function loadXml(str) {  if (str == null) {   return null;  }  var doc = str;  try{   doc = createXMLDOM();   doc.async = false;   doc.loadXML(str);  }catch(e){   doc = $.parseXML(str);  }  return doc;}

/***xml對象轉json對象*xmlObj:xml對象*nodename:節點路徑('ROOT/ITEM')*isarray:true,強制返回數組對象**/function xmltojson(xmlObj,nodename,isarray){   var obj=$(xmlObj);   var itemobj={};   var nodenames="";   var getAllAttrs=function(node){//遞歸解析xml 轉換成json對象      var _itemobj={};      var notNull=false;      var nodechilds=node.childNodes;      var childlenght=nodechilds.length;      var _attrs=node.attributes;      var firstnodeName="#text";      try{        firstnodeName=nodechilds[0].nodeName;      }catch(e){}      if((childlenght>0&&firstnodeName!="#text")||_attrs.length>0){         var _childs=nodechilds;         var _childslength=nodechilds.length;         var _fileName_="";         if(undefined!=_attrs){           var _attrslength=_attrs.length;           for(var i=0; i<_attrslength; i++){//解析xml節點屬性            var attrname=_attrs[i].nodeName;            var attrvalue=_attrs[i].nodeValue;            _itemobj[attrname]=attrvalue;           }         }       for (var j = 0; j < _childslength; j++) {//解析xml子節點          var _node = _childs[j];          var _fildName = _node.nodeName;          if("#text"==_fildName){break;};          if(_itemobj[_fildName]!=undefined){//如果有重復的節點需要轉為數組格式            if(!(_itemobj[_fildName] instanceof Array)){              var a=_itemobj[_fildName];              _itemobj[_fildName]=[a];//如果該節點出現大于一個的情況 把第一個的值存放到數組中            }          }          var _fildValue=getAllAttrs(_node);          try{            _itemobj[_fildName].push(_fildValue);          }catch(e){            _itemobj[_fildName]=_fildValue;            _itemobj["length"]=1;          }         }      }else{        _itemobj=(node.textContent==undefined)?node.text:node.textContent;      }      return _itemobj;    };   if(nodename){    nodenames=nodename.split("/")   }   for(var i=0;i<nodenames.length;i++){     obj=obj.find(nodenames[i]);   }   $(obj).each(function(key,item){     if(itemobj[item.nodeName]!=undefined){       if(!(itemobj[item.nodeName] instanceof Array)){         var a=itemobj[item.nodeName];         itemobj[item.nodeName]=[a];       }       itemobj[item.nodeName].push(getAllAttrs(item));     }else{       if(nodenames.length>0){         itemobj[item.nodeName]=getAllAttrs(item);       }else{         itemobj[item.firstChild.nodeName]=getAllAttrs(item.firstChild);       }     }   });   if(nodenames.length>1){     itemobj=itemobj[nodenames[nodenames.length-1]];   }   if(isarray&&!(itemobj instanceof Array)&&itemobj!=undefined){     itemobj=[itemobj];   }  return itemobj;};

var xmlstr="<USERS>" +        "<USER state='0'>" +        "<USERNAME type='String'>張三</USERNAME>" +        "<USERID type='String'>00001</USERID>" +        "</USER>" +        "<USER state='1'>" +        "<USERNAME type='String' size='100'>李四</USERNAME>" +        "<USERID>00002</USERID>" +        "</USER>" +        "<USER>" +        "<USERNAME>李四</USERNAME>" +        "<USERID>00002</USERID>" +        "</USER>" +        "</USERS>";var xmlobj=loadXml(xmlstr);

{  "USERS": {    "USER": [      {        "state": "0",        "USERNAME": {          "type": "String"        },        "length": 1,        "USERID": {          "type": "String"        }      },      {        "state": "1",        "USERNAME": {          "type": "String",          "size": "100"        },        "length": 1,        "USERID": "00002"      },      {        "USERNAME": "李四",        "length": 1,        "USERID": "00002"      }    ],    "length": 1  }}

[  {   "state": "0",   "USERNAME": {     "type": "String"   },   "length": 1,   "USERID": {     "type": "String"   }  },  {   "state": "1",   "USERNAME": {     "type": "String",     "size": "100"   },   "length": 1,   "USERID": "00002"  },  {   "USERNAME": "李四",   "length": 1,   "USERID": "00002"  }]