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							- <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="$u.test.image(getSource(item))"
 
- 						:src="getSource(item)"
 
- 						:mode="imgMode"
 
- 						@tap="clickHandler(index)"
 
- 						:style="{
 
- 							height: $u.addUnit(height)
 
- 						}"
 
- 					></image>
 
- 					<video
 
- 						class="u-swiper__wrapper__item__wrapper__video"
 
- 						v-if="$u.test.video(getSource(item))"
 
- 						: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
 
- 					></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
 
- 			}
 
- 		},
 
- 		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: {
 
- 			// 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 {
 
- 				&__wrapper {
 
- 					@include flex;
 
- 					position: relative;
 
- 					overflow: hidden;
 
- 					transition: transform 0.3s;
 
- 					&__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>
 
 
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