NSE-Bhavcopy Node-Js模块，用于从NSE服务器下载NSE bhavcopy。 要使用，请按照以下说明进行操作： const BhavCopy = require('nse-bhavcopy'); const options = { type: 'json' // optional. if not specified, zip file will be downloaded. Valid TYPES: ['json', 'csv', 'zip'] dir: "xxxx"