javascript - The back-end provides the restful interface to the front-end. How does the front-end operate? I want a specific case. Can you provide it?

The backend provides a restful interface to the frontend. How does the frontend operate? I want a specific case. Can you provide it?

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The backend provides a restful interface to the frontend. How does the frontend operate? I want a specific case. Can you provide it?

Initiate various http requests, such as through ajax or fetch

Request operations just like ordinary interfaces.

It is all kinds of put, delete, post, etc., which specify the method of requesting to the background. For the same URL, due to different request methods, the background will have corresponding controller methods to handle your request.

Restful is just a style, use it normally.
${pageContext.request.contextPath}/training/${parm}/more.html