复旦大学：《面向对象分析和设计》课程资料_AntiPattern_1.JSP J2EE Refactoring Patterns/AntiPatterns

Slides before 1st Section Di IvIder Too Much Cod >Beanify Embedded Unused Navigational Information-> Section Cop Space 1

Slides before 1st Section Divider Too Much Code - >Beanify Ignoring Reality-> Introduce Error Page Unused Section Space 1 Embedded Navigational Information-> Introduce Traffic Cop Unused Section Space 2 Unused Section Space 3 Copy and Paste JSP-> Introduce Template - >Introduce Delegate Controller

JSP J2EE Refactoring Patterns/AntiPatterns 徐迎晓 复日大学软件学院 Ⅺ yanGtao@126.cm

JSP J2EE Refactoring Patterns/AntiPatterns 徐迎晓 复旦大学软件学院 xuyingxiao@126.com

e Customer account ElectronicBill e CustomerInfo Screeen e ScheduleRecurringPayment Screen

Customer Account ElectronicBill CustomerInfoScreeen ScheduleRecurringPaymentScreen

AntiPattern--lgnoring Reality Welcome To This Page /head> Welcome it's stimer. now)

AntiPattern--Ignoring Reality

Stack Trace Error Page Catch block Request Render SP Browser Web Container (SP/Servlet Engine (Template Text Java Code Response Send response

Refactoring Introduce Error Page An unexpected condition has occurred. Please back up and try your request again

Refactoring—— Introduce Error Page

java. lang Throwable error. jsp

AntiPattern-Too Much code 在构建JS尸时,重点应当是编写用户界面,而不 是编写应用

AntiPattern--Too Much Code 在构建JSP时，重点应当是编写用户界面，而不 是编写应用

Refactoring ● Beatify e Introduce Delegate Controller e Introduce Traffic Cop

Refactoring Beanify Introduce Delegate Controller Introduce Traffic Cop

Refactoring Beanie

Refactoring-- Beanify