Swiper(六) Swiper切换效果和进度

Swiper

发布日期: 2020-05-27

更新日期: 2020-06-08

文章字数: 537

阅读时长: 2 分

阅读次数:

(1) 本节知识点

swiper 切换效果 effect
–”slide” 位移
– “fade” 淡入
– “ cube” 3d 方块
– “coverflow” 3d 流
– “flip” 3d 翻转
进度
watchSlidesProgress
–mySwiper.progress
–mySwipwe.slides[n].progress
onProgress

(i) 切换效果

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <link rel="stylesheet" href="css/swiper.min.css" />
    <script src="js/swiper.min.js"></script>
  </head>
  <style>
    * {
      margin: 0px;
      padding: 0px;
    }

    .swiper-container {
      width: 350px;
      height: 300px;
    }

    .swiper-slide {
      font-size: 50px;
    }

    .swiper-slide {
      background: yellow;
    }
  </style>

  <body>
    <div class="swiper-container">
      <div class="swiper-wrapper">
        <div class="swiper-slide">Slide 1</div>
        <div class="swiper-slide">Slide 2</div>
        <div class="swiper-slide">Slide 3</div>
      </div>
    </div>
  </body>
  <script>
    window.onload = function () {
      var mySwiper = new Swiper('.swiper-container', {
        direction: 'horizontal',
        effect: 'coverflow', //默认就是slide位移,fade淡入淡出,cube3d方块,coverflow 3d流
      })
    }
  </script>
</html>

(ii) 自定义自定义滑块

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <link rel="stylesheet" href="css/swiper.min.css" />
    <script src="js/swiper.min.js"></script>
  </head>
  <style>
    * {
      margin: 0px;
      padding: 0px;
    }

    .swiper-container {
      width: 350px;
      height: 300px;
    }

    .swiper-slide {
      font-size: 50px;
    }

    .swiper-slide {
      background: yellow;
    }
  </style>

  <body>
    <div class="swiper-container">
      <div class="swiper-wrapper">
        <div class="swiper-slide">Slide 1</div>
        <div class="swiper-slide">Slide 2</div>
        <div class="swiper-slide">Slide 3</div>
      </div>
    </div>
    <button id="btn">按钮</button>
  </body>
  <script>
    window.onload = function () {
      var mySwiper = new Swiper('.swiper-container', {
        direction: 'horizontal',
        watchSlidesProgress: true,
        onProgress: function (swiper, progress) {
          for (var i = 0; i < swiper.slides.length; i++) {
            //因为活动的就是0
            swiper.slides[i].style.transform =
              'scale(' + (swiper.slides[i].progress + 1) + ')'
          }
        },
      })
      document.querySelector('#btn').onclick = function () {
        //window.alert(mySwiper.progress); //progress就是运动的百分比，比如上边那个开始就是0 然后到了第二个0.5 接着第三个就是1 他是按照百分比走
        //获取到每一个slide的进度,然后属性必须加上watchSlidesProgress:true,序号就是当前元素的为0,然后逐次减1
        //开始就是 0，-1，-2 滑动一个后变成 1,0,-1 在画就是 2,1,0
        console.log(
          mySwiper.slides[0].progress +
            '||' +
            mySwiper.slides[1].progress +
            '||' +
            mySwiper.slides[2].progress
        )
      }
    }
  </script>
</html>