ref,computed 用法
时间：2021-08-30 05:18:08
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ref,computed 用法
<template>
<div>
<h1>{{count}}</h1>
<h1>{{double}}</h1>
<button @click="increase">+1</button>
</div>
</template>
<script lang="ts">
import { ref,computed } from ‘vue‘;
export default {
name: ‘App‘,
setup(){
const count = ref(0)
const double = computed(()=>{
return count.value * 2
})
const increase = () => {
count.value ++
}
return {
count,
double,
increase
}
}
};
</script>
原文：https://www.cnblogs.com/eric-share/p/15198681.html
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