BootStrap基础知识

BootStrap

前置知识：

0.https://v3.bootcss.com/getting-started/    //下载BootStrap
1.将bootstrap(css,fonts,js文件夹放入工程)
2.形成基本框架 

基本框架：

<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>Bootstrap 101 Template</title>
    <link href="../css/bootstrap.min.css" rel="stylesheet">
	<!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->
    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->
    <!--[if lt IE 9]>
      <script src="https://cdn.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script>
      <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script>
    <![endif]-->
  </head>
  <body>
    <h1>你好，世界！</h1>
    </div></div>
    <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
    <script src="../js/bootstrap.min.js"></script>
  </body>
</html>

响应式布局：依赖于栅格系统，一行有12个格，元素可以指定占据各自数

1.定义容器：container(留白) container-fluid:(全占用)
2.容器内定义行：row
3.行内定义元素：col  
	指定设备：col-xs手机 col-sm 平板 col-md笔记本 col-lg大屏幕

CSS样式：按钮，图片，表格，表单

按钮：
	default:按钮的背景色为白.还有danger...
	<a class="btn btn-default" href="#" role="button">Link</a>
	<button class="btn btn-default" type="submit">Button</button>
	<input class="btn btn-default" type="button" value="Input">
	<input class="btn btn-default" type="submit" value="Submit">

图片：
	//圆形..自适应屏幕..边框
	<img src="D:\壁纸\new壁纸\165424.jpg" alt="..." class="img-responsive img-circle img-thumbnail" >
	<img src="..." alt="..." class="img-thumbnail">  
    <img src="..." alt="..." class="img-rounded"> //方形
	<img src="..." alt="..." class="img-circle">
	
表格：
	//带边框：table bordered 鼠标悬停变色：table-hover ..
	<table class="table table-bordered  table-hover">
	<tr>
		<th> 编号</th>
		<th> 姓名</th>
		<th> 年份</th>
	</tr>
	
	<tr>
		<td> 1</th>
		<td> 李紫薇</th>
		<td> 1998</th>
	</tr>	
	<tr>
		<td> 2</th>
		<td> 陈夏将</th>
		<td> 1998</th>
	</tr>	
	<tr>
		<td> 3</th>
		<td> 米其林</th>
		<td> 1928</th>
	</tr>	
	
	</table>

表单：
	//表单项加class="form-control"

  <form class = "form-horizontal">
  <div class="form-group">
    <label for="exampleInputEmail1" class = "col-sm-2 control-label">Email address</label>
   	<div class = "col-sm-5">
    <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Email">
  	</div>
  </div>
  <div class="form-group">
    <label for="exampleInputPassword1" class = "col-sm-2 control-label">Password</label>
     <div class = "col-sm-5">
    <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
 	</div>
  </div>
  
  <div class="form-group">
    <label for="exampleInputFile"  class = "col-sm-2 control-label" >File input</label>
    <div class = "col-sm-5">
    <input type="file" id="exampleInputFile">
    <p class="help-block">Example block-level help text here.</p>
     </div>
  </div>
  
  <div class="checkbox"> 
  	<div class = "col-sm-2"></div>    <!-- 单选框在中间 -->
    <label class = "control-label">
      <input type="checkbox" > Check me out
    </label>
  </div>
  
  <div class = "col-sm-2"></div>
  <button type="submit" class="btn btn-default">Submit</button>
</form>

组件：导航条，分页条

导航条：

<nav class="navbar navbar-inverse">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->

<!-- 1.定义可缩小后的按钮形状 -->
<div class="navbar-header">
  <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
    <span class="sr-only">Toggle navigation</span>
    <!-- 2.定义线条数目3条  ...-->
    <span class="icon-bar"></span>
    <span class="icon-bar"></span>
    <span class="icon-bar"></span>
    
  </button>
  <a class="navbar-brand" href="#">Brand</a>
</div>

<!-- Collect the nav links, forms, and other content for toggling -->


<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
  <ul class="nav navbar-nav">
    <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
    <li><a href="#">Link</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
      <ul class="dropdown-menu">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">One more separated link</a></li>
      </ul>
    </li>
  </ul>
  <form class="navbar-form navbar-left">
    <div class="form-group">
      <input type="text" class="form-control" placeholder="Search">
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
  </form>
  <ul class="nav navbar-nav navbar-right">
    <li><a href="#">Link</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
      <ul class="dropdown-menu">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
      	</ul>
   	 </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>

分页条：
	 <nav aria-label="Page navigation">
  <ul class="pagination">
    <li>
      <a href="#" aria-label="Previous">
        <span aria-hidden="true">&laquo;</span>
      </a>
    </li>
    <li><a href="#">1</a></li>
    <li><a href="#">2</a></li>
    <li><a href="#">3</a></li>
    <li><a href="#">4</a></li>
    <li><a href="#">5</a></li>
    <li>
      <a href="#" aria-label="Next">
        <span aria-hidden="true">&raquo;</span>
      </a>
    </li>
  </ul>
</nav>

js插件 ： 轮播图

   <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
  <!-- Indicators -->
  <ol class="carousel-indicators">
    <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
    <li data-target="#carousel-example-generic" data-slide-to="1"></li>
    <li data-target="#carousel-example-generic" data-slide-to="2"></li>
  </ol>

  <!-- Wrapper for slides -->
  <div class="carousel-inner" role="listbox">
    <div class="item active">
      <img src="../pictures/test (1).jpg" alt="...">
      <div class="carousel-caption">
<!-- 可填入备注信息在上面，会一起显示 -->
      </div>
    </div>
    <div class="item">
      <img src="../pictures/test (2).jpg" alt="...">
      <div class="carousel-caption">
      </div>
    </div>
    
 <div class="item">
      <img src="../pictures/test (3).jpg" alt="...">
      <div class="carousel-caption">
      		
      </div>
    </div>
     <div class="item">
      <img src="../pictures/test (4).jpg" alt="...">
      <div class="carousel-caption">
      
      </div>
    </div>
     <div class="item">
      <img src="../pictures/test (5).jpg" alt="...">
      <div class="carousel-caption">
      	 
      </div>
    </div>
  </div>

  <!-- Controls -->
  <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
    <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
    <span class="sr-only">Previous</span>
  </a>
  <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
    <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
    <span class="sr-only">Next</span>
  </a>
</div>

参考教程：

	https://v3.bootcss.com/getting-started/