<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 mode="circle"></u-loading>
</view>
<swiper
v-else
class="u-swiper__wrapper"
:style="{
height: $u.addUnit(height),
}"
@change="change"
:circular="circular"
:interval="interval"
:duration="duration"
:autoplay="autoplayCom"
:current="currentIndex"
:currentItemId="currentItemId"
:previousMargin="$u.addUnit(previousMargin)"
:nextMargin="$u.addUnit(nextMargin)"
:acceleration="acceleration"
:displayMultipleItems="displayMultipleItemsCom"
: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: $u.addUnit(radius)
}"
></image>
<!-- #ifdef H5 || MP-WEIXIN || APP-NVUE -->
<!-- 只有h5和微信小程序和nvue可以直接播放视频 -->
<video
class="u-swiper__wrapper__item__wrapper__video"
v-if="getItemType(item) === 'video'"
:id="`video-${index}`"
:enable-progress-gesture="false"
:src="getSource(item)"
:poster="getPoster(item,'auto')"
:title="showTitle && $u.test.object(item) && item.title ? item.title : ''"
:style="{
height: $u.addUnit(height)
}"
:controls="true"
:show-mute-btn="true"
:autoplay="videoAutoplayFn(index)"
:muted="videoMuted"
:object-fit="item.objectFit"
@tap="clickHandler(index)"
@ended="videoEnded(index)"
></video>
<!-- #endif -->
<!-- #ifndef H5 || MP-WEIXIN || APP-NVUE-->
<!-- 其他端只能展示图片，点击图片播放视频 -->
<image
v-if="getItemType(item) === 'video'"
class="u-swiper__wrapper__item__wrapper__image"
:src="getPoster(item)"
mode="aspectFill"
:style="{
height: $u.addUnit(height),
borderRadius: $u.addUnit(radius)
}"
></image>
<image
v-if="getItemType(item) === 'video'"
class="play-btn"
src="data:image/png;base64,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"
mode="widthFix"
@tap.stop="previewVideo(index)"
></image>
<!-- #endif -->
<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>
<u-popup v-model="videoPopup.show" mode="center" :duration="0" :blur="10" :closeable="true">
<video
v-if="videoPopup.show"
class="u-swiper__wrapper__item__wrapper__video"
:enable-progress-gesture="false"
:src="videoPopup.url"
:poster="videoPopup.poster"
style="height: 60vh;"
:controls="true"
:show-mute-btn="true"
:autoplay="true"
:muted="false"
object-fit="contain"
@ended="videoEnded(index)"
></video>
</u-popup>
</view>
</template>
<script>
import uSwiperIndicator from "./components/u-swiper-indicator"
/**
* 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',
emits: ["click", "change"],
components:{
uSwiperIndicator
},
props: {
// 列表数组，元素可为字符串，如为对象可通过keyName指定目标属性名
list: {
type: [Array, null],
default () {
return [];
}
},
// 是否显示面板指示器
indicator: {
type: Boolean,
default: false
},
// 指示器非激活颜色
indicatorActiveColor: {
type: String,
default: "#FFFFFF"
},
// 指示器的激活颜色
indicatorInactiveColor: {
type: String,
default: "rgba(255, 255, 255, 0.35)"
},
// 指示器样式，可通过bottom，left，right进行定位
indicatorStyle: {
type: [String, Object],
default: '',
},
// 指示器模式，line-线型，dot-点型
indicatorMode: {
type: String,
default: 'line',
},
// 是否自动切换
autoplay: {
type: Boolean,
default: true
},
// 当前所在滑块的 index
current: {
type: [String, Number],
default: 0
},
// 当前所在滑块的 item-id ，不能与 current 被同时指定
currentItemId: {
type: String,
default: '',
},
// 滑块自动切换时间间隔
interval: {
type: [String, Number],
default: 3000
},
// 滑块切换过程所需时间
duration: {
type: [String, Number],
default: 300
},
// 播放到末尾后是否重新回到开头
circular: {
type: Boolean,
default: false
},
// 前边距，可用于露出前一项的一小部分，nvue和支付宝不支持
previousMargin: {
type: [String, Number],
default: 0
},
// 后边距，可用于露出后一项的一小部分，nvue和支付宝不支持
nextMargin: {
type: [String, Number],
default: 0
},
// 当开启时，会根据滑动速度，连续滑动多屏，支付宝不支持
acceleration: {
type: Boolean,
default: false
},
// 同时显示的滑块数量，nvue、支付宝小程序不支持
displayMultipleItems: {
type: Number,
default: 1
},
// 指定swiper切换缓动动画类型，有效值：default、linear、easeInCubic、easeOutCubic、easeInOutCubic
// 只对微信小程序有效
easingFunction: {
type: String,
default: 'default'
},
// list数组中指定对象的目标属性名
keyName: {
type: String,
default: 'url'
},
// 图片的裁剪模式
imgMode: {
type: String,
default: 'aspectFill'
},
// 组件高度
height: {
type: [String, Number],
default: 130
},
// 背景颜色
bgColor: {
type: String,
default: '#f3f4f6'
},
// 组件圆角，数值或带单位的字符串
radius: {
type: [String, Number],
default: 4
},
// 是否加载中
loading: {
type: Boolean,
default: false
},
// 是否显示标题，要求数组对象中有title属性
showTitle: {
type: Boolean,
default: false
},
// 视频是否自动播放
videoAutoplay: {
type: Boolean,
default: false
},
// 视频是否静音播放
videoMuted: {
type: Boolean,
default: false
},
},
data() {
return {
$u: uni.$u,
currentIndex: 0,
videoPopup: {
show: false,
url: ""
}
}
},
watch: {
current(val, preVal) {
if(val === preVal) return;
this.currentIndex = val; // 和上游数据关联上
},
// #ifdef H5 || MP-WEIXIN || APP-NVUE
currentIndex(newVal, oldVal){
if (this.checkIsVideo(oldVal)) {
// 如果是视频，则暂停
this.videoPopup.show = false;
this.videoPopup.url = "";
let videoContext = uni.createVideoContext(`video-${oldVal}`, this);
videoContext.pause();
videoContext.exitFullScreen();
}
if (this.checkIsVideo(newVal) && this.videoAutoplay) {
// 如果是视频，则播放
let videoContext = uni.createVideoContext(`video-${newVal}`, this);
videoContext.play();
}
}
// #endif
},
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.$u.addUnit(this.radius)
if (index !== this.currentIndex) style.transform = 'scale(0.92)'
}
// #endif
return style
}
},
mutedCom() {
// #ifdef H5
return true;
// #endif
// #ifndef H5
return false;
// #endif
},
currentIsVideoCom(){
let { currentIndex } = this;
return this.checkIsVideo(currentIndex);
},
autoplayCom() {
let { autoplay, currentIsVideoCom } = this;
return currentIsVideoCom ? false : autoplay;
},
displayMultipleItemsCom(){
let { displayMultipleItems, list } = this;
if (list && list.length > 0) {
return displayMultipleItems;
} else {
return 0
}
}
},
methods: {
getItemType(item) {
if (typeof item === 'string') return uni.$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.currentIndex = current
this.$emit('change', e.detail)
},
// 当一个轮播item为视频时，获取它的视频海报
getPoster(item, mode) {
let { height } = this;
if (mode === "auto") {
return;
}
if (typeof item === 'object' && item.poster) {
return item.poster;
}
let url = this.getSource(item);
if (url.indexOf("cdn.bspapp.com")>-1 || url.indexOf("aliyuncs.com")>-1) {
// 只有阿里云oss才支持
let poster = `${url}?x-oss-process=video/snapshot,t_2000,f_jpg,w_0,h_0,m_fast,ar_auto`;
return poster;
} else {
return;
}
},
// 点击某个item
clickHandler(index) {
this.$emit('click', index)
},
// 下一页
nextPage(){
let { currentIndex=0, list=[] } = this;
currentIndex++;
currentIndex = currentIndex % list.length;
this.currentIndex = currentIndex;
},
// 视频播放完毕后
videoEnded(index){
if (!this.videoPopup.show) {
setTimeout(() => {
this.nextPage();
}, 1000);
}
},
// 检测当前轮播显示的是否是视频
checkIsVideo(index){
let { list, currentIndex } = this;
if (typeof index === "undefined") index = currentIndex;
let item = list[index];
return this.getItemType(item) === "video" ? true : false;
},
// 预览视频
previewVideo(index){
let { list, currentIndex } = this;
if (typeof index === "undefined") index = currentIndex;
let item = list[index];
this.videoPopup.show = true;
this.videoPopup.url = this.getSource(item);
},
videoAutoplayFn(index){
let { list, current, videoAutoplay } = this;
if (index === current && videoAutoplay) {
return true;
} else {
return false;
}
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/style.components.scss";
.u-swiper {
@include vue-flex;
justify-content: center;
align-items: center;
position: relative;
overflow: hidden;
&__wrapper {
flex: 1;
&__item {
flex: 1;
&__wrapper {
@include vue-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;
}
.play-btn{
position: absolute;
width: 100rpx;
height: 100rpx;
top:calc(50% - 50rpx);
left:calc(50% - 50rpx);
display: block;
z-index: 99;
}
}
</style>