19 表单输入绑定

<template>  
 <h3>表单输入绑定</h3>
 <form action="">
    <input type="text" v-model="message">
    <p>{{ message }}</p>
 </form>

</template>

<script >

export default{
    data() {
        return {
            message: ""
        }
    },
}

</script>