<context : property-placeholder> 标签中上下文的用途是什么?

What is the purpose of context in <context : property-placeholder> tag?

Spring 中的标记 "context" 的用途是什么?

为什么不只是 <property-placeholder>。这是什么类型的标签?

Spring使用不同的方案划分部分,这是context schema:

的一部分

The context tags deal with ApplicationContext configuration that relates to plumbing - that is, not usually beans that are important to an end-user but rather beans that do a lot of grunt work in Spring, such as BeanfactoryPostProcessors