读取文件夹

fs.readdirSync('./')

判断文件类型

fs.statSync(item).isDirectory()

门路拼接

path.resolve(dir, item)

封装

function deepGetFile(dir) {    let backList = []    let list = fs.readdirSync(dir)    for (let index in list) {        let item = path.resolve(dir, list[index])        if (fs.statSync(item).isDirectory()) {            backList = backList.concat(deepGetFile(item))        } else {            backList.push(item)        }    }    return backList}