利用checkbox做switch

参考链接：https://zhuanlan.zhihu.com/p/41726464?utm_source=qq&utm_medium=social&utm_oi=1010468739178987520

结构部分

<input class='switch-component' type='checkbox'>

样式部分

/* 背景层 */
.switch-component {
  position: relative;
  width: 60px;
  height: 30px;
  background-color: #dadada;
  border-radius: 30px;
  border: none;
  outline: none;
  -webkit-appearance: none;
  transition: all .2s ease;
}

/* 按钮 */
.switch-component::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background-color: #fff;
  border-radius: 50%;
  transition: all .2s ease;
}

/* 选中状态时，背景色切换 */
.switch-component:checked {
  background-color: #86c0fa;
 }

/* 选中状态时，按钮的位置移动 */
.switch-component:checked::after {
  left: 50%;
}