基于Vue-cli的手写轮播图(无限轮播,切换,点击预览)【函数节流】


基于Vue-cli的手写轮播图(无限轮播,切换,点击预览)【函数节流】

【基于Vue-cli的手写轮播图(无限轮播,切换,点击预览)【函数节流】】在csdn这个平台上看到的文章,进行了一部分的修改,假封装成为一个组件,可以套用。
具体代码如下,部分有注释

> export default { name: 'dataCenter', props: { initialSpeed: { type: Number, default: 20 }, // 图片移动速度 initialInterval: { type: Number, default: 1 } // 如果是一个组件 接受外部传入的切换周期 }, data () { return { sliders: [ { img: 'http://img.hb.aicdn.com/adbde61e4343dedd21e97ea7f22666825a8db7d077ffe-qn8Pjn_fw658' }, { img: 'http://img.hb.aicdn.com/adeed7d28df6e776c2fa6032579c697381d1a82b7fe00-fwRqgn_fw658' }, { img: 'http://img.hb.aicdn.com/ab7f48509b3c0353017d9a85ef1d12400c9b2724540d4-p3zouo_fw658' }, { img: 'http://img.hb.aicdn.com/60f788fc2a846192f224b9e6d4904b30e54926211d3d67-ACFJ9G_fw658' }, { img: 'http://img.hb.aicdn.com/22ded455284aab361b8d2056e82f74a891a019704296a-PSraEB_fw658' }, { img: 'http://img.hb.aicdn.com/22ded455284aab361b8d2056e82f74a891a019704296a-PSraEB_fw658' }, { img: 'http://img.hb.aicdn.com/22ded455284aab361b8d2056e82f74a891a019704296a-PSraEB_fw658' } ], // 放图片的数组 imgWidth: 600, // 图片宽度 currentIndex: 1, // 原点起始位置 distance: -600, // 外层嵌套的初始移动距离 transitionEnd: true, // 防止多次快速点击切换出现问题的闸门 speed: this.initialSpeed, timer: null, // 定时器 imgNumber: 0, // 点击放大的图片 maskBol: false } }, computed: { containerStyle () { return { transform: `translate3d(${this.distance}px, 0, 0)` } }, interval () { return this.initialInterval * 1000 } }, created () { this.init() }, methods: { init () { this.play() }, move (offset, direction, speed) { // 移动一次的距离, 向左还是向右移动, 图片移动速度 if (!this.transitionEnd) return this.transitionEnd = false direction === -1 ? this.currentIndex += offset / this.imgWidth : this.currentIndex -= offset / this.imgWidth if (this.currentIndex > this.sliders.length) this.currentIndex = 1 if (this.currentIndex < 1) this.currentIndex = this.sliders.lengthconst destination = this.distance + offset * direction this.animate(destination, direction, speed) }, animate (des, direc, speed) { // 实际移动距离 想左还是向右 移动速度 负右正左 if (this.temp) { window.clearInterval(this.temp) this.temp = null } this.temp = window.setInterval(() => { if ((direc === -1 && des < this.distance) || (direc === 1 && des > this.distance)) { this.distance += speed * direc } else { this.transitionEnd = true window.clearInterval(this.temp) this.distance = des let allWidth = this.sliders.length * this.imgWidth if (des < -allWidth) this.distance = -this.imgWidth if (des > -this.imgWidth) this.distance = -allWidth } }, 10) }, jump (index) { const direction = index - this.currentIndex >= 0 ? -1 : 1 const offset = Math.abs(index - this.currentIndex) * this.imgWidth const jumpSpeed = Math.abs(index - this.currentIndex) === 0 ? this.speed : Math.abs(index - this.currentIndex) * this.speed this.move(offset, direction, jumpSpeed) }, // 自动播放函数 play () { if (!this.maskBol) { if (this.timer) { window.clearInterval(this.timer) this.timer = null } this.timer = window.setInterval(() => { this.move(this.imgWidth, -1, this.speed) }, this.interval) } }, stop () { window.clearInterval(this.timer) this.timer = null }, amplification (index) { this.imgNumber = index this.maskBol = true this.stop() }, maskFun () { this.maskBol = false this.play() } } } ="scss"> *{ box-sizing: border-box; margin:0; padding:0; } ol,ul{ list-style: none; } #dataCenter{ text-align: center; .window{ position:relative; width:600px; height:400px; margin:0 auto; overflow:hidden; .container{ display:flex; position:absolute; } .left, .right{ position:absolute; top:50%; transform:translateY(-50%); width:50px; height:50px; background-color:rgba(0,0,0,.3); border-radius:50%; cursor:pointer; } .left{ left:3%; padding-left:12px; padding-top:10px; } .right{ right:3%; padding-right:12px; padding-top:10px; } img{ user-select: none; } } .dots{ position:absolute; bottom:10px; left:50%; transform:translateX(-50%); } .dots li{ display:inline-block; width:15px; height:15px; margin:0 3px; border:1px solid white; border-radius:50%; background-color:#333; cursor:pointer; } .dots .dotted{ background-color:orange; } .mask-div{ width: 100vw; height: 100vh; background-color: rgba(0,0,0,.7); position: fixed; top: 0; left: 0; .mask-img{ margin-top: calc(50vh - 200px); } } }

作者:limingru
链接:https://juejin.im/post/5aaf0907f265da23870e9fed
来源:掘金

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