Drop down box jcombobox, list box JList, scroll pane JScrollPane

From , 5 Years ago, written in Java, viewed 230 times.

/**
 *功能：下拉框JComboBox,列表框 JList ,滚动窗格JScrollPane
 */
 
package com.jiemian;
import java.awt.*;
import javax.swing.*;
 
public class Text7 extends JFrame{
 
        JPanel jp1,jp2;
        JLabel jl1,jl2;
        JComboBox jcb;
        JList jlist;
        JScrollPane jsp;
        public static void main(String[] args) {
                
                Text7 text7=new Text7();
 
        }
        
        public Text7(){
                
                //创建组件
                jp1=new JPanel();
                jp2=new JPanel();
                
                jl1=new JLabel("你的籍贯");
                jl2=new JLabel("旅游地点");
                
                String []jg={"贺州","南宁","柳州","桂林","钦州","火星"};
                jcb=new JComboBox(jg);
                
                String []dd={"九寨沟","天安门","故宫","长城","尧山","张家界"};
                jlist =new JList(dd);
                jlist.setVisibleRowCount(3);
                jsp=new JScrollPane(jlist);
                
                //设置布局管理器
                this.setLayout(new GridLayout(2, 1));
                
                //添加组件
                jp1.add(jl1);
                jp1.add(jcb);
                
                jp2.add(jl2);
                jp2.add(jsp);
                
                this.add(jp1);
                this.add(jp2);
                
                //设置窗体属性
                this.setSize(300, 200);
                this.setTitle("用户调查");
                this.setIconImage((new ImageIcon("images\\head_boy.jpg")).getImage());
                this.setLocation(300, 300);
                this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                this.setVisible(true);
                
                
                
                
                
        }
 
}
 

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/**
 *功能：下拉框JComboBox,列表框 JList ,滚动窗格JScrollPane
 */

package com.jiemian;
import java.awt.*;
import javax.swing.*;

public class Text7 extends JFrame{

JPanel jp1,jp2;
	JLabel jl1,jl2;
	JComboBox jcb;
	JList jlist;
	JScrollPane jsp;
	public static void main(String[] args) {
		
		Text7 text7=new Text7();

}
	
	public Text7(){
		
		//创建组件
		jp1=new JPanel();
		jp2=new JPanel();
		
		jl1=new JLabel("你的籍贯");
		jl2=new JLabel("旅游地点");
		
		String []jg={"贺州","南宁","柳州","桂林","钦州","火星"};
		jcb=new JComboBox(jg);
		
		String []dd={"九寨沟","天安门","故宫","长城","尧山","张家界"};
		jlist =new JList(dd);
		jlist.setVisibleRowCount(3);
		jsp=new JScrollPane(jlist);
		
		//设置布局管理器
		this.setLayout(new GridLayout(2, 1));
		
		//添加组件
		jp1.add(jl1);
		jp1.add(jcb);
		
		jp2.add(jl2);
		jp2.add(jsp);
		
		this.add(jp1);
		this.add(jp2);
		
		//设置窗体属性
		this.setSize(300, 200);
		this.setTitle("用户调查");
		this.setIconImage((new ImageIcon("images\\head_boy.jpg")).getImage());
		this.setLocation(300, 300);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setVisible(true);
		
		
		
		
		
	}

}

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Drop down box jcombobox, list box JList, scroll pane JScrollPane

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