MVVM模式打造企业级WPF/Silverlight应用

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《企业级应用开发：Windows Presentation Foundation与模型视图视图模型模式》是一本深入探讨MVVM（Model-View-ViewModel）设计模式在构建企业级应用程序中的优秀指南。作者Raffaele Garofalo专著此书，得到了Microsoft Corporation的授权，由O'Reilly Media出版。该书针对WPF（Windows Presentation Foundation）和Silverlight平台，详细阐述了如何利用MVVM架构来提高代码组织、组件重用以及用户界面的分离。 MVVM是一种在Windows应用程序开发中流行的设计模式，它强调模型（Model）、视图（View）和视图模型（ViewModel）之间的职责划分。模型负责数据逻辑和业务规则，视图负责用户界面的呈现，而视图模型则作为两者之间的桥梁，将数据绑定到UI元素，同时处理用户输入和状态管理。这种模式有助于降低复杂性，提高代码的可维护性和测试性。书中可能会包含以下核心内容： 1. MVVM模式的基础概念和原则：解释模式背后的理论基础，为何在企业级应用中选择这种模式，以及它如何促进团队协作和项目扩展。 2. 实战示例：通过具体的代码片段展示如何在WPF或Silverlight项目中实现MVVM，包括如何创建和使用ViewModel类、如何设置数据绑定、命令和通知机制等。 3. 模型设计：讨论如何设计高效的数据模型，确保数据的完整性和一致性，并支持复杂的业务逻辑。 4. 视图设计：讲解如何设计直观、响应式的用户界面，以及如何优化性能和用户体验。 5. 视图模型实现策略：介绍如何编写和组织ViewModel，如何处理数据校验、错误处理以及状态管理等问题。 6. 性能优化与最佳实践：提供针对大型企业应用的性能调优建议，以及如何避免常见的陷阱和问题。 7. 跨平台支持：由于提到的Silverlight可能已不再活跃，书中可能还会涉及如何在现代Windows平台如UWP或者使用.NET Core进行跨平台MVVM开发。 8. 现代化开发工具和框架：如果适用，书中可能还会讨论如何结合最新的开发工具和框架（如.NET Core、MvvmCross等）来进一步简化开发过程。《企业级应用开发：Windows Presentation Foundation与模型视图视图模型模式》是一本值得开发者参考的书籍，无论你是WPF或Silverlight的老手还是新入行者，都能从中受益匪浅，提升企业级应用程序的设计和开发能力。

 xv

Conventions and Features in

This Book

This book presents information using conventions designed to make the information readable and

easy to follow

In most cases, the book includes separate exercises for Visual Basic programmers and Visual C#

programmers You can skip the exercises that do not apply to your selected language

n

Boxed elements with labels such as “Note” provide additional information or alternative

methods for completing a step successfully

n

Text that you should type (apart from code blocks) appears in bold

n

A plus sign (+) between two key names means that you must press those keys at the same

time For example, “Press Alt+Tab” means that you hold down the Alt key while you press the

Tab key

n

A vertical bar between two or more menu items (for example, File | Close), means that you

should select the rst menu or menu item, then the next, and so on

SystemRequirements

You will need the following hardware and software to work with the code and examples in this

book:

n

Any of the following operating systems: Windows XP with Service Pack 3 (except Starter Edi-

tion), Windows Vista with Service Pack 2 (except Starter Edition), Windows 7, Windows Server

2003 with Service Pack 2, Windows Server 2003 R2, Windows Server 2008 with Service Pack

2, or Windows Server 2008 R2

n

Visual Studio 2010, any edition (multiple downloads might be required if using Express Edi-

tion products)

n

SQL Server 2008 Express Edition or higher (2008 or R2 release), with SQL Server Management

Studio 2008 Express or higher (included with Visual Studio, Express Editions require separate

download)

n

16 GHz or faster processor (2 GHz recommended)

n

1 GB (32-Bit) or 2 GB (64-Bit) RAM (Add 512 MB if running in a virtual machine or SQL Server

Express Editions; more for advanced SQL Server editions)

n

35 GB of available hard disk space

www.it-ebooks.info

xviii

Acknowledgments

When you are the sole author of a book, you are indelibly associated with that book’s merits;

in fact, this is one of the reasons many people want to write a book But even as a sole author,

you aren’t the only person responsible for a book becoming a reality I want to thank all the

people who have helped me to write and publish this book, because without them, it would have

remained just an idea

This is my rst book Writing it has been an amazing adventure for me, and I hope this is just the

beginning of something new; something I feel is my natural bent I wouldn’t have been able to

write this book without the immense help of my wonderful wife, Deborah Writing a book requires

time, and I work full time for an insurance company, so the few remaining hours of the days spent

writing the book and looking for documentation (which took a full six months) were taken out of

my time with her Without such a tremendous and understanding wife, I probably wouldn’t have

been able to take that time Many times, when I was close to quitting without nishing the book—

due to its complexity and the sheer volume of information—she steadfastly pushed me to com-

plete the job, just as a perfect project manager should do! Thanks, Debbie!

I also want to thank Russell Jones, my editor and primary publishing contact for this book He is

the only person who believed in me from the beginning, and he put himself on the line to get this

project approved by Microsoft Press I will always be thankful to him for that He also did a won-

derful job in helping me to complete the job on time and to organize the whole project

Finally, I want to thank David Hill, who is both this book’s technical reviewer and my mentor David

is a technical lead at Microsoft in the patterns & practices team Having his invaluable insight while

writing this book helped a great deal to rene and improve my understanding of presentation pat-

terns in general as well as the right way to architect a Line of Business application David is both

exible and modest I am extremely fortunate to have had the opportunity to work with him, and

fervently hope to work with him again in the future

Thanks, guys!

www.it-ebooks.info

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