shallowRef：浅层响应->整体重新赋新值才会触发更新，只改变单个属性不会触发更新

shallowReactive：浅层响应->第一层属性变化会触发更新，不是第一层属性不会触发更新

<template><div><h2>{{ person }}</h2><button @click="change">改变</button></div>
</template>
<script setup>
import {shallowRef,ref,shallowReactive
} from 'vue'
/* 浅层响应->整体重新赋新值才会触发更新
let person = shallowRef({name: '青阳子',age: 28,job: {j1: {sex: 20,},},
})
const change = () => {person.value.age = 30// person.value = {//   age: 30,// }
}
*/// 浅层响应->第一层属性变化会触发更新
let person = shallowReactive({name: '青阳子',age: 28,job: {j1: {sex: 20}}
})const change = () => {// person.age = 30//person.name = 'lisi'// person.job = {}//person.job.j1 = {a:100}person = {age: 30,}
}
</script>
<style scoped></style>