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Question

我正在尝试构建一个纯 css 选项卡。for 属性的值必须与控件的 id 相匹配我使用伪类 :checked 来定位我想显示的 div但问题是当我点击第二个或第三个选项卡时，什么也没有出现

我用:

tabs input[type="radio"]:checked + h2 + .tab {
    display: block;
}

点击时显示div

/**
 * Tabs
 */
.tabs {
	display: flex;
	flex-wrap: wrap; 
}
.tabs h2 {
	order: 1;
	display: block;
	padding: 1rem 2rem;
	margin-right: 0.2rem;
	cursor: pointer;
  background: #90CAF9;
  font-weight: bold;
  transition: background ease 0.2s;
}
.tabs .tab {
  order: 99; 
  flex-grow: 1;
	width: 100%;
	display: none;
  padding: 1rem;
  background: #fff;
}
.tabs input[type="radio"] {
	display: none;
}
.tabs input[type="radio"]:checked + h2 {
	background: #fff;
}
.tabs input[type="radio"]:checked + h2 + .tab {
	display: block;
}


/**
 * Generic Styling
*/
body {
  background: #eee;
  min-height: 100vh;
	box-sizing: border-box;
	padding-top: 10vh;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; 
  font-weight: 300;
  line-height: 1.5;
  max-width: 60rem;
  margin: 0 auto;
  font-size: 112%;
}

<div class="tabs">
	<label for="tabone"></label>
  <input type="radio" name="tabs" id="tabone" checked="checked">
  <h2>Tab One</h2>
  <div class="tab">
    <h1>Tab One Content</h1>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
  </div>
  <label for="tabtwo"></label>
  <input type="radio" name="tabs" id="tabtwo">
  <h2>Tab Two</h2>
  <div class="tab">
    <h1>Tab Two Content</h1>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
  </div>
    <label for="tabthree"></label>
  <input type="radio" name="tabs" id="tabthree">
  <h2>Tab Three</h2>
  <div class="tab">
    <h1>Tab Three Content</h1>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
  </div>
</div>

Answer 1

这个有效:

/**
 * Tabs
 */

.tabs {
  display: flex;
  flex-wrap: wrap;
}

.tabs h2 {
  order: 1;
  display: block;
  padding: 1rem 2rem;
  margin-right: 0.2rem;
  cursor: pointer;
  background: #90CAF9;
  font-weight: bold;
  transition: background ease 0.2s;
}

.tabs .tab {
  order: 99;
  flex-grow: 1;
  width: 100%;
  display: none;
  padding: 1rem;
  background: #fff;
}

input[type="radio"] {
  display: none;
}

input[type="radio"]:checked+label h2 {
  background: #fff;
}

input[type="radio"]:checked~.tab {
  display: block;
}
input[type="radio"]:checked~.tab~.tab {
  display: none;
}


/**
 * Generic Styling
*/

body {
  background: #eee;
  min-height: 100vh;
  box-sizing: border-box;
  padding-top: 10vh;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-weight: 300;
  line-height: 1.5;
  max-width: 60rem;
  margin: 0 auto;
  font-size: 112%;
}

<div class="tabs">
    <input type="radio" name="tabs" id="tabone" checked="checked">
    <label for="tabone"><h2>Tab One</h2></label>

    <div class="tab">
      <h1>Tab One Content</h1>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
    </div>
    <input type="radio" name="tabs" id="tabtwo">
    <label for="tabtwo"><h2>Tab Two</h2></label>

    <div class="tab">
      <h1>Tab Two Content</h1>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure
        dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
    </div>
    <input type="radio" name="tabs" id="tabthree">
    <label for="tabthree"><h2>Tab Three</h2></label>

    <div class="tab">
      <h1>Tab Three Content</h1>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
    </div>
</div>