spring框架外文文献.docx
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2020-07-08
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一、英语原文
Spring Framework Fundamentals
The Spring Framework evolved from the code written for Expert One-on-One J2EE
Design and Development by Rod Johnson (Wrox, 2002). The framework combines best
practices for Java Enterprise Edition (JEE) development from the industry and integration
with the best-of-breed third-party frameworks. It also provides easy extension points to write
your own integration if you need one that doesn’t yet exist. The framework was designed with
developer productivity in mind, and it makes it easier to work with the existing, sometimes
cumbersome Java and JEE APIs.
Before we start our journey into Spring MVC and Spring Web Flow, we will provide a
quick refresher
course on Spring Core (formerly known as the Spring Framework). Spring is now a longtime
de-facto
standard for Java enterprise software development. It introduced many of us to concepts such
as dependency injection, aspect-oriented programming (AOP), and programming with plain-
old-Java-objects (POJOs).
In this chapter, we will cover dependency injection and AOP. Specifically, we will cover
how the Spring Framework helps us implement dependency injection and how to use
programming to our advantage. To be able to do the things mentioned here, we will explore
the Inversion of Control (IoC) container; the application context.
We will only touch on the necessary basics of the Spring Framework here. If you want
more in-depth information about it, we suggest the excellent Spring Reference guide
(www.springsource.org) or books such as Pro Spring 3 (Apress, 2012) or Spring Recipes, 2nd
Edition (Apress, 2011).
Let’s begin by taking a quick look at the Spring Framework and the modules that
comprise it.
Spring Framework
In the introduction, we mentioned that the Spring Framework evolved from code written for
the book Expert One-on-One J2EE Design and Development by Rod Johnson. This book was
written to explain some of the complexities in JEE and how to overcome them. And while
many of the complexities and problems in JEE have been solved in the newer JEE
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