You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
256 lines
8.4 KiB
256 lines
8.4 KiB
1 year ago
|
<template>
|
||
|
|
<view
|
||
|
|
class="u-swiper"
|
||
|
|
:style="{
|
||
|
|
backgroundColor: bgColor,
|
||
|
|
height: $u.addUnit(height),
|
||
|
|
borderRadius: $u.addUnit(radius)
|
||
|
|
}"
|
||
|
|
>
|
||
|
|
<view
|
||
|
|
class="u-swiper__loading"
|
||
|
|
v-if="loading"
|
||
|
|
>
|
||
|
|
<u-loading-icon mode="circle"></u-loading-icon>
|
||
|
|
</view>
|
||
|
|
<swiper
|
||
|
|
v-else
|
||
|
|
class="u-swiper__wrapper"
|
||
|
|
:style="{
|
||
|
|
height: $u.addUnit(height),
|
||
|
|
}"
|
||
|
|
@change="change"
|
||
|
|
:circular="circular"
|
||
|
|
:interval="interval"
|
||
|
|
:duration="duration"
|
||
|
|
:autoplay="autoplay"
|
||
|
|
:current="current"
|
||
|
|
:currentItemId="currentItemId"
|
||
|
|
:previousMargin="$u.addUnit(previousMargin)"
|
||
|
|
:nextMargin="$u.addUnit(nextMargin)"
|
||
|
|
:acceleration="acceleration"
|
||
|
|
:displayMultipleItems="displayMultipleItems"
|
||
|
|
:easingFunction="easingFunction"
|
||
|
|
>
|
||
|
|
<swiper-item
|
||
|
|
class="u-swiper__wrapper__item"
|
||
|
|
v-for="(item, index) in list"
|
||
|
|
:key="index"
|
||
|
|
>
|
||
|
|
<view
|
||
|
|
class="u-swiper__wrapper__item__wrapper"
|
||
|
|
:style="[itemStyle(index)]"
|
||
|
|
>
|
||
|
|
<!-- 在nvue中，image图片的宽度默认为屏幕宽度，需要通过flex:1撑开，另外必须设置高度才能显示图片 -->
|
||
|
|
<image
|
||
|
|
class="u-swiper__wrapper__item__wrapper__image"
|
||
|
|
v-if="getItemType(item) === 'image'"
|
||
|
|
:src="getSource(item)"
|
||
|
|
:mode="imgMode"
|
||
|
|
@tap="clickHandler(index)"
|
||
|
|
:style="{
|
||
|
|
height: $u.addUnit(height),
|
||
|
|
borderRadius: $u.addUnit(radius)
|
||
|
|
}"
|
||
|
|
></image>
|
||
|
|
<video
|
||
|
|
class="u-swiper__wrapper__item__wrapper__video"
|
||
|
|
v-if="getItemType(item) === 'video'"
|
||
|
|
:id="`video-${index}`"
|
||
|
|
:enable-progress-gesture="false"
|
||
|
|
:src="getSource(item)"
|
||
|
|
:poster="getPoster(item)"
|
||
|
|
:title="showTitle && $u.test.object(item) && item.title ? item.title : ''"
|
||
|
|
:style="{
|
||
|
|
height: $u.addUnit(height)
|
||
|
|
}"
|
||
|
|
controls
|
||
|
|
@tap="clickHandler(index)"
|
||
|
|
></video>
|
||
|
|
<text
|
||
|
|
v-if="showTitle && $u.test.object(item) && item.title && $u.test.image(getSource(item))"
|
||
|
|
class="u-swiper__wrapper__item__wrapper__title u-line-1"
|
||
|
|
>{{ item.title }}</text>
|
||
|
|
</view>
|
||
|
|
</swiper-item>
|
||
|
|
</swiper>
|
||
|
|
<view class="u-swiper__indicator" :style="[$u.addStyle(indicatorStyle)]">
|
||
|
|
<slot name="indicator">
|
||
|
|
<u-swiper-indicator
|
||
|
|
v-if="!loading && indicator && !showTitle"
|
||
|
|
:indicatorActiveColor="indicatorActiveColor"
|
||
|
|
:indicatorInactiveColor="indicatorInactiveColor"
|
||
|
|
:length="list.length"
|
||
|
|
:current="currentIndex"
|
||
|
|
:indicatorMode="indicatorMode"
|
||
|
|
></u-swiper-indicator>
|
||
|
|
</slot>
|
||
|
|
</view>
|
||
|
|
</view>
|
||
|
|
</template>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
import props from './props.js';
|
||
|
|
/**
|
||
|
|
* Swiper 轮播图
|
||
|
|
* @description 该组件一般用于导航轮播，广告展示等场景,可开箱即用，
|
||
|
|
* @tutorial https://www.uviewui.com/components/swiper.html
|
||
|
|
* @property {Array} list 轮播图数据
|
||
|
|
* @property {Boolean} indicator 是否显示面板指示器（默认 false ）
|
||
|
|
* @property {String} indicatorActiveColor 指示器非激活颜色（默认 '#FFFFFF' ）
|
||
|
|
* @property {String} indicatorInactiveColor 指示器的激活颜色（默认 'rgba(255, 255, 255, 0.35)' ）
|
||
|
|
* @property {String | Object} indicatorStyle 指示器样式，可通过bottom，left，right进行定位
|
||
|
|
* @property {String} indicatorMode 指示器模式（默认 'line' ）
|
||
|
|
* @property {Boolean} autoplay 是否自动切换（默认 true ）
|
||
|
|
* @property {String | Number} current 当前所在滑块的 index（默认 0 ）
|
||
|
|
* @property {String} currentItemId 当前所在滑块的 item-id ，不能与 current 被同时指定
|
||
|
|
* @property {String | Number} interval 滑块自动切换时间间隔（ms）（默认 3000 ）
|
||
|
|
* @property {String | Number} duration 滑块切换过程所需时间（ms）（默认 300 ）
|
||
|
|
* @property {Boolean} circular 播放到末尾后是否重新回到开头（默认 false ）
|
||
|
|
* @property {String | Number} previousMargin 前边距，可用于露出前一项的一小部分，nvue和支付宝不支持（默认 0 ）
|
||
|
|
* @property {String | Number} nextMargin 后边距，可用于露出后一项的一小部分，nvue和支付宝不支持（默认 0 ）
|
||
|
|
* @property {Boolean} acceleration 当开启时，会根据滑动速度，连续滑动多屏，支付宝不支持（默认 false ）
|
||
|
|
* @property {Number} displayMultipleItems 同时显示的滑块数量，nvue、支付宝小程序不支持（默认 1 ）
|
||
|
|
* @property {String} easingFunction 指定swiper切换缓动动画类型， 只对微信小程序有效（默认 'default' ）
|
||
|
|
* @property {String} keyName list数组中指定对象的目标属性名（默认 'url' ）
|
||
|
|
* @property {String} imgMode 图片的裁剪模式（默认 'aspectFill' ）
|
||
|
|
* @property {String | Number} height 组件高度（默认 130 ）
|
||
|
|
* @property {String} bgColor 背景颜色（默认 '#f3f4f6' ）
|
||
|
|
* @property {String | Number} radius 组件圆角，数值或带单位的字符串（默认 4 ）
|
||
|
|
* @property {Boolean} loading 是否加载中（默认 false ）
|
||
|
|
* @property {Boolean} showTitle 是否显示标题，要求数组对象中有title属性（默认 false ）
|
||
|
|
* @event {Function(index)} click 点击轮播图时触发 index：点击了第几张图片，从0开始
|
||
|
|
* @event {Function(index)} change 轮播图切换时触发(自动或者手动切换) index：切换到了第几张图片，从0开始
|
||
|
|
* @example <u-swiper :list="list4" keyName="url" :autoplay="false"></u-swiper>
|
||
|
|
*/
|
||
|
|
export default {
|
||
|
|
name: 'u-swiper',
|
||
|
|
mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
|
||
|
|
data() {
|
||
|
|
return {
|
||
|
|
currentIndex: 0
|
||
|
|
}
|
||
|
|
},
|
||
|
|
watch: {
|
||
|
|
current(val, preVal) {
|
||
|
|
if(val === preVal) return;
|
||
|
|
this.currentIndex = val; // 和上游数据关联上
|
||
|
|
}
|
||
|
|
},
|
||
|
|
computed: {
|
||
|
|
itemStyle() {
|
||
|
|
return index => {
|
||
|
|
const style = {}
|
||
|
|
// #ifndef APP-NVUE || MP-TOUTIAO
|
||
|
|
// 左右流出空间的写法不支持nvue和头条
|
||
|
|
// 只有配置了此二值，才加上对应的圆角，以及缩放
|
||
|
|
if (this.nextMargin && this.previousMargin) {
|
||
|
|
style.borderRadius = uni.$u.addUnit(this.radius)
|
||
|
|
if (index !== this.currentIndex) style.transform = 'scale(0.92)'
|
||
|
|
}
|
||
|
|
// #endif
|
||
|
|
return style
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
methods: {
|
||
|
|
getItemType(item) {
|
||
|
|
if (typeof item === 'string') return uni.$u.test.video(this.getSource(item)) ? 'video' : 'image'
|
||
|
|
if (typeof item === 'object' && this.keyName) {
|
||
|
|
if (!item.type) return uni.$u.test.video(this.getSource(item)) ? 'video' : 'image'
|
||
|
|
if (item.type === 'image') return 'image'
|
||
|
|
if (item.type === 'video') return 'video'
|
||
|
|
return 'image'
|
||
|
|
}
|
||
|
|
},
|
||
|
|
// 获取目标路径，可能数组中为字符串，对象的形式，额外可指定对象的目标属性名keyName
|
||
|
|
getSource(item) {
|
||
|
|
if (typeof item === 'string') return item
|
||
|
|
if (typeof item === 'object' && this.keyName) return item[this.keyName]
|
||
|
|
else uni.$u.error('请按格式传递列表参数')
|
||
|
|
return ''
|
||
|
|
},
|
||
|
|
// 轮播切换事件
|
||
|
|
change(e) {
|
||
|
|
// 当前的激活索引
|
||
|
|
const {
|
||
|
|
current
|
||
|
|
} = e.detail
|
||
|
|
this.pauseVideo(this.currentIndex)
|
||
|
|
this.currentIndex = current
|
||
|
|
this.$emit('change', e.detail)
|
||
|
|
},
|
||
|
|
// 切换轮播时，暂停视频播放
|
||
|
|
pauseVideo(index) {
|
||
|
|
const lastItem = this.getSource(this.list[index])
|
||
|
|
if (uni.$u.test.video(lastItem)) {
|
||
|
|
// 当视频隐藏时，暂停播放
|
||
|
|
const video = uni.createVideoContext(`video-${index}`, this)
|
||
|
|
video.pause()
|
||
|
|
}
|
||
|
|
},
|
||
|
|
// 当一个轮播item为视频时，获取它的视频海报
|
||
|
|
getPoster(item) {
|
||
|
|
return typeof item === 'object' && item.poster ? item.poster : ''
|
||
|
|
},
|
||
|
|
// 点击某个item
|
||
|
|
clickHandler(index) {
|
||
|
|
this.$emit('click', index)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<style lang="scss" scoped>
|
||
|
|
@import "../../libs/css/components.scss";
|
||
|
|
|
||
|
|
.u-swiper {
|
||
|
|
@include flex;
|
||
|
|
justify-content: center;
|
||
|
|
align-items: center;
|
||
|
|
position: relative;
|
||
|
|
overflow: hidden;
|
||
|
|
|
||
|
|
&__wrapper {
|
||
|
|
flex: 1;
|
||
|
|
|
||
|
|
&__item {
|
||
|
|
flex: 1;
|
||
|
|
|
||
|
|
&__wrapper {
|
||
|
|
@include flex;
|
||
|
|
position: relative;
|
||
|
|
overflow: hidden;
|
||
|
|
transition: transform 0.3s;
|
||
|
|
flex: 1;
|
||
|
|
|
||
|
|
&__image {
|
||
|
|
flex: 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
&__video {
|
||
|
|
flex: 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
&__title {
|
||
|
|
position: absolute;
|
||
|
|
background-color: rgba(0, 0, 0, 0.3);
|
||
|
|
bottom: 0;
|
||
|
|
left: 0;
|
||
|
|
right: 0;
|
||
|
|
font-size: 28rpx;
|
||
|
|
padding: 12rpx 24rpx;
|
||
|
|
color: #FFFFFF;
|
||
|
|
flex: 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
&__indicator {
|
||
|
|
position: absolute;
|
||
|
|
bottom: 10px;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</style>
|