<template> 
 <div class="ne-ipt"> 
 <input type="text" v-model="currentValue"> 
 </div> 
</template> 
 
<style lang="less" scoped> 
 @import "../../assets/styles/form/form.less"; 
</style> 
<script> 
 export default { 
 name: 'NeIpt', 
 props: { 
 // 接收一個由父級組件傳遞過來的值 
 value: { 
 type: String, 
 default: function () { 
 return '' 
 } 
 } 
 }, 
 computed:{ 
 currentValue: { 
 // 動態計算currentValue的值 
 get:function() { 
 return this.value; // 將props中的value賦值給currentValue 
 }, 
 set:function(val) { 
 this.$emit('input', val); // 通過$emit觸發父組件 
 } 
 } 
 } 
 } 
</script> 

<template> 
 <div id="button-index"> 
 <ne-ipt placeholder="姓名" v-model="test"></ne-ipt> 
 </div> 
</template> 
<style> 
</style> 
<script> 
 import NeIpt from './NeIpt' 
 export default { 
 name: 'form-index', 
 data () { 
 return { 
 test: '' 
 } 
 }, 
 components: { 
 NeIpt 
 } 
 } 
</script>