纸上得来终觉浅，绝知此事要躬行.
Talk is cheap. Show me the code.   悟已往之不谏，知来者之可追。实迷途其未远，觉今是而昨非.

摘要： 基于Spring官网总结 IOC文档：https://docs.spring.io/spring-framework/docs/current/reference/html/core.html#beans 一、配置元数据 org.springframework.context.Application 阅读全文