<template>
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<view>
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<cu-custom bgColor="bg-gradual-pink" :isBack="true"><block slot="backText">返回</block>
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<block slot="content">轮播图</block>
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</cu-custom>
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<view class="cu-bar bg-white">
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<view class="action">
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<text class="cuIcon-title text-pink"></text> 全屏限高轮播
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</view>
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<view class="action">
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<switch @change="DotStyle" :class="dotStyle?'checked':''" :checked="dotStyle?true:false"></switch>
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</view>
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</view>
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<swiper class="screen-swiper" :class="dotStyle?'square-dot':'round-dot'" :indicator-dots="true" :circular="true"
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:autoplay="true" interval="5000" duration="500">
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<swiper-item v-for="(item,index) in swiperList" :key="index">
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<image :src="item.url" mode="aspectFill" v-if="item.type=='image'"></image>
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<video :src="item.url" autoplay loop muted :show-play-btn="false" :controls="false" objectFit="cover" v-if="item.type=='video'"></video>
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</swiper-item>
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</swiper>
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<!-- #ifndef MP-ALIPAY -->
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<view class="cu-bar bg-white margin-top">
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<view class="action">
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<text class="cuIcon-title text-pink"></text> 卡片式轮播
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</view>
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</view>
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<swiper class="card-swiper" :class="dotStyle?'square-dot':'round-dot'" :indicator-dots="true" :circular="true"
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:autoplay="true" interval="5000" duration="500" @change="cardSwiper" indicator-color="#8799a3"
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indicator-active-color="#0081ff">
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<swiper-item v-for="(item,index) in swiperList" :key="index" :class="cardCur==index?'cur':''">
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<view class="swiper-item">
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<image :src="item.url" mode="aspectFill" v-if="item.type=='image'"></image>
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<video :src="item.url" autoplay loop muted :show-play-btn="false" :controls="false" objectFit="cover" v-if="item.type=='video'"></video>
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</view>
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</swiper-item>
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</swiper>
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<view class="cu-bar bg-white margin-top">
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<view class="action">
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<text class="cuIcon-title text-pink"></text> 堆叠式轮播
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</view>
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</view>
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<view class="tower-swiper" @touchmove="TowerMove" @touchstart="TowerStart" @touchend="TowerEnd">
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<view class="tower-item" :class="item.zIndex==1?'none':''" v-for="(item,index) in swiperList" :key="index" :style="[{'--index': item.zIndex,'--left':item.mLeft}]" :data-direction="direction">
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<view class="swiper-item">
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<image :src="item.url" mode="aspectFill" v-if="item.type=='image'"></image>
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<video :src="item.url" autoplay loop muted :show-play-btn="false" :controls="false" objectFit="cover" v-if="item.type=='video'"></video>
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</view>
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</view>
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</view>
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<!-- #endif -->
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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cardCur: 0,
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swiperList: [{
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id: 0,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big84000.jpg'
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}, {
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id: 1,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big37006.jpg',
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}, {
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id: 2,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big39000.jpg'
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}, {
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id: 3,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big10001.jpg'
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}, {
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id: 4,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big25011.jpg'
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}, {
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id: 5,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big21016.jpg'
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}, {
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id: 6,
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type: 'image',
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url: 'https://ossweb-img.qq.com/images/lol/web201310/skin/big99008.jpg'
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}],
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dotStyle: false,
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towerStart: 0,
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direction: ''
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};
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},
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onLoad() {
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this.TowerSwiper('swiperList');
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// 初始化towerSwiper 传已有的数组名即可
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},
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methods: {
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DotStyle(e) {
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this.dotStyle = e.detail.value
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},
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// cardSwiper
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cardSwiper(e) {
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this.cardCur = e.detail.current
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},
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// towerSwiper
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// 初始化towerSwiper
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TowerSwiper(name) {
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let list = this[name];
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for (let i = 0; i < list.length; i++) {
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list[i].zIndex = parseInt(list.length / 2) + 1 - Math.abs(i - parseInt(list.length / 2))
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list[i].mLeft = i - parseInt(list.length / 2)
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}
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this.swiperList = list
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},
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// towerSwiper触摸开始
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TowerStart(e) {
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this.towerStart = e.touches[0].pageX
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},
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// towerSwiper计算方向
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TowerMove(e) {
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this.direction = e.touches[0].pageX - this.towerStart > 0 ? 'right' : 'left'
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},
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// towerSwiper计算滚动
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TowerEnd(e) {
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let direction = this.direction;
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let list = this.swiperList;
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if (direction == 'right') {
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let mLeft = list[0].mLeft;
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let zIndex = list[0].zIndex;
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for (let i = 1; i < this.swiperList.length; i++) {
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this.swiperList[i - 1].mLeft = this.swiperList[i].mLeft
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this.swiperList[i - 1].zIndex = this.swiperList[i].zIndex
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}
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this.swiperList[list.length - 1].mLeft = mLeft;
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this.swiperList[list.length - 1].zIndex = zIndex;
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} else {
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let mLeft = list[list.length - 1].mLeft;
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let zIndex = list[list.length - 1].zIndex;
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for (let i = this.swiperList.length - 1; i > 0; i--) {
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this.swiperList[i].mLeft = this.swiperList[i - 1].mLeft
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this.swiperList[i].zIndex = this.swiperList[i - 1].zIndex
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}
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this.swiperList[0].mLeft = mLeft;
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this.swiperList[0].zIndex = zIndex;
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}
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this.direction = ""
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this.swiperList = this.swiperList
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},
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}
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}
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</script>
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<style>
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.tower-swiper .tower-item {
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transform: scale(calc(0.5 + var(--index) / 10));
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margin-left: calc(var(--left) * 100upx - 150upx);
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z-index: var(--index);
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}
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</style>
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