uniAPP 视频图片预览组件

效果图

思路：处理文件列表，根据文件类型归类

已兼容 H5 ios 设备，测试已通过 浙政钉，微信小程序
视频资源因为，没有预览图，用灰色图层加播放按钮代替

<template>
	<!--视频图片预览组件 -->
	<view v-if="list.length">
		<view class="back-medio">
			
			<view v-if="imgList.length" class="img-box" v-for="(item,index) in imgList" :key="index">
				<img :src="item.filepath" class="step-img" @click="viweImage(item.filepath)" />
				<view class="img-num" v-if="index == '0'">
					{{ list.length }}张
				</view>
			</view>
			<view v-if="videoList.length" v-for="(item,id) in videoList" :key="id+'d'" class="img-box"
				@click="playvideo(item)">
				<view class="step-img vide-back">
					<img :src="playIcon" class="playIcon" />
				</view>
			</view>
			</view>
		</view>
		<!-- 视频预览 兼容H5-->
		<uni-popup ref="videoShow" :mask-click="false">
<view class="viewVideo">
				<!-- 兼容H5 -->
				<view class="close" @click="fullscreenchange"></view>
				<video id="myVideo" :src="cVideo" object-fit='contain' autoplay="false" :controls="true"
show-fullscreen-btn="false" play-btn-position="center" show-loading='true'
					@fullscreenchange="fullscreenchange"></video>
			</view>
		</uni-popup>
	</view>
</template>
<script>

	export default {
		props: {
			list: {
				type: [Array,Object],
				default:[],
                // 示例数据
				// {
				//     "createTime": "2023-07-04 02:34:15",
				//     "modifyTime": "2023-07-04 02:34:15",
				//     "id": 4086,
				//     "filepath": "https://wsgz.deqing.gov.cn/images/4/20230704103415Dingtalk_20230526111858.jpg",
				//     "filename": "20230704103415Dingtalk_2023052
                // }
},
		},
		created() {
			this.init('1')
		},
		watch: {
			list() {
				this.init('1')
				console.log("ls",this.list)
			}
		},
data() {
			return {
				videoList: [], //媒体文件列表
				imgList: [], //媒体文件列表
				cVideo: '', //当前播放视频
				// 图标
				playIcon: 替换成播放图标bese64代码,
}
		},
		methods: {
			// 关闭视频弹窗
			close() {
				this.$refs.videoShow.close()
			},
// 点击视频封面预览视频
			playvideo(item) {
				console.log("播放", item)
				this.cVideo = item.filepath
				this.$refs.videoShow.open('top')
				this.videoContext = uni.createVideoContext('myVideo', this);
				// this.videoContext.requestFullScreen({
				// 	direction: 0
				// });
				this.videoContext.play()
			},
			// 视频0 满屏点击关闭
			fullscreenchange() {
				this.cVideo = ''
				this.videoContext.pause()
				this.close()
			},
            // 预览图片单张
			viweImage(e) {
				console.log(" 预览图片单张", e)
				uni.previewImage({
					current: 0,
					urls: [e]
				});
			},
            // 预览图片单张
			viweImage(e) {
				console.log(" 预览图片单张", e)
				uni.previewImage({
					current: 0,
					urls: [e]
				});
			},
init(bu) {
				console.log("dfsfsfss", bu, this.list,this.list.constructor)
				let th = this
				let arr =th.list
				th.videoList = []
				th.imgList = []
				arr.length && arr.forEach((item) => {
					// if (item.imgPath) {
					let type = item.fileExtName
					if (type == "mp4" || type == "rmvb" || type == "avi" || type == "ts") {
						th.videoList.push(item)
					} else {
						th.imgList.push(item)
					}
})
				// console.log("处理：", this.videoList, this.imgList)
			}
		}
}
</script>

<style lang="scss">
	.dynamic-img {
		margin-top: 20rpx;
		display: flex;
		flex-wrap: wrap;
		height: 120rpx;
		overflow: hidden;
image {
			height: 120rpx;
			width: 120rpx;
			margin-right: 16rpx;
		}

		.video-box {
			height: 120rpx;
			width: 120rpx;
			margin-right: 16rpx;
			position: relative;

			.triangle {
display: inline-block;
				font-size: 0;
				overflow: hidden;
				z-index: 2;
				top: 50rpx;
				right: 50rpx;
			}

			.triangle:before {
				content: "";
				position: relative;
				display: inline-block;
				border: 25rpx solid transparent;
			}
.triangle-right {
				position: absolute;
				right: 35rpx;
				top: 36rpx;
				border-top-right-radius: 50%;
				border-bottom-right-radius: 50%;
			}

			.triangle-right:before {
				left: 2px;
				border-right-width: 0;
				border-left-width: 50rpx;
				border-left-color: rgb(181, 181, 181);
			}

			.black {
				z-index: 1;
				position: absolute;
				top: 0;
				left: 0;
				height: 120rpx;
				width: 120rpx;
				background: #000000;
				opacity: 0.4;
			}
.video {
				position: absolute;
				top: 0;
			}
		}
	}

	.viewVideo {
        width: 100vw;
		min-height: 100vh;
		display: -webkit-box;
		display: -webkit-flex;
		display: flex;
		align-items: flex-start;
		justify-content: center;
		background: #000000;
		flex-wrap: wrap;
.close {
			width: 80rpx;
			height: 80rpx;
			z-index: 99999;
			position: relative;
			margin: 0 auto;
			top: 60rpx;
		}

		.close:before,
.close:after {
			position: absolute;
			left: 40rpx;
			content: ' ';
			height: 80rpx;
			width: 8rpx;
			background-color: #EFEFF4;
		}

		.close:before {
			transform: rotate(45deg);
		}

		.close:after {
			transform: rotate(-45deg);
		}
	}
#myVideo {
		width: 100vw;
		height: 80vh;
		margin: 20px 0;
	}
	.back-medio {
		display: flex;
		flex-wrap: wrap;
		height: 48.4px;
		overflow: hidden;

		.vide-back {
			background: #3a3939c4;
		}
.img-box {
			position: relative;
			width: 62.23px;
			height: 48.4px;
			margin-right: 8px;
			margin-bottom: 8px;
			overflow: hidden;
			.step-img {
				width: 62.23px;
				height: 48.4px;
				border-radius: 4px;
			}
.playIcon {
				width: 30px;
				height: 30px;
				margin: 9px 16px;
			}

			.img-num {
				position: absolute;
				top: 0;
				right: 0;
				height: 32rpx;
				line-height: 32rpx;
                padding: 0 10rpx;
				font-size: 20rpx;
				z-index: 8;
				color: #ffffff;
				background: rgba(0, 20, 54, 0.6);
				border-radius: 0px 20rpx;
			}
		}
	}
.video-box {
		width: 62.23px;
		height: 48.4px;

		.video::-webkit-media-controls {

			display: none !important
		}

	}
</style>