SOURCE

const data = [
    {
        '姓名':'小王',
        '年龄':18,
        '手机号':12345    
    },
     {
        '姓名':'花花',
        '年龄':29,
        '手机号':78789    
    },
]
const diff = {
    '姓名':'name',
    '年龄':'age',
    '手机号':'phone'
}
const arr = []
function pei() {
    data.forEach(item => {
        let obj = {}
        for (key in diff){
            obj[diff[key]] = item[key]
        }
        arr.push(obj)
    })
}
pei()
console.log(arr)


const array = data.map(item =>{
    let obj = {}
    for (key in diff){
        obj[diff[key]] = item[key]
    }
    return obj
})
console.log(array)