<template>
 <div class="swiper-container">
 <div class="swiper-wrapper">
 <div class="swiper-slide" v-for="item in swiper"><img :src="item.room_src" alt=""></div>
 <!--<div class="swiper-slide" v-for="item in test"><img :src="item.room_src" alt=""></div>-->
 </div>
 </div>
</template>
<script>
 import Swiper from 'swiper'
 export default {
 name: 'swiper',
 data() {
 return {
 mySwiper: null,
// test: [
// "https://rpic.douyucdn.cn/acrpic/171024/288016_0921.jpg",
// "https://rpic.douyucdn.cn/acrpic/171024/748396_0924.jpg",
// "https://rpic.douyucdn.cn/acrpic/171024/453751_0922.jpg",
// "https://rpic.douyucdn.cn/acrpic/171024/79663_0920.jpg"
// ]
 }
 },
 props: ['swiper'], //swiper的就是test這個數據傳遞來的
 methods: {
 _initSwiper() {
 this.mySwiper = new Swiper('.swiper-container', {
 autoplay: 5000,//可選選項，自動滑動
 })
 },
 _updateSwiper() {
 this.$nextTick(() => {
 this.mySwiper.update(true); //swiper update的方法
 })
 },
 swiperUpdate() {
 if (this.mySwiper) { //節點存在
 this._updateSwiper(); //更新
 } else {
 this._initSwiper(); //創建
 }
 },
 },
 watch: {
 //通過props傳來的數據 和 組件一加載節點就創建成功 二者不是同步，實時監聽的swiper(傳遞的值)的變化
 swiper() {
 this.swiperUpdate();
 }
 },
 mounted() {
 this.swiperUpdate(); //頁面一加載拉去數據創建節點
 }
 }
</script>
<style lang="scss" scoped>
 .swiper-container {
 width: 100%;
 height: 4rem;
 margin-top: 0.9rem;
 .swiper-wrapper {
 width: 100%;
 height: 100%;
 .swiper-slide {
 background-size: cover;
 width: 100%;
 height: 4rem;
 img {
 width: 100%;
 height: 100%;
 }
 }
 }
 }
</style>

//html
 <swiper :swiper="roomList.slice(6,10)" ></swiper>
//js
 import swiper from 'components/swiper/swiper'
 components: {
 swiper
 },