下载所有的公众号消息模板

tmplmsg.js

var request = require('request');
var fs = require('fs')

function getQueryString(begin) {
  return `begin=${begin}&count=20&keyword=&action=tmpl_store&token=YOUR_TOKEN&lang=zh_CN&f=json&ajax=1`
}

const cookie = ''
const headers = {
  'cookie': cookie,
  'authority': 'mp.weixin.qq.com',
  'x-requested-with': 'XMLHttpRequest',
  'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36'
}

let begin = 0
let pageIndex = 0
function getJson() {
  const query = getQueryString(begin)
  request({
    url: 'http://mp.weixin.qq.com/advanced/tmplmsg?' + query,
    headers
  }, function (error, response, body) {
    if (response.statusCode === 200) {
      fs.writeFile('temp.json', body, { flag: 'a' }, function (err) {
        if (err) {
          console.log("Error")
        } else {
          console.log("OK pageIndex:" + pageIndex + ', begin:' + begin);
        }
      })
      begin += 20
      pageIndex += 1
      if (pageIndex > 1220) return
      getJson()
    }
  })
}

getJson()

replace your token and cookie.