Question

我无法在引导程序中将两个div水平对齐在同一级别。事实上，它们不是水平相同的水平，而是一个低于另一个水平（即使有一个左边和另一个右边）。实际上我想要水平对齐和这就是我使用
的原因其次是

这是我的代码：

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="../../favicon.ico">

<title>Dashboard Template for Bootstrap</title>

 <!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
</head>

<body>

 <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
  <div class="container-fluid">
    <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>
      <a class="navbar-brand" href="#">Project name</a>
    </div>
    <div class="navbar-collapse collapse">
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Dashboard</a></li>
        <li><a href="#">Settings</a></li>
        <li><a href="#">Profile</a></li>
        <li><a href="#">Help</a></li>
      </ul>
      <form class="navbar-form navbar-right">
        <input type="text" class="form-control" placeholder="Search...">
      </form>
    </div>
  </div>
 <div class="container-fluid">
  <div class="row">
    <div class="col-sm-3 col-md-2 sidebar">
        <br><br><br><br>
      <ul class="nav nav-sidebar">
        <li class="active"><a href="#">Overview</a></li>
        <li><a href="#">Reports</a></li>
        <li><a href="#">Analytics</a></li>
        <li><a href="#">Export</a></li>
      </ul>
    </div>
    <div class="col-sm-9 col-sm-offset-3 col-md-10 col-md-offset-2 main">
      <h1 class="page-header">Dashboard</h1>
       <div></div>

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

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js">  </script>
</body>
</html>

Answer 1

从你的代码：

<div class="col-sm-3 col-md-2 sidebar">
  [...]
</div>
<div class="col-sm-9 col-sm-offset-3 col-md-10 col-md-offset-2 main">
  [...]
</div>

问题是您的网格在小屏幕上 3 + 9 + 3（偏移）= 15 列（ col-sm-X ）和中等屏幕上的2 + 10 + 2（偏移）= 14 列（ col-md-X ）。

默认情况下，引导网格只有 12 列。

删除偏移应使其正常工作

<div class="col-sm-3 col-md-2 sidebar">
  [...]
</div>
<div class="col-sm-9 col-md-10 main">
  [...]
</div>

Answer 2

您的问题并不清楚您尝试向左或向右对齐哪些元素，但是，bootstrap中执行此操作的快捷方法是类＆＃34;左拉＆＃34;或＆＃34;拉右＆＃34;。从CSS的角度来看，他们将float：left和float：添加到元素中。

http://getbootstrap.com/css/#helper-classes-floats

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="../../favicon.ico">

<title>Dashboard Template for Bootstrap</title>

 <!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
</head>

<body>

 <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
  <div class="container-fluid">
    <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>
      <a class="navbar-brand" href="#">Project name</a>
    </div>
    <div class="navbar-collapse collapse">
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Dashboard</a></li>
        <li><a href="#">Settings</a></li>
        <li><a href="#">Profile</a></li>
        <li><a href="#">Help</a></li>
      </ul>
      <form class="navbar-form navbar-right">
        <input type="text" class="form-control" placeholder="Search...">
      </form>
    </div>
  </div>
 <div class="container-fluid">
  <div class="row">
    <div class="col-sm-3 col-md-2 sidebar pull-left">
        <br><br><br><br>
      <ul class="nav nav-sidebar">
        <li class="active"><a href="#">Overview</a></li>
        <li><a href="#">Reports</a></li>
        <li><a href="#">Analytics</a></li>
        <li><a href="#">Export</a></li>
      </ul>
    </div>
    <div class="col-sm-9 col-sm-offset-3 col-md-10 col-md-offset-2 main pull-right">
      <h1 class="page-header">Dashboard</h1>
       <div></div>

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

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js">  </script>
</body>
</html>

Answer 3

尝试以下课程：

<div class="span6"></div>
<div class="span6"></div>

这将使div具有50％的宽度并正确对齐它们：）

在引导程序中对齐两个div

3 个答案: