通过v-if判断，在组件收到需要渲染的数据后再加载swiper

<template>
  <div class="wrapper">
	<swiper :options="swiperOption" v-if="swiperList.length">
		<swiper-slide v-for="item in swiperList">
        	<img class="swiper-img" :src="item.imgUrl" />
    	</swiper-slide>
    	<div class="swiper-pagination" slot="pagination"></div>
	</swiper>
 </div>
</template>
<script>
export default {
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination'
      }
    }
  },
  props: ['swiperList']
}
</script>