uniapp安卓端swiper嵌套swiper图片轮播和视频时，滑动图片不流畅问题，仿抖音效果

刺骨的言语ヽ痛彻心扉 2023-10-06 23:28 10阅读 0赞

还是VueM项目中，当图片和视频轮播切换时候，ios端是流畅的，但是安卓端不行，，，非常不流畅，滑动十下，可能只有一下会触发滑动事件，所以就有了手动监听滑动方向，动态改变滑屏的效果：

最后层绑定滑屏索引：

![dd26858e4d844ff4b90bfb1548eaee95.png][]

![0a2dbd358cec463983adc8bbf63613af.png][]

然后监听滑动的Y坐标:

![d87c2d67a90549b4a6ceb7076fdafcb5.png][]

然后滑动结束时候判断滑动位置和滑动距离，从而确定是向哪里滑动，再动态切换滑屏项

![ba16649b377e4df98883ea1aed7af799.png][]

但是这个会影响ios端的正常播放,,,,,,

要通过判断平台来决定是否增加这个代码:

![e0914ea5f0844a55a47a2a8a38aeba12.png][]

全部代码：

<template>
    	<swiper class="swiper" :current="wrapIndex" :style="{height:screenHeight+'px', width: windowWidth + 'px'}"
    		:vertical="true" @change="change" @touchstart="touchStart" @touchend="touchEnd">
    		<swiper-item v-for="item of videoList" :style="{height:screenHeight+'px', width: windowWidth + 'px'}"
    			:key="item.id" ref="swiperItem" :data-type="item.type" class="swiper-item">
    			<videoPlayer v-if="item.type === 'video'" :video="item" :screenHeight="screenHeight"
    				:windowWidth="windowWidth" :style="{height:screenHeight+'px', width: windowWidth + 'px'}" ref="player">
    			</videoPlayer>
    			<swiper v-else class="swiper" circular :indicator-dots="true" :autoplay="true" @change="changeswiper"
    				:current="currentImgIndex" :style="{height:screenHeight+'px', width: windowWidth + 'px'}">
    				<swiper-item v-for="(img,index) in item.imgList" :key="index">
    					<image :src="img" mode="scaleToFill" :style="{height:screenHeight+'px', width: windowWidth + 'px'}">
    					</image>
    				</swiper-item>
    			</swiper>
    		</swiper-item>
    	</swiper>
    </template>
    
    <script>
    	import videoPlayer from "./components/videoPlayer.nvue"
    	var time = null
    	export default {
    		props: ["myList"],
    		components: {
    			videoPlayer,
    		},
    		name: "video-list",
    		data() {
    			return {
    				videoList: [{
    						id: 7,
    						type: "image",
    						imgList: [
    							'https://img-blog.csdnimg.cn/img_convert/4ce460a31366926464acc88c991721d9.jpeg',
    							'https://img-blog.csdnimg.cn/img_convert/a8d701d5adc9008ca018905f43c34145.jpeg',
    							'https://img-blog.csdnimg.cn/img_convert/3090b46bd91e5c7ee5d78d988fbae0bd.jpeg',
    							"https://img-blog.csdnimg.cn/img_convert/08acb513a12e1d7d654cc43cf4e2ee48.jpeg",
    							"https://img-blog.csdnimg.cn/img_convert/eebf7eefba5849ef9788e32c148061c8.jpeg"
    						],
    					}, {
    						id: 1,
    						type: "video",
    						preImg: "http://p1-q.mafengwo.net/s16/M00/8D/4D/CoUBUmFZOWKAA8mQAA8Oww0vs7k240.jpg",
    						src: "https://txmov2.a.yximgs.com/upic/2020/03/14/16/BMjAyMDAzMTQxNjIwMDlfMTI0OTQzNzMzOV8yNDk0OTExNDY1NF8xXzM=_b_B8cf5a4391531e161385a32cdadfef87c.mp4"
    					},
    					{
    						id: 8,
    						type: "image",
    						imgList: [
    							'https://img-blog.csdnimg.cn/img_convert/eb06724f35a0436820a23b388c8c7217.jpeg',
    							'https://img-blog.csdnimg.cn/img_convert/3090b46bd91e5c7ee5d78d988fbae0bd.jpeg',
    							"https://img-blog.csdnimg.cn/img_convert/08acb513a12e1d7d654cc43cf4e2ee48.jpeg",
    							"https://img-blog.csdnimg.cn/img_convert/eebf7eefba5849ef9788e32c148061c8.jpeg"
    						],
    					},
    					{
    						id: 2,
    						type: "video",
    						preImg: "http://b1-q.mafengwo.net/s16/M00/23/F3/CoUBUmFbN5OAGqEkAA4O0V-U1uo031.jpg",
    						src: "https://txmov2.a.yximgs.com/upic/2020/10/02/09/BMjAyMDEwMDIwOTAwMDlfMTIyMjc0NTk0Ml8zNjk3Mjg0NjcxOF8xXzM=_b_B28a4518e86e2cf6155a6c1fc9cf79c6d.mp4"
    					},
    					{
    						id: 3,
    						type: "video",
    						preImg: "http://p1-q.mafengwo.net/s16/M00/23/F4/CoUBUmFbN5WAbMikAA5cYlWno5U709.jpg",
    						src: "https://txmov6.a.yximgs.com/upic/2020/08/23/00/BMjAyMDA4MjMwMDMyNDRfMTYzMzY5MDA0XzM0ODI4MDcyMzQ5XzFfMw==_b_B9a1c9d4e3a090bb2815994d7f33a906a.mp4"
    					},
    					{
    						id: 4,
    						type: "video",
    						preImg: "http://p1-q.mafengwo.net/s18/M00/E6/C0/CoUBYGFceTyAOSBqABFXcMPFJ1w112.jpg",
    						src: "https://alimov2.a.yximgs.com/upic/2020/03/04/15/BMjAyMDAzMDQxNTU3MTdfMzE3MDM5OTAzXzI0NDUwNjQ1MzgxXzFfMw==_b_B53c20819cb9a2103b9805b0144f545cf.mp4"
    					},
    					{
    						id: 5,
    						type: "video",
    						preImg: "http://p1-q.mafengwo.net/s18/M00/E6/C0/CoUBYGFceTyAOSBqABFXcMPFJ1w112.jpg",
    						src: "https://txmov2.a.yximgs.com/upic/2020/07/14/16/BMjAyMDA3MTQxNjEyNDBfMTU3MDQyNjA0XzMyMzUyOTQ4NzM0XzJfMw==_b_Bd53949260b17aaa7b712526aa61e590a.mp4"
    					},
    					{
    						id: 6,
    						type: "video",
    						preImg: "http://p1-q.mafengwo.net/s18/M00/E6/C0/CoUBYGFceTyAOSBqABFXcMPFJ1w112.jpg",
    						src: "https://txmov2.a.yximgs.com/upic/2020/09/28/15/BMjAyMDA5MjgxNTAwMTlfNjk3OTM4NjUzXzM2NzQyNzU5MzA2XzFfMw==_b_B6e8aca57e704ac40b34856eb663b8d57.mp4"
    					},
    				],
    				screenHeight: 0,
    				windowWidth: 0,
    				currentImgIndex: 0,
    				wrapIndex: 0
    			};
    		},
    		mounted() {
    			uni.getSystemInfo({
    				success: (res) => {
    					console.log("首页获取到的页面高度:windowHeight", res.windowHeight);
    					console.log("首页获取到的页面高度:windowWidth", res.windowWidth);
    					this.windowWidth = res.windowWidth;
    					this.screenHeight = res.windowHeight;
    				}
    			});
    		},
    		methods: {
    			change(res) {
    				console.log("change事件执行了");
    				this.wrapIndex = res.detail.current
    				this.page = res.detail.current
    				let swiperPre = this.$refs.swiperItem[this.page - 1]
    				let swiperItem = this.$refs.swiperItem[this.page]
    				let swiperNext = this.$refs.swiperItem[this.page + 1]
    				let currentType = swiperItem.$attrs["dataType"]
    				time = setTimeout(() => {
    					if ((this.pageStartY - this.pageEndY) > 150) {
    						console.log("向上滑动当前页:" + this.page);
    						console.log("当前媒体类型:" + currentType);
    						if (currentType === "video") {
    							swiperItem.$children[0].playVideo()
    							this.pageStartY = 0
    							this.pageEndY = 0
    						} else {
    							console.log("改变图片索引:");
    							this.currentImgIndex = 0
    						}
    						if (swiperPre.$attrs["dataType"] === "video") {
    							swiperPre.$children[0].pauseVideo()
    						}
    					} else if ((this.pageStartY - this.pageEndY) < -150) {
    						console.log("向下滑动" + this.page);
    						console.log("当前媒体类型:" + currentType);
    						// console.log("改变当前显示图片索引:", this.currentImgIndex);
    						if (currentType === "video") {
    							swiperItem.$children[0].playVideo()
    							this.pageStartY = 0
    							this.pageEndY = 0
    						} else {
    							console.log("改变图片索引:");
    							this.currentImgIndex = 0
    						}
    						if (swiperNext.$attrs["dataType"] === "video") {
    							swiperNext.$children[0].pauseVideo()
    						}
    					}
    				}, 1)
    			},
    			touchStart(res) {
    				this.pageStartY = res.changedTouches[0].pageY;
    				console.log("touchStart：" + this.pageStartY);
    			},
    			touchEnd(res) {
    				this.pageEndY = res.changedTouches[0].pageY;
    				console.log("touchEnd：" + this.pageEndY);
    				let platform = uni.getSystemInfoSync().platform;
    				if (platform == 'android') {
    					if ((this.pageStartY - this.pageEndY) > 150) {
    						console.log("向上滑动:");
    						if (this.wrapIndex < (this.videoList.length - 1)) {
    							this.wrapIndex = this.wrapIndex + 1
    						}
    					} else if ((this.pageStartY - this.pageEndY) < -150) {
    						console.log("向下滑动:");
    						if (this.wrapIndex > 1) {
    							this.wrapIndex = this.wrapIndex - 1
    						}
    					}
    				}
    			},
    			changeswiper(e) {
    				this.currentImgIndex = e.detail.current
    			}
    		},
    		watch: {
    			myList() {
    				this.list = this.myList;
    			}
    		}
    	}
    </script>
    
    <style>
    	.swiper-img {
    		width: 100vw;
    		height: 100vh;
    	}
    
    	/* 	.left-box {
    		z-index: 20;
    		position: absolute;
    		bottom: 50px;
    		left: 10px;
    	}
    
    	.right-box {
    		z-index: 20;
    		position: absolute;
    		bottom: 50px;
    		right: 10px;
    	} */
    </style>

[dd26858e4d844ff4b90bfb1548eaee95.png]: https://img-blog.csdnimg.cn/dd26858e4d844ff4b90bfb1548eaee95.png
[0a2dbd358cec463983adc8bbf63613af.png]: https://img-blog.csdnimg.cn/0a2dbd358cec463983adc8bbf63613af.png
[d87c2d67a90549b4a6ceb7076fdafcb5.png]: https://img-blog.csdnimg.cn/d87c2d67a90549b4a6ceb7076fdafcb5.png
[ba16649b377e4df98883ea1aed7af799.png]: https://img-blog.csdnimg.cn/ba16649b377e4df98883ea1aed7af799.png
[e0914ea5f0844a55a47a2a8a38aeba12.png]: https://img-blog.csdnimg.cn/e0914ea5f0844a55a47a2a8a38aeba12.png