些程序用java实现一个装机程序,不过是一个C/S架构,但是在数据库的设计方面与3层架构的构造方案我想对一些朋友还是否有一定的帮助吧

				package pcdiysystem.Panel;
				
				import java.awt.*;
				import javax.swing.*;
				import java.awt.BorderLayout;
				import java.lang.Integer;
				import pcdiysystem.Panel.ComponentListPanel;
				import pcdiysystem.Panel.ProjectPanel;
				
				/**
				 * Title: 自助装机系统
				 *
				 * Description: 
				 *
				 * Copyright: Copyright (c) 2006
				 *
				 * Company: 
				 *
				 * @author kamiiiyu
				 * @version 1.0
				 */
				public class DIYPanel
				    extends JPanel {
				  BorderLayout borderLayout1 = new BorderLayout();
				  JSplitPane sppDIY=new JSplitPane();
				  ComponentListPanel pnlLeft=new ComponentListPanel();
				  ProjectPanel pnlRight=new ProjectPanel(pnlLeft);
				
				  public DIYPanel() {
				    try {
				      jbInit();
				    }
				    catch (Exception exception) {
				      exception.printStackTrace();
				    }
				  }
				
				  private void jbInit() throws Exception {
				    pnlLeft=new ComponentListPanel(pnlRight);
				    this.setLayout(borderLayout1);
				    sppDIY.setDividerLocation((int)(800*0.6));
				    //sppDIY.setDividerLocation(0.5);
				    //sppDIY.add(pnlLeft,sppDIY.LEFT);
				    //sppDIY.add(pnlRight,sppDIY.RIGHT);
				    this.add(sppDIY, java.awt.BorderLayout.CENTER);
				  }
				}