loginpanel.java

该文件在eclipse环境上运行

package chat.client;

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

public class LoginPanel extends JPanel{
	static int width = 300;
	static int height = 200;
	JTextField loginName;
	JPasswordField passwd;
	JButton ok;
	
	public LoginPanel(){
		this.setSize(width, height);
		this.setLayout(null);
		loginName = new JTextField();
		passwd = new JPasswordField();
		ok = new JButton("登录");
		JLabel l1 = new JLabel("用户名");
		JLabel l2 = new JLabel("密码");
		JPanel p = new JPanel();
		p.setLayout(new GridLayout(2, 2, 0, 10));
		p.add(l1);
		p.add(loginName);
		p.add(l2);
		p.add(passwd);
		p.setSize(200, 70);
		ok.setSize(80, 30);
		this.add(p);
		this.add(ok);
		p.setLocation(50, 20);
		ok.setLocation(110, 120);
	}
	public int getWidth(){
		return width;
	}
	
	public int getHeight(){
		return height;
	}
}