LayUI Ajax value transfer problem

how should Ajax be used in LayUI data tables?
does not use a MVC structure.
would like to be more detailed, the newcomer uses Ajax for the first time.
personal understanding: Json returns
clipboard.png

clipboard.png

after passing a value in the form of: data post to url data processing.
Mar.10,2021

var $= layui.$;
write this sentence in the var table place.

Menu