html

      <div v-for="(val,key,index) in info" :key="index">
        值:{{ val }}--键名{{ key }} ---索引{{ i }}
      </div>
      

js

export default {
  data () {
    return {
      info: {
        user: 'ceshi',
        id: 2,
        name: 'wanjunshijie'
      }
    }
  }
}

结果

值:ceshi--键名user ---索引
值:2--键名id ---索引
值:wanjunshijie--键名name ---索引