从fis中得来的数据结构，Object版，

/*
 * config
 * caoke
 */

'use strict';
//You can't use merge in util.js
function merge(source, target){
    if(typeof source === 'object' && typeof target === 'object'){
        for(var key in target){
            if(target.hasOwnProperty(key)){
                source[key] = merge(source[key], target[key]);
            }
        }
    } else {
        source = target;
    }
    return source;
}

Object.prototype.hget = function(path, def){
    var result = this || {};
    (path || '').split('.').forEach(function(key){
        if(key && (typeof result !== 'undefined')){
            result = result[key];
        }
    });
    if(typeof result === 'undefined'){
        return def;
    } else {
        return result;
    }
}
Object.prototype.hset = function(path, value){
    if(typeof value === 'undefined'){
        for(var k in path){
            this[k]=path[k];
        }
    } else {
        path = String(path || '').trim();
        if(path){
            var paths = path.split('.'),
                last = paths.pop(),
                data = this || {};
            paths.forEach(function(key){
                var type = typeof data[key];
                if(type === 'object'){
                    data = data[key];
                } else if(type === 'undefined'){
                    data = data[key] = {};
                } else {
                    console.error('forbidden to set property[' + key + '] of [' + type + '] data');
                }
            });
            data[last] = value;
        }
    }
    return this;
}
Object.prototype.hdel = function(path){
    path = String(path || '').trim();
    if(path){
        var paths = path.split('.'),
            data = this,
            last = paths.pop(), key;
        for(var i = 0, len = paths.length; i < len; i++){
            key = paths[i];
            if(typeof data[key] === 'object'){
                data = data[key];
            } else {
                return this;
            }
        }
        if(typeof data[last] !== 'undefined'){
            delete data[last];
        }
    }
    return this;
}
Object.prototype.hmerge = function(){
    var self = this;
    [].slice.call(arguments).forEach(function(arg){
        if(typeof arg === 'object'){
            merge(self, arg);
        } else {
            console.warning('unable to merge data[' + arg + '].');
        }
    });
    return this;
}

var sp={}
sp.hset("user.name","caoke")
sp.hset("user.qq","914890674")
console.log(sp)