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css实现广告动画

css实现广告动画

作者: 蓝光梦想 | 来源:发表于2018-05-11 12:18 被阅读0次

    在PC版本浏览器上添加活动广告动画

    一、html部分

    二、css部分

    .clearfix:after {

        content: "";

        display: block;

        height: 0;

        visibility: hidden; /*隐藏盒子*/

        clear: both; /*清除浮动*/

      }

      .clearfix {

        *zoom: 1; /* * 代表ie6、7能识别的特殊符号。zoom就是ie6、7清除浮动的方法。’*/

      }

      .left{

      float:left;

      }

    .main-wraper{

    position:absolute;

    top:0;

    left:0;

    right:0;

    bottom:0;

    background-color:#fff;

    }

    .main-footer{

    position:fixed;

    bottom:0;

    width:100%;

    height:130px;

        background: rgba(54, 54, 54, 0.75);

        box-shadow: 0px -2px 6px 0px rgab(0, 0, 0, 0.15);

    }

    .footer{

    padding:0 calc((100vw - 331px)/2);

    }

    .footer-banner{

    width:256px;

    height:208px;

    position:relative;

    bottom:78px;

    margin:0 20px;

    background:url(./images/ceremony-banner.png) no-repeat;

    background-size:100%;

    background-size:cover;

    }

    .footer-close{

            float: left;

            margin: 20px 0 0 20px;

            width: 15px;

            height: 15px;

            background: url(./images/ceremony-close.png) no-repeat;

            background-size: 100%;

            background-size: cover;

            cursor: pointer;

    }

      .main-footer-shrink{

      position:fixed;

      left:0;

      bottom:20px;

      width:114px;

      height:46px;

      line-height: 46px;

          background: rgba(54, 54, 54, 0.75);

        box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);

    border-radius: 0px 4px 4px 0px;

        cursor: pointer;

      }

          .main-footer-shrink-default span {

          font-size: 14px;

        font-family: PingFangSC-Regular;

          color: rgba(255, 255, 255, 1);

        }

        .main-footer-shrink-default i{

          display: inline-block;

          padding-left: 5px;

          box-sizing: border-box;

          font-style: normal;

          width: 6px;

          height: 10px;

          background: url(./images/ceremony-arrow.png)no-repeat;

          background-size: 100%;

          background-size: cover;

        }

        @keyframes fade-in{

        0%{

        opacity: 0;

        transform:translateX(-100%);

        }

        49%{

        opacity:0;

        }

        50%{

        opacity: 1;

        transition:all 0.5 linear;

        }

        100%{

        opacity:1;

        }

        }

          .main-footer-transform-show {

        animation: fade-in;

        animation-duration: 1s;

      }

      .main-footer-transform-hide {

        transform: translateX(-100%);

        transition: all 0.5s linear;

      }

          .main-footer-shrink-transform-show {

        animation: fade-in;

        animation-duration: 1s;

      }

      .main-footer-shrink-transform-hide {

        transform: translateX(-100%);

        transition: all 0.5s linear;

      }

    三、javascript部分

    let closeBanner = document.querySelector('.footer-close')

    let footer = document.querySelector('.main-footer')

    let footerShrink = document.querySelector('.main-footer-shrink-default')

    closeBanner.addEventListener('click',()=>{

    footer.classList.remove('main-footer-transform-show')

    footerShrink.classList.remove('main-footer-shrink-transform-hide')

    footer.classList.add('main-footer-transform-hide')

    footerShrink.classList.add('main-footer-shrink','main-footer-shrink-transform-show')

    })

    footerShrink.addEventListener('click', ()=>{

    footerShrink.classList.remove('main-footer-shrink-transform-show')

    footerShrink.classList.add('main-footer-shrink','main-footer-shrink-transform-hide')

    footer.classList.remove('main-footer-transform-hide')

    footer.classList.add('main-footer-transform-show')

    })

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          本文标题:css实现广告动画

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