多亏了@Prakash sharma,我终于用object Destruct实现了
const appDir = process.env.PWD
const co = require('co');
const db = require(appDir+'/model')
const helper = require(appDir+'/controller/helper')
const express = require('express')
const firebase = require(appDir+'/controller/firebase')
const config = require(appDir+'/Config.js')
module.exports = {
co : co ,
db : db,
express : express ,
firebase : firebase,
config : config
}
const appDir = process.env.PWD
const {co,db,helper,express,firebase} = require(appDir+'/components/modules')