vue实现循环滚动图片
作者:suoh's Blog
这篇文章主要为大家详细介绍了vue实现循环滚动图片,多图片轮播,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文实例为大家分享了vue实现循环滚动图片的具体代码,供大家参考,具体内容如下
效果(循环滚动,可切换方向):
轮播组件BaseSwiper.vue:
<template> <div class="swiperBox"> <img class="imgLeft" @click="clickLeft" src="../../../assets/img/左.png" alt=""> <img class="imgRight" @click="clickRight" src="../../../assets/img/右.png" alt=""> <div id="swiper"> <div class="imgBox"> <div class="imgDiv" v-for="(item,index) of imgList" :key="index"> <img :src="item" /> </div> </div> </div> </div> </template> <script> export default { name: 'BaseSwiper', props: { speed: Number, direction: String, }, data() { return { imgList: [ require('../../../assets/img/组 14.png'), require('../../../assets/img/组 15.png'), require('../../../assets/img/组 17.png'), require('../../../assets/img/组 18.png'), require('../../../assets/img/组 24.png'), ], timer: null, theSpeed: this.speed, imgWidth: 260, theDirection: this.direction, } }, methods: { clickLeft() { this.theDirection = 'left'; }, clickRight() { this.theDirection = 'right'; }, }, mounted() { let imgBox = document.getElementsByClassName('imgBox')[0]; //将imgBox下的图片进行拼接 循环展示图片 imgBox.innerHTML += imgBox.innerHTML; let imgDiv = document.getElementsByClassName('imgDiv'); imgBox.style.width = imgDiv.length * this.imgWidth + 'px';//设置div的宽度使图片可以放下 let self = this; console.log(imgBox.offsetWidth,imgBox.style.width ) function autoScroll() { if (imgBox.offsetLeft < -(imgBox.offsetWidth / 2)) {//提前更新left值,实现循环展示 imgBox.style.left = 0; } if (imgBox.offsetLeft > 0) {//向右滚动 提前更新left值,实现循环展示 imgBox.style.left = -(imgBox.offsetWidth / 2) + 'px'; } if (self.theDirection == 'left') { //向左滚动,值为负 self.theSpeed = -Math.abs(self.theSpeed) } else { //向右滚动 self.theSpeed = Math.abs(self.theSpeed) } // 求出总的left值,等于left值加上移动的速度(px值) imgBox.style.left = imgBox.offsetLeft + self.theSpeed + 'px'; } this.timer = setInterval(autoScroll, 30);//全局变量 ,保存返回的定时器 }, beforeDestroy() { clearInterval(this.timer); this.timer = null; } } </script> <style scoped lang='less'> .swiperBox { height: 100%; width: 100%; position: relative; .imgLeft { left: 0; top: 40%; } .imgLeft, .imgRight { width: 27px; height: 38px; position: absolute; cursor: pointer; } .imgRight { right: 0; top: 40%; } .directionIcon:hover { opacity: 1; } #swiper { width: 90%; height: 100%; margin: 0 auto; overflow: hidden; position: relative; .imgBox { height: 100%; position: absolute; left: 0; top: 0; overflow: hidden; display: flex; .imgDiv { width: 100%; margin-left: 15px; img { height: 100%; width: 280px; // width: 260px; // height: 120px; } } } } } </style>
父组件调用,只贴出关键代码:
<Swiper :speed="2" :direction="'left'"></Swiper> //引用 import Swiper from '../BaseSwiper/BaseSwiper' components: { Swiper },
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。