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vue無限輪播插件代碼實(shí)例

2019-11-19 11:36:26
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供稿:網(wǎng)友

思路:

要實(shí)現(xiàn)無限輪播,需要在輪播圖前后各加一張圖片,加在前面的是輪播圖的最后一張圖片(重復(fù)的),加在后面的是輪播圖的第一張圖片(重復(fù)的)。例:

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

然后再用left來控制滑動(dòng),當(dāng)順向到達(dá)alt為4的圖片時(shí),下一張滑到第六張圖片,alt為1,同時(shí)改變index為1.然后立即將left移到第二張圖片,alt為1那張。這樣就不會(huì)被察覺

好了,貼代碼

<!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" alt="4" src="img/4.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>        <img class="wrapper-content_img" alt="1" src="img/1.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>        <img class="wrapper-content_img" alt="2" src="img/2.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>        <img class="wrapper-content_img" alt="3" src="img/3.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>        <img class="wrapper-content_img" alt="4" src="img/4.jpg" :style="{width:originalData.img_width+'px',height:originalData.img_height+'px'}"/>        <img class="wrapper-content_img" alt="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?yàn)榈阶詈笠粡垐D片,index為1時(shí),需要立即跳到第二張index也為1的圖片,這個(gè)用來是否給出transition        index:1,        timer:null,//setInterval        clickdelay:false//用來防止連續(xù)點(diǎn)擊      },      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.$refs.wrapperContent          var self=this;          var left=parseInt(node.style.left)-offset          this.isTrans=true          node.style.left=left+'px'          setTimeout(function(){            if(left<-(self.originalData.num*self.originalData.img_width)){              self.isTrans=false              node.style.left=-self.originalData.img_width+'px'              self.clickdelay=false //當(dāng)?shù)竭_(dá)最后一張圖片時(shí)             }            if(left>-100){              self.isTrans=false              node.style.left=-self.originalData.num*self.originalData.img_width+'px'              self.clickdelay=false //當(dāng)?shù)竭_(dá)第一張圖片時(shí)             }          },this.originalData.delay)        },        play(){          var self=this;          this.timer=setInterval(function(){            self.next()          },2000)        },        stop(){          this.clickdelay=false//用來防止連續(xù)點(diǎn)擊          clearInterval(this.timer)          this.timer=null        },        turnTo(flag){          if(flag==this.index){            return          }else{            var offset=(flag-this.index)*this.originalData.img_width            this.index=flag            this.animate(offset)          }        }      },      mounted(){        /*下面是判斷過渡動(dòng)畫是否完成*/         var node=this.$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>

以上所述是小編給大家介紹的vue無限輪播插件詳解整合,希望對(duì)大家有所幫助,如果大家有任何疑問請(qǐng)給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)武林網(wǎng)網(wǎng)站的支持!

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