W260426/16.vue3/project1/src/components/Demo16.vue

<template>
  <div>
    <h1>shallowRef与shallowReactive</h1>
    <h2>Ref:{{ cc.name }}--{{ cc.age }}--{{ cc.x.a }}</h2>
    <h2>shallowRef:{{ dd.name }}--{{ dd.age }}--{{ dd.x.a }}</h2>
    <button @click="handleChange">修改</button>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive, shallowRef, shallowReactive } from "vue";
let aa = ref(1);
let bb = shallowRef(33);
let cc = reactive({
  name: "图图",
  age: 3,
  x: {
    a: 1,
  },
});
let dd = shallowReactive({
  name: "小明",
  age: 13,
  x: {
    a: 3,
  },
});

const handleChange = () => {
  Object.assign(dd, {
    name: 1,
    age: 2,
    x: { a: 3 },
  });
  // cc.name = "孙悟空";
  //   dd.value.x.a = 11;
  //   dd.value = {
  //     name: "猪八戒",
  //     age: 4,
  //     x: { a: 99 },
  //   };
  //   dd.value.name = "12";
  //   aa.value++;
  //   bb.value++;
};
</script>

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