nodejs讀寫excel內容的方法

var xlsx = require('node-xlsx');
var fs = require('fs');
//讀取文件內容
var obj = xlsx.parse(__dirname+'/test.xlsx');
var excelObj=obj[0].data;
console.log(excelObj);
var data = [];
for(var i in excelObj){
 var arr=[];
 var value=excelObj[i];
 for(var j in value){
 arr.push(value[j]);
 }
 data.push(arr);
}
var buffer = xlsx.build([
 {
 name:'sheet1',
 data:data
 }
]);
//將文件內容插入新的文件中
fs.writeFileSync('test1.xlsx',buffer,{'flag':'w'});