按键添加文本框

<template>
  <div>
    <div v-for="(item,i) of items" :key="i">
      <input type="text" v-model="items[i]">
      <button @click="onDelete(i)">删除</button>
    </div>
    <button @click="onAdd">添加</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      items: []
    }
  },
  methods: {
    onAdd() {
      this.items.push('')
    },
    onDelete(index) {
      this.items.splice(index, 1);
    }
  }
}
</script>