScrollPane jsp;
	
	public Demo10(){
		
		jp1 = new JPanel();
		jp2 = new JPanel();
		jl1 = new JLabel("籍贯");
		jl2 = new JLabel("旅游地点");
		
		String []nation = {"北京","上海","深圳","广州"};
		jcb1 = new JComboBox(nation);
		String []trival = {"地点1","地点2","地点3","地点4"};
		jlist = new JList(trival);
		jlist.setVisibleRowCount(2);//设置列表显示的行数
		jsp = new JScrollPane(jlist);//设置滚动条
		
		jp1.add(jl1);
		jp1.add(jcb1);
		jp2.add(jl2);
		jp2.add(jsp);
		
		this.setLayout(new GridLayout(2,1));
		
		this.add(jp1);
		this.add(jp2);
		
		//设置JFrame属性
		this.setTitle("JComboBox,JList");
		this.setSize(300,150);
		this.setResizable(false);
		this.setLocation(300,300);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setVisible(true);
	}
	
	public static void main(String[] args) {
		new Demo10();
	}
}