1、首先在目录结构中引入必要的js文件
https://files.cnblogs.com/files/qianyou304/x2j.rar
2、js中代码如下：（部分）json 2 xml
var X2JS = require(‘../../lib/x2js/we-x2js‘);
var loginJson =
{
"Name": "LOGIN",
"Info": {
"userName": "test001",
"password": "000000",
"accessTime": "2019-09-12 15:19:40"
}
}
var x2js = new X2JS();
var loginXml = x2js.js2xml(loginJson);
3、xml 2 json以此类推即可
点击进入原文 微信小程序json与xml互相转换
原文：https://www.cnblogs.com/mafy/p/12082088.html