样式(4) -- checkbox4

preview

demo预览

description

1.可自定义：
按钮大小 : checkboxSize，支持 em, vw, px
宽高比 : checkboxWidthTimes
动画时长 : switchingTimeCost
间隙大小 : interspace
边框大小 : checkboxBorderSize
主题颜色 : checkboxColorForOFF / checkboxColorForON

2.这个按钮样式与 checkbox2 类似。

scss

/* html
<div class="checkboxWrapper">
    <input type="checkbox" value="" id="slideID" name="slide" checked>
    <label for="slideID"></label>
</div>
*/

* { padding: 0; margin: 0; box-sizing: border-box; }
*::after{ box-sizing: border-box; }

$checkboxSize: 20px;
$checkboxWidthTimes: 2.5;
$switcherWidthTimes: 1.3; /* 可以是椭圆形的内部按钮，可自行设置宽高比 */
$checkboxWidth: $checkboxWidthTimes * $checkboxSize;
$switcherWidth: $checkboxSize * $switcherWidthTimes;
$checkboxColorForOFF: #f2f2f2;
$checkboxColorForON: #7FC6A6;

$interspace: 3px; /* 按钮与背景边框间隙大小 */
$checkboxBorderSize: 4px;
$switchingTimeCost: 0.2s;

.checkboxWrapper {
  width: $checkboxWidth;
  height: $checkboxSize;
  position: relative;

  & label {
    display: block;
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    width: $checkboxWidth + 2 * $interspace;
    height: $checkboxSize + 2 * $interspace;
    box-sizing: content-box;
    border-radius: $checkboxWidth;
    transition: all $switchingTimeCost ease;
    overflow: hidden;
    border: $checkboxBorderSize solid $checkboxColorForOFF;

    &::after {
      content: "";
      width: $switcherWidth;
      height: $checkboxSize;
      background-color: $checkboxColorForOFF;
      transition: left $switchingTimeCost ease;
      border-radius: 2 * $switcherWidth;
      position: absolute;
      top: $interspace;
      left: $interspace;
    }
  }

  & input:checked + label{
    border-color: $checkboxColorForON;
    &::after{
      left: $checkboxWidth - $switcherWidth + $interspace;
      background-color: $checkboxColorForON;
    }
  }

  & input {
    display: none;
  }
}