Use CSS3 to write code similar to check boxes and buttons with switches in iOS

This article mainly introduces the use of CSS3 to write check boxes and buttons with switches similar to those in iOS. Friends in need can refer to

checkbox multiple selection

Recently I wrote a checkbox suitable for mobile terminals, as shown in the picture:

ps: The checkbox in the middle is iconfont, iOS style.

Specific HTML:

<p class="mui-checkbox-con">
    <label>
        <input class="mui-checkbox" type="checkbox">默认未选中</label>
</p>
<p class="mui-checkbox-con">
    <label>
        <input class="mui-checkbox" type="checkbox" checked>默认选中</label>
</p>
<p class="mui-checkbox-con">
    <label>
        <input class="mui-checkbox checkbox-orange" type="checkbox" checked>橘黄色 checkbox-orange</label>
</p>
<p class="mui-checkbox-con">
    <label>
        <input class="mui-checkbox checkbox-green" type="checkbox" checked>绿色 checkbox-green</label>
</p>
<p class="mui-checkbox-con">
    <label>
        <input class="mui-checkbox" type="checkbox" disabled>禁用</label>
</p>

CSS code (exported by SCSS, the layout is a bit strange):

.mui-checkbox {   
  -webkit-appearance: none;   
  position: relative;   
  width: 25px;   
  height: 25px;   
  margin-right: 10px;   
  background-color: #FFFFFF;   
  border: solid 1px #d9d9d9;   
  border-top-left-radius: 20px;   
  border-top-rightright-radius: 20px;   
  border-bottom-left-radius: 20px;   
  border-bottom-rightright-radius: 20px;   
  background-clip: padding-box;   
  display: inline-block; }   
  .mui-checkbox:focus {   
    outline: 0 none;   
    outline-offset: -2px; }   
  .mui-checkbox:checked {   
    background-color: #18b4ed;   
    border: solid 1px #FFFFFF; }   
    .mui-checkbox:checked:before {   
      display: inline-block;   
      margin-top: 1px;   
      margin-left: 2px;   
      font-family: iconfont;   
      content: "\e667";   
      color: #FFFFFF;   
      font-size: 18px; }   
  .mui-checkbox:disabled {   
    background-color: #d9d9d9;   
    border: solid 1px #d9d9d9; }   
    .mui-checkbox:disabled:before {   
      display: inline-block;   
      margin-top: 1px;   
      margin-left: 2px;   
      font-family: iconfont;   
      content: "\e667";   
      color: #FFFFFF;   
      font-size: 18px; }   
  .mui-checkbox.checkbox-green:checked {   
    background-color: #5cb85c; }   
  .mui-checkbox.checkbox-orange:checked {   
    background-color: #f0ad4e; }   
  .mui-checkbox.checkbox-s {   
    width: 19px;   
    height: 19px; }   
    .mui-checkbox.checkbox-s:before {   
      display: inline-block;   
      margin-top: 1px;   
      margin-left: 2px;   
      font-family: iconfont;   
      content: "\e667";   
      color: #FFFFFF;   
      font-size: 13px; }   
.mui-checkbox-anim {   
  -webkit-transition: background-color ease 0.2s;   
          transition: background-color ease 0.2s; }

SCSS code:

@mixin checkedCon($fs:18px) {   
  &:before {   
    display: inline-block;   
    margin-top: 1px;   
    margin-left: 2px;   
    font-family: iconfont;   
    content: "\e667";   
    color: #FFFFFF;   
    font-size: $fs;   
  }   
}   
$duration: .4s;   
.mui-checkbox {   
  -webkit-appearance: none;   
  position: relative;   
  width: 25px;   
  height: 25px;   
  margin-right: 10px;   
  background-color: #FFFFFF;   
  border: solid 1px #d9d9d9;   
  border-top-left-radius: 20px;   
  border-top-rightright-radius: 20px;   
  border-bottom-left-radius: 20px;   
  border-bottom-rightright-radius: 20px;   
  background-clip: padding-box;   
  display: inline-block;   
  &:focus {   
    outline: 0 none;   
    outline-offset: -2px
  }   
  &:checked {   
    background-color: #18b4ed;   
    border: solid 1px #FFFFFF;   
    @include checkedCon();   
  }   
  &:disabled {   
    background-color: #d9d9d9;   
    border: solid 1px #d9d9d9;   
    @include checkedCon();   
  }   
  &.checkbox-green:checked {   
    background-color: #5cb85c;   
  }   
  &.checkbox-orange:checked {   
    background-color: #f0ad4e;   
  }   
  &.checkbox-s {   
    width: 19px;   
    height: 19px;   
    @include checkedCon(13px);   
  }   
}   
.mui-checkbox-anim{   
  //border等其他元素不做过渡效果，增加视觉差，更有动画效果   
  transition: background-color ease $duration/2;   
}

With switch switch
itself. The purpose of making this UI is to support mobile pages, and webkit also supports single-tagged input elements using pseudo-classes (:before or:after), so I didn’t make any changes. Much support and optimization, I just want to keep the html as clean as possible, so I don’t use other elements for simulation. If you want to use it on a desktop application or support other browsers, you can modify it slightly yourself. I haven't tested it anyway.

Today I continue to share an iOS-style switch button, which looks very common, as shown in the picture:

## Mainly uses

<label><input class="mui-switch" type="checkbox"> 默认未选中</label>
<label><input class="mui-switch" type="checkbox" checked> 默认选中</label>
<label><input class="mui-switch mui-switch-animbg" type="checkbox"> 默认未选中,简单的背景过渡效果,加mui-switch-animbg类即可</label>
<label><input class="mui-switch mui-switch-animbg" type="checkbox" checked> 默认选中</label>
<label><input class="mui-switch mui-switch-anim" type="checkbox"> 默认未选中，过渡效果，加 mui-switch-anim   
类即可</label>
<label><input class="mui-switch mui-switch-anim" type="checkbox" checked> 默认选中</label>

In actual use, two transition effects were later added, and the mui-switch-animbg and mui-switch-anim classes were added respectively. Check the specific effects. The demo page below.

CSS code (exported by SCSS, the layout is a bit strange):

.mui-switch {   
  width: 52px;   
  height: 31px;   
  position: relative;   
  border: 1px solid #dfdfdf;   
  background-color: #fdfdfd;   
  box-shadow: #dfdfdf 0 0 0 0 inset;   
  border-radius: 20px;   
  border-top-left-radius: 20px;   
  border-top-rightright-radius: 20px;   
  border-bottom-left-radius: 20px;   
  border-bottom-rightright-radius: 20px;   
  background-clip: content-box;   
  display: inline-block;   
  -webkit-appearance: none;   
  user-select: none;   
  outline: none; }   
  .mui-switch:before {   
    content: '';   
    width: 29px;   
    height: 29px;   
    position: absolute;   
    top: 0px;   
    left: 0;   
    border-radius: 20px;   
    border-top-left-radius: 20px;   
    border-top-rightright-radius: 20px;   
    border-bottom-left-radius: 20px;   
    border-bottom-rightright-radius: 20px;   
    background-color: #fff;   
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); }   
  .mui-switch:checked {   
    border-color: #64bd63;   
    box-shadow: #64bd63 0 0 0 16px inset;   
    background-color: #64bd63; }   
    .mui-switch:checked:before {   
      left: 21px; }   
  .mui-switch.mui-switch-animbg {   
    transition: background-color ease 0.4s; }   
    .mui-switch.mui-switch-animbg:before {   
      transition: left 0.3s; }   
    .mui-switch.mui-switch-animbg:checked {   
      box-shadow: #dfdfdf 0 0 0 0 inset;   
      background-color: #64bd63;   
      transition: border-color 0.4s, background-color ease 0.4s; }   
      .mui-switch.mui-switch-animbg:checked:before {   
        transition: left 0.3s; }   
  .mui-switch.mui-switch-anim {   
    transition: border cubic-bezier(0, 0, 0, 1) 0.4s, box-shadow cubic-bezier(0, 0, 0, 1) 0.4s; }   
    .mui-switch.mui-switch-anim:before {   
      transition: left 0.3s; }   
    .mui-switch.mui-switch-anim:checked {   
      box-shadow: #64bd63 0 0 0 16px inset;   
      background-color: #64bd63;   
      transition: border ease 0.4s, box-shadow ease 0.4s, background-color ease 1.2s; }   
      .mui-switch.mui-switch-anim:checked:before {   
        transition: left 0.3s; }   
/*# sourceMappingURL=mui-switch.css.map */

SCSS code:

@mixin borderRadius($radius:20px) {   
  border-radius: $radius;   
  border-top-left-radius: $radius;   
  border-top-rightright-radius: $radius;   
  border-bottom-left-radius: $radius;   
  border-bottom-rightright-radius: $radius;   
}   
$duration: .4s;   
$checkedColor: #64bd63;   
.mui-switch {   
  width: 52px;   
  height: 31px;   
  position: relative;   
  border: 1px solid #dfdfdf;   
  background-color: #fdfdfd;   
  box-shadow: #dfdfdf 0 0 0 0 inset;   
  @include borderRadius();   
  background-clip: content-box;   
  display: inline-block;   
  -webkit-appearance: none;   
  user-select: none;   
  outline: none;   
  &:before {   
    content: '';   
    width: 29px;   
    height: 29px;   
    position: absolute;   
    top: 0px;   
    left: 0;   
    @include borderRadius();   
    background-color: #fff;   
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);   
  }   
  &:checked {   
    border-color: $checkedColor;   
    box-shadow: $checkedColor 0 0 0 16px inset;   
    background-color: $checkedColor;   
    &:before {   
      left: 21px;   
    }   
  }   
  &.mui-switch-animbg {   
    transition: background-color ease $duration;   
    &:before {   
      transition: left 0.3s;   
    }   
    &:checked {   
      box-shadow: #dfdfdf 0 0 0 0 inset;   
      background-color: $checkedColor;   
      transition: border-color $duration, background-color ease $duration;   
      &:before {   
        transition: left 0.3s;   
      }   
    }   
  }   
  &.mui-switch-anim {   
    transition: border cubic-bezier(0, 0, 0, 1) $duration, box-shadow cubic-bezier(0, 0, 0, 1) $duration;   
    &:before {   
      transition: left 0.3s;   
    }   
    &:checked {   
      box-shadow: $checkedColor 0 0 0 16px inset;   
      background-color: $checkedColor;   
      transition: border ease $duration, box-shadow ease $duration, background-color ease $duration*3;   
      &:before {   
        transition: left 0.3s;   
      }   
    }   
  }   
}

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