手风琴切换图标不可见
accordion toggle icon not visible
手风琴切换图标不可见,只有空白方块存在
In image I am getting blank square brackets
.accordion-toggle:after {
color: #aaa;
content: "\f146";
display: block;
font-family: FontAwesome;
font-size: 10px;
line-height: 36px;
position: absolute;
top: 3px;
right: 15px;
}
.accordion-toggle.collapsed:after {
content: "\f0fe";
}
<div id="CLUSPanel" class="panel">
<div class="panel-heading">
<a class="accordion-toggle collapsed"
data-toggle="collapse" data-parent="#accordion" href="#CLUSPanelBody">
some text
</a>
</div>
</div>
您只需要在页面的页眉中包含 Font Awesome 即可。您可以在下面的代码片段中看到该图标。不需要其他更改。
<!doctype html>
<html lang="en">
<head>
<title>Title</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Font Awesome -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<style>
.accordion-toggle:after {
color: #aaa;
content: "\f146";
display: block;
font-family: FontAwesome;
font-size: 10px;
line-height: 36px;
position: absolute;
top: 3px;
right: 15px;
}
.accordion-toggle.collapsed:after {
content: "\f0fe";
}
</style>
</head>
<body>
<div class="container">
<div id="CLUSPanel" class="panel">
<div class="panel-heading">
<a class="accordion-toggle collapsed"
data-toggle="collapse" data-parent="#accordion" href="#CLUSPanelBody">
some text
</a>
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
手风琴切换图标不可见,只有空白方块存在 In image I am getting blank square brackets
.accordion-toggle:after {
color: #aaa;
content: "\f146";
display: block;
font-family: FontAwesome;
font-size: 10px;
line-height: 36px;
position: absolute;
top: 3px;
right: 15px;
}
.accordion-toggle.collapsed:after {
content: "\f0fe";
}
<div id="CLUSPanel" class="panel">
<div class="panel-heading">
<a class="accordion-toggle collapsed"
data-toggle="collapse" data-parent="#accordion" href="#CLUSPanelBody">
some text
</a>
</div>
</div>
您只需要在页面的页眉中包含 Font Awesome 即可。您可以在下面的代码片段中看到该图标。不需要其他更改。
<!doctype html>
<html lang="en">
<head>
<title>Title</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Font Awesome -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<style>
.accordion-toggle:after {
color: #aaa;
content: "\f146";
display: block;
font-family: FontAwesome;
font-size: 10px;
line-height: 36px;
position: absolute;
top: 3px;
right: 15px;
}
.accordion-toggle.collapsed:after {
content: "\f0fe";
}
</style>
</head>
<body>
<div class="container">
<div id="CLUSPanel" class="panel">
<div class="panel-heading">
<a class="accordion-toggle collapsed"
data-toggle="collapse" data-parent="#accordion" href="#CLUSPanelBody">
some text
</a>
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>