Node gets the data and generates. json.

  node.js, question

It was originallyjavaEnvironmental, now plans to leave.
Obtaining data from the server side throughnodejsAs an intermediate layer, cache the data locally and generate.jsonDocuments.
It needs to be updated every few minutes, can it be done? Ask for advice

Yes, it can be done with the following library

Request network request

Node-schedule timed task

Jsonfile generates json file