出于某种原因，当我在面板主体内使用 col-xs-* 时，内容在我向下滚动时与面板标题重叠。当我删除 col-xs-* 和行标记时，不会发生这种情况。
在向下滚动之前:
向下滚动后:
源代码:
<!DOCTYPE html>
<html dir="ltr" lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<style>
.navbar-collapse {
background-color: #69899f;
border-color: #425766;
}
.navbar-header {
background-color: #69899f;
border-color: #425766;
}
.navbar-collapse .navbar-text {
color: #d7e2e9;
}
.navbar-header .navbar-toggle .icon-bar {
background-color: #d7e2e9;
}
.affix {
top: 0;
width: 100%;
}
.affix+.container-fluid {
padding-top: 70px;
}
</style>
</head>
<body>
<div class="navbar fixed-top clearfix" style="border:1px solid #000;">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<h2 style="margin-top: 8px;margin-bottom: 8px;margin-right: 80px">Title A</h2>
</div>
<nav class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#menu1">Title B</a></li>
</ul>
</nav><!--/.nav-collapse -->
</div>
<div class="container-fluid">
<div class="tab-content clearfix">
<div id="menu1" class="tab-pane fade in active">
<h1 class="text-center">Title B</h1><br>
<div class="container" id="niftarim">
<div class="widget">
<div class="panel panel-info">
<div class="panel-heading"><p>Header</p></div>
<div class="panel-body" style="word-wrap: break-word;">
<div class="row">
<div class="col-xs-3">
<img src="http://placehold.it/40x140">
</div>
<div class="col-xs-9">
<p>bla bla bla</p>
</div>
</div>
</div>
</div>
</div>
<div class="widget">
<div class="panel panel-info">
<div class="panel-heading"><p>Header</p></div>
<div class="panel-body" style="word-wrap: break-word;">
<div class="row">
<div class="col-xs-3">
<img src="http://placehold.it/40x140">
</div>
<div class="col-xs-9">
<p>bla bla bla</p>
</div>
</div>
</div>
</div>
</div>
<div class="widget">
<div class="panel panel-info">
<div class="panel-heading"><p>Header</p></div>
<div class="panel-body" style="word-wrap: break-word;">
<div class="row">
<div class="col-xs-3">
<img src="http://placehold.it/40x140">
</div>
<div class="col-xs-9">
<p>bla bla bla</p>
</div>
</div>
</div>
</div>
</div>
<div class="widget">
<div class="panel panel-info">
<div class="panel-heading"><p>Header</p></div>
<div class="panel-body" style="word-wrap: break-word;">
<div class="row">
<div class="col-xs-3">
<img src="http://placehold.it/40x140">
</div>
<div class="col-xs-9">
<p>bla bla bla</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
$(function() {
$(".navbar").affix({
offset: {
top: $("header").outerHeight(true)
}
});
});
</script>
</body>
</html>最佳答案
这是导航的 z-index 的问题。即使只是给 .navbar 一个 1 的 z-index 也为我修复了重叠。 JSYK，数字越高，它在另一个元素下的可能性就越小，因此您可能应该将其设置为 999 之类的东西。请尝试使用这些样式。
<style>
.navbar {
z-index: 1;
}
.navbar-collapse {
background-color: #69899f;
border-color: #425766;
}
.navbar-header {
background-color: #69899f;
border-color: #425766;
}
.navbar-collapse .navbar-text {
color: #d7e2e9;
}
.navbar-header .navbar-toggle .icon-bar {
background-color: #d7e2e9;
}
.affix {
top: 0;
width: 100%;
}
.affix+.container-fluid {
padding-top: 70px;
}
</style>
关于javascript - 使用 Twitter Bootstrap 3 的网格时，面板主体与导航栏标题重叠，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/51849833/