# 程序包的使用
org.springframework.context.expression

- 使用org.springframework.context.expression的程序包
  程序包 | 说明
  --- | ---
  org.springframework.context.expression | Expression parsing support within a Spring application context.

- org.springframework.context.expression使用的org.springframework.context.expression中的类
  类和说明
  AnnotatedElementKey Represent an `AnnotatedElement` on a particular `Class` and is suitable as a key.
  CachedExpressionEvaluator.ExpressionKey