连接两个切换按钮以相互切换

Question

我有两个拨动开关按钮，其中按钮 1 被默认选中。单击第一个按钮时，第二个按钮应打开，第一个按钮应关闭，单击第二个按钮后，第一个按钮应打开，第二个按钮应关闭。一次只能打开一个按钮。我尝试了不同的方法，但没有一个是完美的。

HTML代码：

<div class="col-md-1" style="margin-top:2em; margin-left:-2em">
     <span class="switch">
      <input type="checkbox" class="switch" id="switch-id1" @click="" checked>
     </span>
</div>

<div class="col-md-1" style="margin-top:2em; margin-left:-2em">
     <span class="switch">
      <input type="checkbox" class="switch" id="switch-id2" @click="" unchecked>
     </span>
</div>

CSS :

$switch-height: calc(#{$input-height} * .8) !default;
$switch-height-sm: calc(#{$input-height-sm} * .8) !default;
$switch-height-lg: calc(#{$input-height-lg} * .8) !default;
$switch-border-radius: $switch-height !default;
$switch-bg: $custom-control-indicator-bg !default;
$switch-checked-bg: map-get($theme-colors, 'primary') !default;
$switch-unchecked-bg: map-get($theme-colors, 'primary') !default;
$switch-disabled-bg: $custom-control-indicator-disabled-bg !default;
$switch-disabled-color: $custom-control-description-disabled-color !default;
$switch-thumb-bg: $white !default;
$switch-thumb-border-radius: 50% !default;
$switch-thumb-padding: 2px !default;
$switch-focus-box-shadow: 0 0 0 $input-btn-focus-width rgba(map-get($theme-colors, 'primary'), .25);
$switch-transition: .2s all !default;

.switch {
  font-size: $font-size-base;
  position: relative;

  input {
    position: absolute;
    height: 1px;
    width: 1px;
    background: none;
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    padding: 0;

    + label {
      position: relative;
      min-width: calc(#{$switch-height} * 2);
      border-radius: $switch-border-radius;
      height: $switch-height;
      line-height: $switch-height;
      display: inline-block;
      cursor: pointer;
      outline: none;
      user-select: none;
      vertical-align: middle;
      text-indent: calc(calc(#{$switch-height} * 2) + 3.5rem);
    }

    + label::before,
    + label::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: calc(#{$switch-height} * 2);
      bottom: 0;
      display: block;
    }

    + label::before {
      right: 0;
      background-color: $switch-bg;
      border-radius: $switch-border-radius;
      transition: $switch-transition;
    }

    + label::after {
      top: $switch-thumb-padding;
      left: $switch-thumb-padding;
      width: calc(#{$switch-height} - calc(#{$switch-thumb-padding} * 2));
      height: calc(#{$switch-height} - calc(#{$switch-thumb-padding} * 2));
      border-radius: $switch-thumb-border-radius;
      background-color: $switch-thumb-bg;
      transition: $switch-transition;
    }

    &:checked + label::before {
      background-color: $switch-checked-bg;
    }

    &:checked + label::after {
      margin-left: $switch-height;
    }

    &:focus + label::before {
      outline: none;
      box-shadow: $switch-focus-box-shadow;
    }

    &:disabled + label {
      color: $switch-disabled-color;
      cursor: not-allowed;
    }

    &:disabled + label::before {
      background-color: $switch-disabled-bg;
    }
  }

  // Small variation
  &.switch-sm {
    font-size: $font-size-sm;

    input {
      + label {
        min-width: calc(#{$switch-height-sm} * 2);
        height: $switch-height-sm;
        line-height: $switch-height-sm;
        text-indent: calc(calc(#{$switch-height-sm} * 2) + .5rem);
      }

      + label::before {
        width: calc(#{$switch-height-sm} * 2);
      }

      + label::after {
        width: calc(#{$switch-height-sm} - calc(#{$switch-thumb-padding} * 2));
        height: calc(#{$switch-height-sm} - calc(#{$switch-thumb-padding} * 2));
      }

      &:checked + label::after {
        margin-left: $switch-height-sm;
      }
    }
  }

  // Large variation
  &.switch-lg {
    font-size: $font-size-lg;

    input {
      + label {
        min-width: calc(#{$switch-height-lg} * 2);
        height: $switch-height-lg;
        line-height: $switch-height-lg;
        text-indent: calc(calc(#{$switch-height-lg} * 2) + .5rem);
      }

      + label::before {
        width: calc(#{$switch-height-lg} * 2);
      }

      + label::after {
        width: calc(#{$switch-height-lg} - calc(#{$switch-thumb-padding} * 2));
        height: calc(#{$switch-height-lg} - calc(#{$switch-thumb-padding} * 2));
      }

      &:checked + label::after {
        margin-left: $switch-height-lg;
      }
    }
  }

  + .switch {
    margin-left: 1rem;
  }
}

Answer 1

你可以用 vue 做到这一点：

const app = Vue.createApp({
  data: () => ({
    status: true
  }),
  methods: {
    clicked(val) {
      this.status === val ? this.status = !val : this.status = val
      // some other stuff you need on click
    }
  }
})

app.mount('#demo')

<script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.prod.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<div id="demo">
  <div class="col-md-1" style="margin-top:2em; margin-left:2em">
     <span class="switch">
      <input type="checkbox" class="switch" id="switch-id1" @click="clicked(false)" :checked="status">
     </span>
  </div>
  <div class="col-md-1" style="margin-top:2em; margin-left:2em">
     <span class="switch">
      <input type="checkbox" class="switch" id="switch-id2" @click="clicked(true)" :checked="!status">
     </span>
  </div>
</div>

连接两个切换按钮以相互切换

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