onlinepanel.java

该文件在eclipse环境上运行

package chat.client;

import java.awt.*;
import javax.swing.*;

public class OnlinePanel extends JPanel{
	static int width = 200;
	static int height = 300;
	JComboBox users;
	JButton qunLiao;
	JButton siLiao;
	
	public OnlinePanel(){
		this.setSize(width, height);
		users = new JComboBox();
		qunLiao = new JButton("群聊");
		siLiao = new JButton("私聊");
		this.setLayout(null);
		JLabel l1 = new JLabel("欢迎进入聊天室");
		JLabel l2 = new JLabel("在线用户");
		JLabel l3 = new JLabel("选择用户单独聊天请点击'私聊'");
		this.add(l1);
		this.add(l3);
		this.add(l2);
		this.add(users);
		this.add(siLiao);
		this.add(qunLiao);
		qunLiao.setSize(80, 30);
		siLiao.setSize(60, 30);
		l1.setSize(140, 30);
		l3.setSize(180, 30);
		l2.setSize(65, 30);
		users.setSize(70, 30);
		l1.setLocation(30, 20);
		l3.setLocation(10, 70);
		l2.setLocation(0, 110);
		users.setLocation(60, 110);
		siLiao.setLocation(135, 110);
		qunLiao.setLocation(60, 170);
	}
	public int getWidth(){
		return width;
	}
	
	public int getHeight(){
		return height;
	}
}