How to use xml2js in nodej

npm install xml2js

 var xml2js = require('xml2js');  //xml->json
  //xml2js默认会把子子节点的值变为一个数组, explicitArray设置为false
  var xmlParser = new xml2js.Parser({explicitArray : false, ignoreAttrs : true})  //json->xml
  var jsonBuilder = new xml2js.Builder();  //测试用例
  var xml = "<root>Hello xml2js!</root>";  var obj = {name: "Super", Surname: "Man", age: 23};  console.log(&#39;----------&#39;);  
  // xml -> json
  xmlParser.parseString(xml, function (err, result) {    //将返回的结果再次格式化
     console.log(JSON.stringify(result));
  });  console.log(&#39;----------&#39;);  //json --> xml
  var builder = new xml2js.Builder();  var jsonxml = builder.buildObject(obj);  console.log(jsonxml);  console.log(&#39;----------&#39;);

----------
{"root":"Hello xml2js!"}
----------<?xml version="1.0" encoding="UTF-8" standalone="yes"?><root>
  <name>Super</name>
  <Surname>Man</Surname>
  <age>23</age></root>----------