accordion在vue js中一次只显示一个项目

<template>
  <div class="accordion">
    <div v-for="(item, index) in items" :key="index" class="accordion-item">
      <div class="accordion-title" @click="toggleItem(index)">
        {{ item.title }}
      </div>
      <div v-if="item.open" class="accordion-content">
        {{ item.content }}
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      items: [
        { title: 'Item 1', content: 'Content 1', open: false },
        { title: 'Item 2', content: 'Content 2', open: false },
        { title: 'Item 3', content: 'Content 3', open: false }
      ]
    };
  },
  methods: {
    toggleItem(index) {
      this.items[index].open = !this.items[index].open;
    }
  }
};
</script>

<style>
.accordion {
  border: 1px solid #ccc;
}

.accordion-item {
  border-bottom: 1px solid #ccc;
}

.accordion-title {
  cursor: pointer;
  padding: 10px;
  background-color: #f0f0f0;
}

.accordion-content {
  padding: 10px;
}
</style>