bootstrap streamlined tutorial

Bootstrap is very easy to learn, and the styles it provides are very beautiful. With a little bit of learning, you can create beautiful pages.

bootstrap Chinese website: http://v3.bootcss.com/

bootstrap provides three types of downloads:

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Bootstrap for production environments

　Compiled and compressed CSS, JavaScript and font files. Documentation and source code files are not included.

Bootstrap source code

　Source code for Less, JavaScript and font files, with documentation. Requires Less compiler and some setup work.

Sass

　This is a Bootstrap source code migration project from Less to Sass, used to quickly introduce it in Rails, Compass or Sass-only projects.

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In fact, we can use bootstrap without downloading it:

Bootstrap Chinese website has specially built its own free CDN acceleration service for Bootstrap. Based on the CDN service of domestic cloud vendors, the access speed is faster, the acceleration effect is more obvious, there are no speed and bandwidth restrictions, and it is permanently free.

base.html

  
    <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>

    <!-- Bootstrap -->
    <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.min.css">
    
  
  
    <h1>你好，bootstrap！</h1>

    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="http://cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
  

Bootstrap has been introduced in base.html, save it, and we can use the styles provided by bootstrap.

Font icons

bootstrap provides more than 200 icons by default. We can use these icons through span tags:

    <h3>图标</h3>   
    <span class="glyphicon glyphicon-home"></span>
    <span class="glyphicon glyphicon-signal"></span>
    <span class="glyphicon glyphicon-cog"></span>
    <span class="glyphicon glyphicon-apple"></span>
    <span class="glyphicon glyphicon-trash"></span>
    <span class="glyphicon glyphicon-play-circle"></span>
    <span class="glyphicon glyphicon-headphones"></span>

Button

　 tag is used to create buttons, and bootstrap provides rich button styles.

    <h3>按钮</h3>
    <button type="button" class="btn btn-default">按钮</button>
    <button type="button" class="btn btn-primary">primary</button>
    <button type="button" class="btn btn-success">success</button>
    <button type="button" class="btn btn-info">info</button>
    <button type="button" class="btn btn-warning">warning</button>
    <button type="button" class="btn btn-danger">danger</button>
    
    <h3>按钮尺寸</h3>
    <button type="button" class="btn btn-default">按钮</button>
    <button type="button" class="btn btn-primary btn-lg">primary</button>
    <button type="button" class="btn btn-success btn-sm">success</button>
    <button type="button" class="btn btn-info btn-xs">info</button>

    <h3>把图标显示在按钮里</h3>
    <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-home"></span>  按钮</button>

In addition to the default size of the button, bootstrap also provides three parameters to adjust the size of the button, namely: btn-lg, btn-sm and btn-xs.

Dropdown menu

　 Drop-down menu is one of the most common interactions, and bootstrap provides beautiful styles.

     <h3>下拉菜单</h3>
    <div class="dropdown">
      <button class="btn btn-primary dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
        Dropdown
        <span class="caret"></span>
      </button>
      <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
      </ul>
    </div>

Input box

　Create an input box through the tag.

    <h3>输入框</h3>
    <div class="input-group">
      <span class="glyphicon glyphicon-user"></span>
      <input type="text" placeholder="username">
    </div>

    <div class="input-group">
      <span class="glyphicon glyphicon-lock"></span>
      <input type="password" placeholder="password">
    </div>

Navigation Bar

　The navigation bar is essential as a guide for the entire website.

    <h3>导航栏</h3>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div id="navbar" class="navbar-collapse collapse">
          <ul class="nav navbar-nav">
            <li class="active"><a href="#">Home</a></li>
            <li><a href="#about">About</a></li>
            <li><a href="#contact">Contact</a></li>
            <li class="dropdown">
              <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></a>
              <ul class="dropdown-menu" role="menu">
                <li><a href="#">Action</a></li>
                <li><a href="#">Another action</a></li>
                <li class="divider">
                <li class="dropdown-header">Nav header</li>
                <li><a href="#">Separated link</a></li>
              </ul>
            </li>
          </ul>
        </div>
<!--/.nav-collapse -->
      </nav>

 

  

表单

　　人与系统之间数据的传递都需要依靠表单来完成。比如注册/登录信息的提交，查询条件的提交等。用

标签来创建表单。

   <h3>表单</h3>
    

File input

Example block-level help text here.

Check me out

Submit

 

 

警告框

　　警告框是系统向用户传达信息和提供指引的重要手段。没有针对警告框的标签，通过bootstrap所提供的样式可以瞬间制作出漂亮的警告框。

    <h3>警告框</h3>
    <div class="alert alert-warning alert-dismissible" role="alert">
       <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
       <strong>Warning!</strong> Better check yourself, you're not looking too good.
    </div>
    <div class="alert alert-success" role="alert">
        <a href="#" class="alert-link">success!</a>
    </div>
    <div class="alert alert-info" role="alert">
        <a href="#" class="alert-link">info!</a>
    </div>
    <div class="alert alert-warning" role="alert">
        <a href="#" class="alert-link">warning!</a>
    </div>
    <div class="alert alert-danger" role="alert">
        <a href="#" class="alert-link">danger!</a>
    </div>

  

 

进度条

　　系统的处理过程往往需要用户等待，进度条可以让用户感知到系统的处理过程，从而增加容忍度。

    <h3>进度条</h3>
    <div class="progress">
      <div class="progress-bar" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width: 60%;">
        70%
      </div>
    </div>

 

 

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