var a={

"bb":"world",

    "a0":1,

    "a1":2,

    "b0":4,

    "b1":5,

    "aa":"hello"

}

var keyList=Object.keys(a)

var projectList={"self":{}}

var rex=/[0-9]$/g

for(i=0;i<keyList.length;i++){

    latNum=keyList[i].match(rex)

     if(!rex.test(keyList[i])){

        projectList["self"][keyList[i]]=a[keyList[i]]

    }

    if(latNum!==null){

    if(!projectList['list'+latNum[0]]){

        console.log(projectList[latNum[0]])

        projectList["list"+latNum[0]]={}//创建空对象

    }

    projectList["list"+latNum[0]][keyList[i]]=a[keyList[i]]

    }

}

console.log(projectList)