/** * 安裝node-xlsx插件 */var path = require('path')var fs = require('fs')var xlsx = require('node-xlsx')//去重算法Array.prototype.unique = function () { this.sort(); //先排序 var res = [this[0]]; for (var i = 1; i < this.length; i++) {  if (this[i] !== res[res.length - 1]) {   res.push(this[i]);  } } return res;}//取得xlsxvar obj = xlsx.parse(path.resolve(`./xlsx/x.xlsx`))var newArray = []//讀取第一列//obj[0].data:指第一個sheet的表格數(shù)據(jù)//data內(nèi)部的數(shù)據(jù)結構為：//[[ 'field1','field2','field13' ],[ 'field1','field2','field13' ]]for (var data of obj[0].data) { newArray.push(data[0])}//去重之前console.log(newArray.length)var openIds = newArray.unique();//去重之后console.log(newArray.length)var j = 0for (var i = 0; i < newArray.length; i++) { //每一行 console.log(newArray[i])}

//json結構 [{ name: 'sheet1 name', data: [['field1', 'field2', 'field13'],  ['field1', 'field2', 'field13']]}, {  name: 'sheet2 name',  data: [['field1', 'field2', 'field13'],   ['field1', 'field2', 'field13']] }]