详解vue+css3做交互特效的方法(5)

日期：2020-05-11 栏目：程序人生浏览：次
javascript方式
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link rel="stylesheet" href="reset.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
  <style>
    .slide-img {
      width: 1000px;
      height: 500px;
      overflow: hidden;
      position: relative;
      margin: 20px auto;
    }

    ul {
      transition: all .5s ease;
    }

    li {
      float: left;
    }

    .slide-arrow div {
      width: 50px;
      height: 100px;
      position: absolute;
      margin: auto;
      top: 0;
      bottom: 0;
      background: url("http://i1.bvimg.com/1949/4d860a3067fab23b.jpg") no-repeat;
    }

    .arrow-right {
      transform: rotate(180deg);
      right: 0;
    }

    .arrow-left {
      left: 0;
    }
    .slide-option{
      position: absolute;
      bottom: 10px;
      width: 100%;
      left: 0;
      text-align: center;
    }
    .slide-option span{
      display: inline-block;
      width: 14px;
      height: 14px;
      border-radius: 100%;
      background: #ccc;
      margin: 0 10px;
    }
    .slide-option .active{
      background: #09f;
    }
  </style>
</head>
<body>
<div class="slide-img clear" id="slide-img">
  <!--用tran这个class控制ul是否含有过渡效果，样式已经写好-->
  <ul id="slide-img-ul">
    <!--遍历出来的图片-->
    <li style="width: 1000px;"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="images/timg1.jpg" class="slider-img"/></a></li>
    <li style="width: 1000px;"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="images/timg2.jpg" class="slider-img"/></a></li>
    <li style="width: 1000px;"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="images/timg3.jpg" class="slider-img"/></a></li>
    <li style="width: 1000px;"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="images/timg4.jpg" class="slider-img"/></a></li>
  </ul>
  <div class="slide-option">
    <span></span>
    <span></span>
    <span></span>
    <span></span>
  </div>
  <div class="slide-arrow">
    <div class="arrow-left"></div>
    <div class="arrow-right"></div>
  </div>
</div>
</body>
<script type="text/javascript">
  window.onload=function () {
    var oUl=document.querySelector('#slide-img-ul');
    var oLi=oUl.querySelectorAll('li');
    var oSpan=document.querySelector('.slide-option').querySelectorAll('span');
    var oArrowLeft=document.querySelector('.arrow-left');
    var oArrowRight=document.querySelector('.arrow-right');
    oUl.style.width='4000px';
    oArrowLeft.addEventListener('click',function () {
      switchDo('reduce');
    })
    oArrowRight.addEventListener('click',function () {
      switchDo();
    })
    var timer=null,nowIndex=0;
    function switchDo(reduce){
      clearInterval(timer);
      //设置样式
      oUl.style.transform='translate3d(-'+(1000*nowIndex)+'px,0,0)';
      for (var i=0;i<oSpan.length;i++){
        if(i===nowIndex){
          oSpan[i].className='active';
        }
        else{
          oSpan[i].className='';
        }
      }
      //根据reduce判断this.nowIndex的增加或者减少！
      if(reduce==='reduce'){
        //如果是第一张，就返回最后一张
        if(nowIndex===0){
          nowIndex=oLi.length-1;
        }
        else{
          nowIndex--;
        }
      }
      else{
        //如果是最后一张，就返回第一张
        if(nowIndex===oLi.length-1){
          nowIndex=0;
        }
        else{
          nowIndex++;
        }
      }
      timer=setInterval(function () {
        switchDo();
      },4000)
    }
    switchDo();
  }
</script>
</html>
转载注明出处：http://www.heiqu.com/1126.html
详解vue+css3做交互特效的方法(5)

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