I’ve searched some tutorials online these days and found something useful for web-dev beginners like me.
Some web application frameworks are helpful, in which spring-boot seems to be a simple one for beginners like me to use. The following tutorial,
https://dzone.com/articles/java-8-springboot-angularjs-bootstrap-springdata-j
provides a quite clear spring-boot web-app structure, with Java-implemented backend and ccs+js+html front-end. I think it’s a good demo project for beginner to learn about spring-boot and deeper web-app developing skills.
solved How to Deploy a mobile web app ( html5+jQuery Mobile) on My Own PC in a Local Area Network