javascriptxml转json

　　 //加载xml数据function loadXml(str) {if (str &＃61;&＃61; null) {return null;}var doc &＃61; str;try{doc &＃61; createXMLDOM();doc.async &＃61; false;doc.loadXML(str);}catch(e){doc &＃61; $.parseXML(str);}return doc;}//xml数据转成json对象的数据function xmlTojson(xmlObj, nodename, isarray){var obj &＃61; $(xmlObj);var itemobj &＃61; {};var nodenames &＃61; "";var getAllAttrs &＃61; function(node){//递归解析xml 转换成json对象var _itemobj &＃61; {};var notNull &＃61; false;var nodechilds &＃61; node.childNodes;var childlenght &＃61; nodechilds.length;var _attrs &＃61; node.attributes;var firstnodeName &＃61; "#text";try{firstnodeName &＃61; nodechilds[0].nodeName;}catch(e){}if((childlenght > 0 && firstnodeName !&＃61; "#text") || _attrs.length > 0){var _childs &＃61; nodechilds;var _childslength &＃61; nodechilds.length;var _fileName_ &＃61; "";if(undefined !&＃61; _attrs){var _attrslength &＃61; _attrs.length;for(var i &＃61; 0; i <_attrslength; i&＃43;&＃43;){//解析xml节点属性var attrname &＃61; _attrs[i].nodeName;var attrvalue &＃61; _attrs[i].nodeValue;_itemobj[attrname] &＃61; attrvalue;}}for (var j &＃61; 0; j <_childslength; j&＃43;&＃43;) {//解析xml子节点var _node &＃61; _childs[j];var _fildName &＃61; _node.nodeName;if("#text" &＃61;&＃61; _fildName){break;};if(_itemobj[_fildName] !&＃61; undefined){//如果有重复的节点需要转为数组格式if(!(_itemobj[_fildName] instanceof Array)){var a &＃61; _itemobj[_fildName];_itemobj[_fildName] &＃61; [a];//如果该节点出现大于一个的情况 把第一个的值存放到数组中
}}var _fildValue &＃61; getAllAttrs(_node);try{_itemobj[_fildName].push(_fildValue);}catch(e){_itemobj[_fildName] &＃61; _fildValue;_itemobj["length"] &＃61; 1;}}}else{_itemobj &＃61; (node.textContent &＃61;&＃61; undefined) ? node.text : node.textContent;}return _itemobj;};if(nodename){nodenames &＃61; nodename.split("/")}for(var i &＃61; 0;i ){obj &＃61; obj.find(nodenames[i]);}$(obj).each(function(key, item){if(itemobj[item.nodeName] !&＃61; undefined){if(!(itemobj[item.nodeName] instanceof Array)){var a &＃61; itemobj[item.nodeName];itemobj[item.nodeName] &＃61; [a];}itemobj[item.nodeName].push(getAllAttrs(item));}else{if(nodenames.length > 0){itemobj[item.nodeName] &＃61; getAllAttrs(item);}else{itemobj[item.firstChild.nodeName] &＃61; getAllAttrs(item.firstChild);}}});if(nodenames.length > 1){itemobj &＃61; itemobj[nodenames[nodenames.length-1]];}if(isarray && !(itemobj instanceof Array) && itemobj !&＃61; undefined){itemobj &＃61; [itemobj];}return itemobj;}//实例测试var dataStr &＃61; &＃39;&＃39;var xmlObj &＃61; loadXml(dataStr);var jsonData &＃61; xmlTojson(xmlObj, &＃39;userList/user&＃39;, true);console.log(jsonData)