详解vue+css3做交互特效的方法(4)

日期：2020-05-11 栏目：程序人生浏览：次
可能我说的大家有点懵，但是，看下面的代码，就不会懵了，因为代码也很简单！
vue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 :style="{'width':(listWidth*list.length)+'px','transform':'translate3d(-'+(listWidth*nowIndex)+'px,0,0)'}">
    <!--遍历出来的图片-->
    <li v-for="(li,index) in list" :style="{'width':listWidth+'px'}">
      <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
        <img :src="li" class="slider-img"/>
      </a>
    </li>
  </ul>
  <div class="slide-option">
    <span v-for="(li,index) in list" :class="{'active':index===nowIndex}"></span>
  </div>
  <div class="slide-arrow">
    <div class="arrow-left" @click.stop="switchDo('reduce')"></div>
    <div class="arrow-right" @click.stop="switchDo"></div>
  </div>
</div>
</body>
<script src="vue.min.js"></script>
<script type="text/javascript">
  new Vue({
    el: '#slide-img',
    data: {
      nowIndex: 0,
      listWidth: '1000',
      list: ['./images/timg1.jpg', './images/timg2.jpg', './images/timg3.jpg', './images/timg4.jpg'],
      timer:null
    },
    methods: {
      //滑动操作
      switchDo(reduce){
        clearInterval(this.timer);
        //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(this.nowIndex===0){
            this.nowIndex=this.list.length-1;
          }
          else{
            this.nowIndex--;
          }
        }
        else{
          //如果是最后一张，就返回第一张
          if(this.nowIndex===this.list.length-1){
            this.nowIndex=0;
          }
          else{
            this.nowIndex++;
          }
        }
        var _this=this;
        this.timer=setInterval(function () {
          _this.switchDo();
        },4000)

      },
    },
    mounted(){
      var _this=this;
      this.timer=setInterval(function () {
        _this.switchDo();
      },4000)
    }
  })
</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(4)

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