我在引导按钮上出了问题,当我在里面放两个元素,比如div或span时,按钮里面的小箭头就会在按钮文本下面。就像它将得到一个float (左或右)属性,它将使元素垂直排序。
<!--HTML Part-->
<div class="btn-group">
<button type="button" class="btn btn-outline-white dropdown-toggle" data-toggle="dropdown">
<span class="english">Site Language</span><span class="farsi">زبان سایت</span>
</button>/*CSS Part*/
.english {display: none !important;}
.farsi {
display: none !important;
direction: rtl;
font-family: 'Lalezar';
text-align: right;
}
.english:lang(en), .farsi:lang(fa) {
display: block !important;
}-
//JS Part
<script>
function changelang2fa() {
document.getElementsByTagName("HTML")[0].setAttribute("lang", "fa");
}
function changelang2en() {
document.getElementsByTagName("HTML")[0].setAttribute("lang", "en");
}
</script>通常按钮是:

变形样式,内有跨距标签:

P.S.:我打算使我的网站多语种(英语和波斯语)
发布于 2018-03-03 14:31:43
我不打算详细介绍如何使用其他方法来实现您正在做的事情,而是告诉您代码中哪里出错了。<span>元素应该得到一个display:inline,它将使向下箭头出现在它旁边。像您所做的那样给它一个display:block,会使箭头出现在下一行中。
.english {display: none !important;}
.farsi {
display: none !important;
direction: rtl;
font-family: 'Lalezar';
text-align: right;
}
.english:lang(en), .farsi:lang(fa) {
display: inline !important;
}<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
<!--HTML Part-->
<div class="btn-group">
<button type="button" class="btn btn-outline-white dropdown-toggle" data-toggle="dropdown">
<span class="english">Site Language</span><span class="farsi">زبان سایت</span>
</button></div>
</body>
</html>
发布于 2018-03-03 14:21:07
使用适当的引导带4下拉按钮,而不是试图重新发明车轮.引导4已经发明,创造和抛光所有的“车轮”,你将永远需要。
下面是一个工作代码示例(单击下面的“运行代码片段”):
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<div class="dropdown">
<button class="btn btn-outline-white dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Site Language
</button>
<div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
<a class="dropdown-item" href="#">English</a>
<a class="dropdown-item text-right" href="#">زبان سایت</a>
</div>
</div>
https://stackoverflow.com/questions/49085030
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