精通Spring MVC：构建健壮的Web应用

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"《精通Spring MVC》是一本详细介绍Spring MVC框架的专业书籍，由Marten Deinum、Koen Serneels、Colin Yates、Seth Ladd和Christophe Vanfleteren共同撰写，Spring WebFlow项目的创始人Erwin Vervaet作序。这本书共有590页，并附带所有源代码下载，旨在帮助读者深入理解并熟练掌握Spring MVC框架，同时也涉及到了Web Flow的相关内容。" Spring MVC是Spring框架的一个核心模块，专门用于构建Web应用程序的模型-视图-控制器（MVC）架构。它以其灵活性、高效性和易于配置而受到开发者的广泛欢迎，特别是在Struts2框架出现安全问题后，Spring MVC成为了许多开发团队的首选。书中详细介绍了Spring MVC的各个关键组件和工作原理，包括DispatcherServlet的职责、ModelAndView对象的使用、控制器的实现方式（如Controller接口和@Controller注解）、视图解析器的配置、数据绑定和验证机制、国际化与主题支持等。此外，Spring MVC还支持RESTful Web服务的开发，使得构建基于HTTP的API变得简单。 Web Flow是Spring框架的一个扩展，专注于管理用户交互流程。它允许开发者定义和控制用户在应用中的导航路径，支持状态管理和回退功能。通过Web Flow，可以创建复杂的动态页面交互，而不仅仅是简单的请求-响应模式。书中会讲解如何集成Spring MVC与Web Flow，以及如何定义和管理Web Flow状态，包括转换和动作、事件处理、视图状态等。除了理论知识，作者们还提供了大量实际案例和最佳实践，帮助读者将所学应用于实际项目。这包括如何利用Spring的依赖注入（DI）和面向切面编程（AOP）来简化代码，以及如何使用Spring的测试框架进行单元测试和集成测试。《精通Spring MVC》是学习和提升Spring MVC技能的宝贵资源，尽管是英文版，但借助翻译工具和自身的编程经验，读者完全能够理解和应用书中的知识，提升Web应用开发的能力。

 CONTENTS

xiv

 Chapter 13: Spring Security................................................................................477

Introducing Security ......................................................................................................478

What Is Application Security?............................................................................................................... 478

General Security Principles .................................................................................................................. 478

What We Will Cover .............................................................................................................................. 479

Preparing the Example Application................................................................................480

Securing Our Bookstore.................................................................................................482

Adding the Right Dependencies ........................................................................................................... 482

Enabling Spring Security ...................................................................................................................... 484

Defining Which Resources to Secure ................................................................................................... 489

Configuring Access to Resources......................................................................................................... 490

Configuring Authentication................................................................................................................... 494

Putting It All Together........................................................................................................................... 497

The Complete Security Configuration................................................................................................... 503

Going to the Database ...................................................................................................504

Securing Our Flows, the Right Way ...............................................................................506

Adding Access Attributes to Your Flows............................................................................................... 507

Configuring the SecurityFlowExecutionListener................................................................................... 508

Transport Security .........................................................................................................510

Localization....................................................................................................................516

Role-Based Access Control............................................................................................517

Authorizing Access ........................................................................................................523

Using Tag Libraries in Our Pages ......................................................................................................... 523

Using Annotations in Our Code............................................................................................................. 531

Summary .......................................................................................................................533

 Appendix: Cloud Foundry: Deploying to the Cloud.............................................535

Cloud Computing ...........................................................................................................535

xvi

Foreword

I still remember first learning about the Spring framework back in 2004. I had been using J2EE and Struts

heavily, and had struggled with many difficulties in effectively using those technologies while building

Java enterprise applications. Instead of trying to do away with J2EE altogether, Spring tried to make

using J2EE drastically simpler and more productive by offering a large collection of best practice

implementations and an inversion of control container gluing it all together. An exciting proposition

indeed!

While in general Spring did not try to reinvent the wheel by providing solutions competing with

existing parts of J2EE or other established frameworks (notably Hibernate), there was one important

exception to this rule: web application development. Spring shipped with its own web framework,

Spring MVC, a fully functional web application framework that can serve as a direct alternative to

something like Struts. At the time, I saw further opportunity to enhance Spring-based web application

development by adding a page flow component to Spring MVC called Spring Web Flow. Spring MVC and

Spring Web Flow are the prime subjects of this book.

The design of Spring MVC benefited from the lessons learned working with earlier frameworks.

Flexibility and long-term productivity were core design goals. Well-designed Spring MVC applications

can grow and change while remaining manageable and maintainable. Still, all was not good. Many

found the initial learning curve when adopting Spring, and more specifically Spring MVC, too steep. New

frameworks such as Ruby on Rails popped up and focused on short term-productivity and making it very

easy to get up-and-running. The Spring developer community recognized this shortcoming, and the

recent 3.0 and 3.1 releases of Spring MVC have largely addressed it: extensive use of convention-over-

configuration and annotations have made the framework easer to use than ever, as this book will

demonstrate! It is a real testament to the flexibility and design quality of Spring MVC that all of this has

been possible while remaining 100% backward-compatible. You now have a framework offering the best

of both worlds: easy to get started with while the fundamental principles underpinning it all pay

dividends in the long term. Spring Web Flow is currently undergoing a similar evolution.

Since 2004, Spring MVC and Spring Web Flow have seen a steady and continued increase in

popularity. They are now mature and well established Java development frameworks. If you build a Java

web application on top of these frameworks, you can rest assured that you are building on a very solid

foundation!

In this book, Marten and Koen take a practical approach to introducing Spring MVC and Spring

Web Flow. Of course, they help you in setting up a productive development environment and guide you

while getting started developing with Spring MVC and Web Flow. But they don't stop there. I really

appreciate how they did not simply cover the technical details, but took the time to explain many of the

underlying concepts, bringing a deeper understanding to you, the reader. Furthermore, the book also

covers other important topics such as enforcing security constraints and making sure your web

applications are well tested. After having read this book you should be well prepared to develop real-life

web application based on Spring technologies.

剩余589页未读，继续阅读

tearon

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