let data = [

????{

??????"adcode": "110100",

??????"city": "北京市",

??????"id": 234

????},

????{

??????"adcode": "120100",

??????"city": "天津市",

??????"id": 235

????}]

//舊key到新key的映射

let keyMap = {

??"adcode": "value",

??"city": "name"

}

data.forEach(item => {

let obj = item

for(let key in obj){

let newKey = keyMap[key]

if(newKey){

obj[newKey] = obj[key]

delete obj[key]

}

}

})

console.log(data)