以前看过Java Annotation，走马观花，现在印象已经不深刻了。这次好好看一下Java Annotation和Spring Annotation。
阅读列表：
The Java Tutorials - Annotations
Java Annotation认知(包括框架图、详细介绍、示例说明)
Annotations Gotchas and Best Practices
Annotations: Don’t Mess with Java
Java Annotations Are a Big Mistake
Spring Annotation-based container configuration
Spring Framework Annotations cheat sheet
Spring Without XML: The Basics of Spring Annotations vs. Spring XML Files
Spring Annotation Tutorial
Spring Annotations [ Quick Reference ]