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vue无限轮播插件代码实例
2020-11-27 21:57:25 责编:小采
文档


思路:

要实现无限轮播,需要在轮播图前后各加一张图片,加在前面的是轮播图的最后一张图片(重复的),加在后面的是轮播图的第一张图片(重复的)。例:

<div class="wrapper-content">
 <img class="wrapper-content_img" 4" src="img/4.jpg"/>
 <img class="wrapper-content_img" 1" src="img/1.jpg"/>
 <img class="wrapper-content_img" 2" src="img/2.jpg"/>
 <img class="wrapper-content_img" 3" src="img/3.jpg" />
 <img class="wrapper-content_img" 4" src="img/4.jpg" />
 <img class="wrapper-content_img" 1" src="img/1.jpg" />
 </div>

然后再用left来控制滑动,当顺向到达alt为4的图片时,下一张滑到第六张图片,alt为1,同时改变index为1.然后立即将left移到第二张图片,alt为1那张。这样就不会被察觉

好了,贴代码

<!DOCTYPE html>
<html lang="en">
 <head>
 <meta charset="utf-8">
 <style>
 *{margin: 0;padding: 0}
 .wrapper{position: relative;overflow: hidden;}
 .wrapper-content{position: absolute;left: 0;z-index: 1;}
 .wrapper-content_img{border: none;outline:none;float: left}
 .wrapper-buttons{position: absolute;width: 100px;height: 20px;text-align: center;bottom: 3px;z-index: 2;}
 .wrapper-button{float: left;width: 20px;height: 20px;border-radius: 10px;background: gray;margin: 0 2.5px;cursor: pointer;}
 .wrapper-arrow{position: absolute;width: 40px;height:40px;cursor: pointer;background-color: RGBA(0,0,0,.3); color: #fff;display: none;top:50%;line-height: 40px;font-size: 36px;text-align: center;z-index: 2;}
 .wrapper:hover .wrapper-arrow{display: block;background-color: rgba(0,0,0,.7);}
 .wrapper-prev{left:10px;}
 .wrapper-next{right:10px;}
 .wrapper_on{background-color: yellow}
 .wrapper_trans{transition: left .3s ease}
 </style>
 </head>
 <body>
 <div id="app"> 
 <div class="wrapper" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}" @mouseover="stop" @mouseout="play">
 <div class="wrapper-content" :class="{wrapper_trans:isTrans}" :style="{width:originalData.img_width*(originalData.num+2)+'px',height:originalData.img_height+'px',left:-originalData.img_width+'px'}" ref="wrapperContent">
 <img class="wrapper-content_img" 4" src="img/4.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 <img class="wrapper-content_img" 1" src="img/1.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 <img class="wrapper-content_img" 2" src="img/2.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 <img class="wrapper-content_img" 3" src="img/3.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 <img class="wrapper-content_img" 4" src="img/4.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 <img class="wrapper-content_img" 1" src="img/1.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>
 </div>
 <div class="wrapper-buttons" :style="{left:(originalData.img_width-100)/2+'px'}">
 <span :class="['wrapper-button',{'wrapper_on':index==1}]" @click="turnTo(1)"></span>
 <span :class="['wrapper-button',{'wrapper_on':index==2}]" @click="turnTo(2)"></span>
 <span :class="['wrapper-button',{'wrapper_on':index==3}]" @click="turnTo(3)"></span>
 <span :class="['wrapper-button',{'wrapper_on':index==4}]" @click="turnTo(4)"></span>
 </div>

 <a href="javascript:;" rel="external nofollow" rel="external nofollow" class="wrapper-arrow wrapper-prev" :style="{marginTop:-originalData.btn_width/2+'px'}" @click="prev"><</a>
 <a href="javascript:;" rel="external nofollow" rel="external nofollow" class="wrapper-arrow wrapper-next" :style="{marginTop:-originalData.btn_width/2+'px'}" @click="next">></a>
 </div>
 </div>
 <a href="#" rel="external nofollow" style="width: 50px;height: 50px;position: absolute;top: 500px;">aaa</a>

 <script type="text/javascript" src="https://unpkg.com/vue@2.1.10/dist/vue.js"></script>
 <script type="text/javascript">
 new Vue({
 el:'#app',
 data:{
 originalData:{
 img_width:350,
 img_height:350,
 btn_width:40,
 btn_height:40,
 num:4,
 delay:300
 },
 isTrans:true,//因为到最后一张图片,index为1时,需要立即跳到第二张index也为1的图片,这个用来是否给出transition
 index:1,
 timer:null,//setInterval
 clickdelay:false//用来防止连续点击
 },
 methods:{
 next(){
 if(this.clickdelay){
 return 
 }
 this.clickdelay=true
 if(this.index==this.originalData.num){
 this.index=1
 }else{

 this.index+=1
 }
 this.animate(this.originalData.img_width)

 },
 prev(){
 if(this.clickdelay){
 return 
 }
 this.clickdelay=true
 if(this.index==1){
 this.index=this.originalData.num
 }else{
 this.index-=1
 }
 this.animate(-this.originalData.img_width) 
 },
 animate(offset){
 var node=this.$refs.wrapperContent
 var self=this;
 var left=parseInt(node.style.left)-offset
 this.isTrans=true
 node.style.left=left+'px'
 setTimeout(function(){
 if(left<-(self.originalData.num*self.originalData.img_width)){
 self.isTrans=false
 node.style.left=-self.originalData.img_width+'px'
 self.clickdelay=false //当到达最后一张图片时 
 }
 if(left>-100){
 self.isTrans=false
 node.style.left=-self.originalData.num*self.originalData.img_width+'px'
 self.clickdelay=false //当到达第一张图片时 
 }
 },this.originalData.delay)
 },
 play(){

 var self=this;
 this.timer=setInterval(function(){
 self.next()
 },2000)
 },
 stop(){
 this.clickdelay=false//用来防止连续点击
 clearInterval(this.timer)
 this.timer=null
 },
 turnTo(flag){
 if(flag==this.index){
 return
 }else{
 var offset=(flag-this.index)*this.originalData.img_width
 this.index=flag
 this.animate(offset)
 }

 }
 },

 mounted(){
 /*下面是判断过渡动画是否完成*/ 
 var node=this.$refs.wrapperContent
 var transitions = {
 'transition':'transitionend',
 'OTransition':'oTransitionEnd',
 'MozTransition':'transitionend',
 'WebkitTransition':'webkitTransitionEnd'
 }
 var self=this

 for(var t in transitions){

 if( node.style[t] !== undefined ){
 var transitionEvent=transitions[t];
 }
 }
 transitionEvent && node.addEventListener(transitionEvent, function() {
 self.clickdelay=false 
 });
 this.play()
 }
 })
 </script>
 </body>
</html>

以上所述是小编给大家介绍的vue无限轮播插件详解整合,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

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