js xml转化json

转载：https://www.cnblogs.com/xyyt/p/13037732.html

/**
* xml字符串转换xml对象数据
* @param {Object} xmlStr
*/
function xmlStr2XmlObj(xmlStr) {
var xmlObj = {};
if (document.all) {
var xmlDom = new ActiveXObject("Microsoft.XMLDOM");
xmlDom.loadXML(xmlStr);
xmlObj = xmlDom;
} else {
xmlObj = new DOMParser().parseFromString(xmlStr, "text/xml");
}
return xmlObj;
}

/**
* xml字符串转换json数据
* @param {Object} xml
*/
function xmlObj2json(xml) {
var xmlObj = xmlStr2XmlObj(xml);
var jsonObj = {};
if (xmlObj.childNodes.length > 0) {
jsonObj = xml2json(xmlObj);
}
return jsonObj;
}

/**
* xml转换json数据
* @param {Object} xml
*/
function xml2json(xml) {
try {
var obj = {};
if (xml.children.length > 0) {
for (var i = 0; i < xml.children.length; i++) {
var item = xml.children.item(i);
var nodeName = item.nodeName;
if (typeof (obj[nodeName]) == "undefined") {
obj[nodeName] = xml2json(item);
} else {
if (typeof (obj[nodeName].push) == "undefined") {
var old = obj[nodeName];
obj[nodeName] = [];
obj[nodeName].push(old);
}
obj[nodeName].push(xml2json(item));
}
}
} else {
obj = xml.textContent;
}
return obj;
} catch (e) {
console.log(e.message);
}
}