按钮进度条

原理：画两个大小一致的按钮进行叠加，上层按钮父级宽度设置为当前进度，超出隐藏。

正在下载…

<template>
  <div class="demo-ProgressButton">
    <div class="btn-container">
      <div class="btn">{{text}}</div>
      <div class="progress-container" style="width: 59%;">
        <div class="btn">{{text}}</div>
      </div>
    </div>
    <div class="btn-container">
      <div class="btn">{{text}}</div>
      <div class="progress-container animation">
        <div class="btn">{{text}}</div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'ProgressButton',
  data() {
    return {
      text: '正在下载…',
    }
  }
}
</script>

<style lang="scss">
.demo-ProgressButton {
  .btn-container {
    margin: 20px;
    position: relative;
    width: 288px;
    height: 44px;
  }
  .btn {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
		font-size: 22px;
		letter-spacing: 4px;
		font-weight: bold;
    background-color: rgba(#f2571e, .2);
    color: #f35a20;
  }
  .progress-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    overflow: hidden;
    z-index: 1;
    &.animation {
      transition: width 100ms linear;
      animation: widthProgress 2s linear infinite normal;
    }
    .btn {
      width: 288px;
      height: 44px;
      background-color: #f2571e;
      color: #fff;
    }
  }
  @keyframes widthProgress {
    to {
      width: 100%;
    }
  }
}
</style>

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上次更新: 2021-07-08 10:53:30

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