读取配置文件的5种方式

https://www.bilibili.com/video/BV16L4y1M7Zb?mid=347986860&p=1&share_from=ugc&share_medium=android&share_plat=android&share_session_id=2a3a465a-2fb7-469d-9125-da72c6a0c22d&share_source=QQ&share_tag=s_i&timestamp=1657806324&unique_k=9BwB5vq&vd_source=8f17ca4d751281c7fd52578f6899c4ae

https://www.cnblogs.com/javastack/p/9153948.html

1. @Value必须使用在是IOC容器里面的类里面

https://www.cnblogs.com/mengzhao/p/13921124.html