仅使用 CSS 切换手风琴字形图标

2024-04-25

嗯，我有一个手风琴菜单，我想更改字形图标，我找到了一些询问同样问题的人的答案，但我发现没有答案适用于我的。可能是因为我不知道在哪里应用代码。

我在 Jsfiddle 中的菜单：

http://jsfiddle.net/3wt0ehcj/ http://jsfiddle.net/3wt0ehcj/

我尝试输入的字形图标：

https://codepen.io/tofanelli/pen/waadRY https://codepen.io/tofanelli/pen/waadRY

我需要放在某处的代码：

.panel-heading .accordion-toggle:after {
    /* symbol for "opening" panels */
    font-family: 'Glyphicons Halflings';  /* essential for enabling glyphicon */
    content: "\e114";    /* adjust as needed, taken from bootstrap.css */
    float: right;        /* adjust as needed */
    color: grey;         /* adjust as needed */
}
.panel-heading .accordion-toggle.collapsed:after {
    /* symbol for "collapsed" panels */
    content: "\e080";    /* adjust as needed, taken from bootstrap.css */
}

如果有其他或更简单的方法，我洗耳恭听！ :)

您可以使用以下方法解决此问题:not(checked) and checkedCSS 伪类。

not() https://developer.mozilla.org/en-US/docs/Web/CSS/:not
checked https://developer.mozilla.org/en-US/docs/Web/CSS/:checked

删除这部分

.accordion-bral input:checked ~ .ac-label i:before {
  transform: translate(2px, 0) rotate(-45deg);

}
.accordion-bral input:checked ~ .ac-label i:after {
  transform: translate(-2px, 0) rotate(45deg);
}
.accordion-bral i:before, .accordion-bral i:after {
  content: "";
  position: absolute;
  background-color: #808080;
  width: 3px;
  height: 9px;
}
.accordion-bral i:before {
  transform: translate(-2px, 0) rotate(-45deg);
}
.accordion-bral i:after {
  transform: translate(2px, 0) rotate(45deg);
}

Use the glyphicon源代码 https://stackoverflow.com/questions/18222849/bootstrap-3-glyphicons-cdn然后使用此代码。

   /* when input is checked */
.accordion-bral input:checked ~ .ac-label i:after {
   content: "\e114" 
}

/* when input is not checked */
.accordion-bral input:not(checked) ~ .ac-label i:after {
   content: "\e080"; 
}
.accordion-bral i:after {
  font-style: normal;  /* change font style too */
  font-family: 'Glyphicons Halflings';  /* essential for enabling glyphicon */
  content: "\e114";    /* adjust as needed, taken from bootstrap.css */
  float: right;        /* adjust as needed */
  color: grey;  
}

This is the working fiddle

http://jsfiddle.net/7zsbumax/2/ http://jsfiddle.net/7zsbumax/2/

.accordion-bral {
  min-height: 0;
  min-width: 220px;
  width: 100%;
  height: 100%;
  background-color: #FFF;
  margin: 0px!important;
}

.accordion-bral .ac-label {
  font-family: Arial, sans-serif;
  padding: 5px 20px;
  position: relative;
  display: block;
  height: auto;
  cursor: pointer;
  color: #777;
  line-height: 33px;
  font-size: 19px;
  background: #EFEFEF;
  border: 1px solid #CCC;
}

.accordion-bral .ac-label:hover {
  background: #b70000;
  color: white;
}

.accordion-bral input+.ac-label {
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  -ms-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.accordion-bral input:checked+.ac-label,
.accordion-bral input:checked+.ac-label:active {
  background-color: #b70000;
  color: #FFF;
  box-shadow: 0px 0px 0px 1px rgba(155, 155, 155, 0.3), 0px 2px 2px rgba(0, 0, 0, 0.1);
}

.accordion-bral input.ac-input {
  display: none;
}

.accordion-bral .article {
  background: white;
  overflow: hidden;
  height: 20px;
  max-height: auto;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  -ms-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.accordion-bral .article p {
  color: #777;
  line-height: 23px;
  font-size: 14px;
  padding: 20px;
}

.accordion-bral input:checked~.article i {
  -webkit-transition: all 0.5s ease-in-out;
  -moz-transition: all 0.5s ease-in-out;
  -o-transition: all 0.5s ease-in-out;
  -ms-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

.accordion-bral input:checked~.article.ac-content {
  height: auto;
}

.accordion-bral i {
  text-decoration: none;
  margin-top: 16px;
  right: 0;
}

.accordion-bral input:checked~.ac-label i:after {
  content: "\e114"
}

.accordion-bral input:not(checked)~.ac-label i:after {
  content: "\e080";
}

.accordion-bral i:after {
  font-style: normal;
  font-family: 'Glyphicons Halflings';
  /* essential for enabling glyphicon */
  content: "\e114";
  /* adjust as needed, taken from bootstrap.css */
  float: right;
  /* adjust as needed */
  color: grey;
}

ul.ac-list {
  padding-left: 40px;
  list-style-type: disc;
}

table.ac-table {
  margin: 20px 0 20px 20px;
}

table.ac-table th {
  text-align: left;
}

@media (max-width: 550px) {
  .accordion-bral .ac-label {
    font-family: Arial, sans-serif;
    padding: 5px 20px;
    position: relative;
    display: block;
    height: auto;
    padding-right: 40px;
    cursor: pointer;
    color: #777;
    line-height: 33px;
    font-size: 19px;
    background: #EFEFEF;
    border: 1px solid #CCC;
  }
  .accordion-bral i {
    position: absolute;
    transform: translate(-30px, 0);
    margin-top: 2%;
    right: 0;
  }
}

<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-glyphicons.css" rel="stylesheet">


<div class="accordion-bral">

  <div>
    <!-- accordion item 1 -- start -->
    <input class="ac-input" id="ac-1" name="accordion-1" type="checkbox" checked/>
    <label class="ac-label" for="ac-1">HTML and CSS only<i></i></label>
    <div class="article ac-content">
      <h1 style="position: absolute; margin-left:10px;color:#b70000;">HOUTSOORT</h1>

      <div class="flex-container">
        <div class="card">
          <img src="maxopdracht2/eiken-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Eiken</label>
          </div>
        </div>
        <div class="card">
          <img src="maxopdracht2/beuken-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Beuken</label>
          </div>
        </div>
        <div class="card">
          <img src="maxopdracht2/grenen-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Grenen</label>
          </div>
        </div>
        <div class="card">
          <img src="maxopdracht2/maple-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Maple</label>
          </div>
        </div>
        <div class="card">
          <img src="maxopdracht2/merbau-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Merbau</label>
          </div>
        </div>
        <div class="card">
          <img src="maxopdracht2/onbekend-vloer.jpg" style="width:100%">
          <div>
            <input id="checkbox-1" class="checkbox-custom" style="" name="checkbox-1" type="checkbox">
            <label for="checkbox-1" class="checkbox-custom-label">Overig/onbekend</label>
          </div>
        </div>

      </div>
    </div>
  </div>
  <!-- accordion item 1 -- end -->

  <div>
    <!-- accordion item 2 -- start -->
    <input class="ac-input" id="ac-2" name="accordion-1" type="checkbox" />
    <label class="ac-label" for="ac-2">responsive accordion<i></i></label>
    <div class="article ac-content">

    </div>
  </div>
  <!-- accordion item 2 -- end -->

  <div>
    <!-- accordion item 3 -- start -->
    <input class="ac-input" id="ac-3" name="accordion-1" type="checkbox" />
    <label class="ac-label" for="ac-3">Divs to divide your things up<i></i></label>
    <div class="article ac-content">

    </div>
  </div>
  <!-- accordion item 3 -- end -->

  <div>
    <!-- accordion item 4 -- start -->
    <input class="ac-input" id="ac-4" name="accordion-1" type="checkbox" />
    <label class="ac-label" for="ac-4">Forms are cool<i></i></label>
    <div class="article ac-content">

    </div>
  </div>
</div>

Update

如果你想要一点动画，请使用这个：

.accordion-bral input:checked ~ .ac-label i:after {
  /*  transform: rotate(90deg); */
  transform: rotate(-270deg);
}

.accordion-bral i:after {
  content: "\e080"; 
  font-style: normal;
  font-family: 'Glyphicons Halflings';  /* essential for enabling glyphicon */
  float: right;        /* adjust as needed */
  color: grey;  
  transition: 1s ease-out;
}

http://jsfiddle.net/2eLb3ju7/ http://jsfiddle.net/2eLb3ju7/

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