<template>
  <div>
    <tiny-carousel height="150px" @change="handleChange">
      <tiny-carousel-item class="carousel-item-demo" v-for="item in 4" :key="item">
        <h3>{{ item }}</h3>
      </tiny-carousel-item>
    </tiny-carousel>

    <div class="carousel-tip">当前幻灯片索引：{{ curValue }}，上一张幻灯片索引：{{ preValue }}</div>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import { TinyCarousel, TinyCarouselItem } from '@opentiny/vue'

const curValue = ref(0)
const preValue = ref(0)

function handleChange(value, oldValue) {
  curValue.value = value
  preValue.value = oldValue
}
</script>

<style scoped>
.tiny-carousel__item h3 {
  color: #808080;
  opacity: 0.75;
  line-height: 150px;
  margin: 0;
  text-align: center;
  font-size: 25px;
}

.carousel-item-demo:nth-child(2n) {
  background-color: rgba(221, 221, 221, 0.2);
}

.carousel-item-demo:nth-child(2n + 1) {
  background-color: rgba(221, 221, 221, 0.1);
}
</style>
