code: function(name,index){
      var _self = this,
        data = _self.get('data'),
        fields = _self.get('fields'),
        obj = data[index];
      if(name){
        Util.each(data,function(item){
          if(item.name == name){
            obj = item;
            return false;
          }
        });
      }
      return _self._parseData(obj,fields);
    }
docs: 根据series获取data