无界面电话查询系统 operate 是操作类 专门是数据维护的 server是服务器 client是客户端 person是个人信息类 logo产生登陆图片 先operate在文件里面按提

				
				   import java.awt.*;
				   import javax.swing.*;
				
				   public class Logo extends JWindow {
				   
				      public Logo() {
				     
				         JPanel panel = 
				            new JPanel() {
				            
				               public void paintComponent(Graphics g) {
				              
				            	  ;
				                ImageIcon img = new ImageIcon("images/wt.jpg");
				              
				                  g.drawImage(img.getImage(), 0, 0, null);
				                  super.paintComponent(g);
				               }
				            };
				         panel.setOpaque(false);
				      
				       //  panel.setBorder(BorderFactory.createEtchedBorder());
				      
				         setContentPane(panel);
				      
				         setSize(312,346);
				         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
				         setLocation((screenSize.width - getSize().width)/2,(screenSize.height-getSize().height) / 2);
				         setVisible(true);
				      }
				      public static void main(String[] arg){
				      	new Logo();
				      }
				   }