• toRef：把一个 响应式对象 转换为对应的ref变量
• toRefs：把一个 响应式对象 转换为对应的ref对象

代码

<template>
  <P>mname: {{ mname }} </P>
  <P>mage: {{ mage }} </P>
  <P>msex: {{ msex }} </P>
  <P>mhobby: {{ mhobby }} </P>
  <hr>
  <P>mname1: {{ mname1 }} </P>
  <P>mage1: {{ mage1 }} </P>
  <P>msex1: {{ msex1 }} </P>
  <P>mhobby1: {{ mhobby1 }} </P>
  <hr>
  <P>hobby1: {{ mman }} </P>

</template>

<script setup>
import { reactive, ref, toRef, toRefs } from 'vue';

let man = reactive({
  name: 'cxk',
  age: 25,
  sex: '男',
  hobby: ['唱', '跳', 'rap']
});

const mname = toRef(man, 'name');
const mage = toRef(man, 'age');
const msex = toRef(man, 'sex');
const mhobby = toRef(man, 'hobby');
//解构
const { name: mname1, age: mage1, sex: msex1, hobby: mhobby1 } = toRefs(man);

const mman = toRefs(man);

console.log(mname, mage, msex, mhobby);
console.log(mname1, mage1, msex1, mhobby1);
console.log(mman);
</script>

<style lang="scss" scoped></style>

参考

https://www.bilibili.com/video/BV1nV411Q7RX