shallowRef与shallowReactive

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>