SOURCE

function parse(obj){
    const result={};
 for(let key of Object.keys(obj)){
     let keys=key.split(".");
     let temp=result;
    
     while(keys.length>1){
         let tempKey=keys.shift();
         
         if(!temp[tempKey]) temp[tempKey]={};
        temp=temp[tempKey]
         console.log(temp,result)
     }
     temp[keys.pop()]=obj[key]
 }
    return result;
}

var d={'a.b.c':'1',"a.d":2,'fff':'ggg'};
var res=parse(d);
console.log(res)

var obj= {"a":{"b":{"c":"1"},"d":2},"fff":"ggg"}

function getKeys(obj) {
    //es6新语法  Object.prototype.toString()方法精准判断参数值属于哪种类型
    if(Object.prototype.toString.call(obj) === "[object Object]") {
        var arr = [];
        var arrValue = [];
        var arrKeyValue = [];
        (function getKeysFn(o, char) {
            for(var key in o) {
                //判断对象的属性是否需要拼接".",如果是第一层对象属性不拼接，否则拼接"."
                var newChar = char == "" ? key : char + "." + key;
                if(Object.prototype.toString.call(o[key]) === "[object Object]") {
                    //如果属性对应的属性值仍为可分解的对象，使用递归函数继续分解，直到最里层
                    getKeysFn(o[key],newChar);
                } else {
                    arrValue.push(o[key]);
                    arr.push(newChar);
                    arrKeyValue.push(newChar + "=" + o[key]);
                }
            }
        })(obj,"");
        console.log(arr);
        console.log(arrValue);
        console.log(arrKeyValue);
    } else {
        console.log("传入的不是一个真正的对象哦！");
    }

}
getKeys(obj);