## 类的使用
org.springframework.context.expression.AnnotatedElementKey

- 使用AnnotatedElementKey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中AnnotatedElementKey的使用

    参数类型为AnnotatedElementKey的org.springframework.context.expression中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `int` | AnnotatedElementKey.`compareTo(AnnotatedElementKey other)`
    `protected org.springframework.expression.Expression` | CachedExpressionEvaluator.`getExpression(Map<CachedExpressionEvaluator.ExpressionKey,org.springframework.expression.Expression> cache, AnnotatedElementKey elementKey, String expression)` Return the `Expression` for the specified SpEL value Parse the expression if it hasn't been already.

    参数类型为AnnotatedElementKey的org.springframework.context.expression中的构造器
    构造器和说明
    `ExpressionKey(AnnotatedElementKey element, String expression)`