javaGui--comboBox、scrollPane 组件 (原创)

如题，本篇我们介绍下javaGui中下拉框、滚动条组件 。

用户调查--窗体

package com.tingcream.javaGui.component;

import java.awt.GridLayout;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;


/**
 * javaGui
 *  下拉框、滚动条 组件 
 *  
 * @author jelly
 *
 */
public class _03_combobox_scrollPane  extends JFrame{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	JPanel panel1,panel2;//面板1 2 
	JLabel label1,label2;//标签1 2
	JComboBox<String> comboBox;//下拉框
	
	JList<String> jList;//
	JScrollPane scrollPane;//滚动条
	
	public static void main(String[] args) {
		 new _03_combobox_scrollPane();
	}
	
	public _03_combobox_scrollPane(){
		panel1=new JPanel();
		panel2=new JPanel();
		
		label1=new JLabel("籍贯");
	    label2=new JLabel("学历");
	    
	    String[] jg={"北京","天津","上海","重庆"};
	    comboBox=new JComboBox<String>(jg);
	    
	    
	    
	    String[] xl={"高中","大专","本科","硕士","博士"};
	    jList=new JList<String>(xl);
	    jList.setVisibleRowCount(3);
	     
	    scrollPane=new JScrollPane(jList);
	    
	    this.setLayout(new GridLayout(2,1));
	    
	    panel1.add(label1);  panel1.add(comboBox); 
		panel2.add(label2);  panel2.add(scrollPane);  
		
		
		this.add(panel1);	 this.add(panel2);
		
		 this.setTitle("用户调查");
		 this.setSize(350,200);
		 this.setLocation(300,280);
		 this.setResizable(false);
		 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		 this.setVisible(true);	
		
		
	}
}

聊天程序--窗体

package com.tingcream.javaGui.component;

import java.awt.BorderLayout;
 
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 * javaGui 
 * 下拉框、 滚动条 组件
 * @author jelly
 *
 */
public class _04_combobox_scrollPane extends JFrame{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	public JTextArea textArea;
	public JPanel panel;
	public JComboBox<String> combobox;
	public JButton button;
	public JTextField textField;	
	public JScrollPane scrollPane;
	
	public static void main(String[] args) {
		new _04_combobox_scrollPane();
	}
	
	public _04_combobox_scrollPane(){
		textArea=new JTextArea();
		panel=new JPanel();
		String[] ss={"小明","小红","小兰","小李"};
		combobox=new JComboBox<String>(ss);
		textField=new JTextField(10);
		button=new JButton("发送");
		scrollPane=new JScrollPane(textArea);
		
		
		panel.add(combobox);   panel.add(textField);   panel.add(button);		
		this.add(scrollPane);  //中部  
		this.add(panel,BorderLayout.SOUTH);//南部
		
		this.setTitle("聊天程序");
		 this.setSize(350,200);
	 
		 this.setLocation(300,280);
		 this.setResizable(false);
		 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		 this.setVisible(true);	
	}
}