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The Spring Boot reference guide is available as: SpringBoot可用的参考指南如下：
The latest copy is available at docs.spring.io/spring-boot/docs/current/reference. 最近的副本可在docs.spring.io/spring-boot/docs/current/reference上获得。
Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any fee for such copies and further provided that each copy contains this Copyright Notice, whether distributed in print or electronically. 本文件的副本可供你自己使用及分发给他人，但你无须就该等副本收取任何费用，而每一份副本均须载有本版权公告，不论是以印刷形式或以电子方式分发。