petstore1.3是一个集客户购物，下订单，管理一体的例子！
Petstore1.3划分成了多个模块，松耦合的设计架构，允许可以和多个数据源，EIS进行交互。这个例子，分成4个部分：
•web购物站点
•管理
看销售统计，手工接受/拒绝订单，界面也是个web应用
•订单处理
通过JMS接受/处理订单消息（xml的）
用java mail来通知客户
通过JMS发订单给供应商
为何订单数据库
•供应商
通过JMS接受订单
派送货物给用户
提供一个基于web的库存管理
维护库存数据库

1.1 系统架构统览
1.2 宠物店网上商店
1.2.1 宠物店走一遭
1.2.1.1 开始窗口
1.2.1.2 欢迎窗口
1.2.1.3 种类窗口（Category Screen）
1.2.1.4 货架/产品窗口
1.2.1.5 货物item窗口
1.2.1.6 购物车窗口
1.2.1.7 登陆窗口
1.2.1.8 账户信息窗口
1.2.1.9 订单信息窗口
1.2.1.10 订单完成窗口
1.2.2 概要，高层设计吧，我有何选择？
1.2.3 宠物店的结构
1.2.4 宠物店网站的结构
1.2.5 宠物店模块设计
1.2.6 各个模块的设计方面的深入
1.2.6.1 控制模块
1.2.6.2 用户登陆，和客户登记模块
1.2.6.3 异步消息模块
1.2.6.4 货架目录模块
1.2.6.5 客户模块(CustomerModule)
1.2.6.6 1 购物车模块
1.2.7 宠物店的组件 这里仅仅总结一下宠物店用到的各种组件和文件类型：
1.2.7.1 宠物店的EJB
1.2.7.2 宠物店的JSP页面
1.2.7.3 宠物店的过滤器(filter)
1.2.7.4 宠物店的xml文件
1.2.7.5 异步信息发送
1.2.7.6 数据产生Servlet
1.3 资源和引用

· The "BluePrints book" referenced in this chapter is:
Designing Enterprise Applications with the Java 2, Enterprise Edition, 2/e
Inderjeet Singh, Beth Stearns, Mark Johnson, and the Enterprise Team
ISBN: 0201787903
· The J2EE patterns book referenced in this chapter is:
Core J2EE Patterns
Deepak Alur, John Crupi, Dan Malks
ISBN: 0130648841
· J2EE Design Pattern references (login required):
o Data Access Object-
http://developer.java.sun.com/developer/restricted/patterns/DataAccessObject.html
o Front Controller-
http://developer.java.sun.com/developer/restricted/patterns/FrontController.html
o Intercepting Filter (also known as Decorating Filter)-
http://developer.java.sun.com/developer/restricted/patterns/DecoratingFilter.html
o Transfer Object (previously known as Value Object)-
http://developer.java.sun.com/developer/restricted/patterns/ValueObject.html
· For more on the tradeoffs involved in using a Web-tier application framework, see "Web-Tier Application Framework Design" in the Web Tier chapter of BluePrints book.
· For more on servlet filters, see "Java Servlet Technology" in the J2EE Tutorial:
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/Servlets.html
· To find out about Front Controllers, see "Web-Tier MVC Controller Design" in the BluePrints book. See also the Front Controller design pattern in Core J2EE Patterns.
· Details about the template mechanism of the pet store Web site are explained in the section "Templating" in the Web Tier chapter of the BluePrints book.