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46 lines
849 B
Vue
46 lines
849 B
Vue
<template>
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<div class="person">
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姓：<input type="text" v-model="firstName"><br>
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名：<input type="text" v-model="lastName"><br>
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全名：<span>{{fullName}}</span>
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<button @click="changeFullName">修改全名</button>
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</div>
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</template>
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<script setup>
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import { ref, computed } from "vue";
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let firstName = ref('涨')
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let lastName = ref('三')
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// 只读的计算属性
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// let fullName = computed(()=>{
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// return firstName.value + lastName.value
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// })
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// 可读可写计算属性
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let fullName = computed({
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get(){
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return firstName.value + lastName.value
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},
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set(val){
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console.log(val)
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firstName.value = 'dddddd'
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}
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})
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function changeFullName(){
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fullName.value = 'dddddd'
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}
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</script>
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<style scoped>
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.person {
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background-color: antiquewhite;
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box-shadow: 0 0 10px;
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}
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button {
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margin: 5px;
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}
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</style> |