<template> 
 <div ref="root">   
  <div class="sliderPanel"> 
   <div v-for="(item,index) in imgArray" class="verticalCenter picbox"> 
    <transition name="slide-fade"> 
      <img :style="{width:width,top:top}" @mouseover="clearAuto" @mouseout="slideAuto" v-show="index===selectIndex" :src="item.url" style="min-height: 100%"> 
    </transition> 
   </div> 
  </div> 
  <div @click="clickLeft" @mouseover="clearAuto" @mouseout="slideAuto" class="arrowLeft verticalCenter horizaCenter"> 
     左移 
  </div> 
  <div @click="clickRight" @mouseover="clearAuto" @mouseout="slideAuto" class="arrowRight verticalCenter horizaCenter"> 
    右移 
  </div> 
  <div class="sliderBar horizaCenter"> 
   <div v-for="(item,index) in imgArray" @mouseover="clearAuto" @mouseout="slideAuto" @click="setIndex(index)" class="circle" :class="{circleSelected:index===selectIndex}"> 
   </div> 
  </div> 
 </div> 
</template> 
<script> 
 const SCREEN_WIDTH=document.body.clientWidth//網(wǎng)頁(yè)可見(jiàn)區(qū)域?qū)?
 const SCREEN_HEIGHT=document.body.scrollHeight//網(wǎng)頁(yè)正文全文高 
 var selectIndex=0 
 var timer=null 
 export default { 
  name: "ErCarousel", 
  data() { 
    return { 
         selectIndex:0, 
          width:'100%', 
      height:SCREEN_HEIGHT+'px', 
      top:0, 
      imgArray:[ 
       { 
        url:'/src/components/carousel/image/1.jpg', 
       }, 
       { 
        url:'/src/components/carousel/image/2.jpg', 
       }, 
       { 
        url:'/src/components/carousel/image/3.jpg', 
       } 
      ] 
    } 
  }, 
  methods:{ 
     slideAuto:function () { 
      var that=this; 
    timer=setInterval(function(){  
      that.clickRight();    
   },3000) 
    //clearInterval(timer); 
   }, 
   clearAuto:function(){ 
    clearInterval(timer); 
   }, 
     clickLeft:function(){ 
      if(this.selectIndex==0){ 
        this.selectIndex=this.imgArray.length-1; 
      }else{ 
        this.selectIndex--; 
      } 
      console.log(this.selectIndex); 
      
   }, 
   clickRight:function(){ 
    if(this.selectIndex==this.imgArray.length-1){ 
        this.selectIndex=0; 
      }else{ 
        this.selectIndex++; 
      } 
   }, 
   setIndex:function (index) { 
    this.selectIndex=index; 
   } 
  }, 
  mounted:function(){ 
  this.slideAuto();   
  } 
} 
 
</script> 
<style>