bootstrap初識

用於生產環境的 Bootstrapcss

  編譯並壓縮後的 CSS、JavaScript 和字體文件。不包含文檔和源碼文件。html

Bootstrap 源碼jquery

  Less、JavaScript 和 字體文件的源碼,而且帶有文檔。須要 Less 編譯器和一些設置工做。bootstrap

Sassapp

  這是 Bootstrap 從 Less 到 Sass 的源碼移植項目,用於快速地在 Rails、Compass 或 只針對 Sass 的項目中引入。ide

------------------------------------------------------------字體

其實咱們不用下載bootstrap也能夠使用它:網站

Bootstrap 中文網 爲 Bootstrap 專門構建了本身的免費 CDN 加速服務。基於國內雲廠商的 CDN 服務,訪問速度更快、加速效果更明顯、沒有速度和帶寬限制、永久免費。ui

base.htmlspa

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<!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個meta標籤*必須*放在最前面,任何其餘內容都*必須*跟隨其後! -->
    <title>Bootstrap 101 Template</title>

    <!-- Bootstrap -->
    <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.min.css">
    
  </head>
  <body>
    <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>
  </body>
</html>
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 base.html中已經引入了bootstrap,將其保存,咱們就能夠使用bootstrap提供的樣式了。

 

字體圖標

bootstrap默認提供了二百多個圖標。咱們能夠經過span標籤來使用這些圖標:

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    <h3>圖標</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>
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按鈕

  <button></button>標籤用於建立按鈕,bootstrap提供了豐富的按鈕樣式。

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    <h3>按鈕</h3>
    <button type="button" class="btn btn-default">按鈕</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>按鈕尺寸</h3>
    <button type="button" class="btn btn-default">按鈕</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>把圖標顯示在按鈕裏</h3>
    <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-home"></span>&nbsp;&nbsp;按鈕</button>
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   按鈕除了有默認的大小外,bootstrap還提供三個參數來調整按鈕的大小,分別是:btn-lg、btn-sm和btn-xs。

 

下拉菜單

  下拉菜單是最多見的交互之一,bootstrap提供了漂亮的樣式。

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     <h3>下拉菜單</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>
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輸入框

  經過<input></input>標籤去建立輸入框。

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    <h3>輸入框</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>
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導航欄

  導航欄做爲整個網站的指引必不可少。

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    <h3>導航欄</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>
                <li class="dropdown-header">Nav header</li>
                <li><a href="#">Separated link</a></li>
              </ul>
            </li>
          </ul>
        </div><!--/.nav-collapse -->
      </div>
    </nav>
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表單

  人與系統之間數據的傳遞都須要依靠表單來完成。好比註冊/登陸信息的提交,查詢條件的提交等。用<form></form>標籤來建立表單。

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   <h3>表單</h3>
    <form>
    <div class="form-group">
      <span class="glyphicon glyphicon-user"></span>
      <input type="email" id="exampleInputEmail1" placeholder="Enter email">
    </div>
    <div class="form-group">
      <span class="glyphicon glyphicon-lock"></span>
      <input type="password" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
      <label for="exampleInputFile">File input</label>
      <input type="file" id="exampleInputFile">
      <p class="help-block">Example block-level help text here.</p>
    </div>
    <div class="checkbox">
      <label>
        <input type="checkbox"> Check me out
      </label>
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
  </form>
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警告框

  警告框是系統向用戶傳達信息和提供指引的重要手段。沒有針對警告框的標籤,經過bootstrap所提供的樣式能夠瞬間製做出漂亮的警告框。

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    <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">&times;</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>
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進度條

  系統的處理過程每每須要用戶等待,進度條能夠讓用戶感知到系統的處理過程,從而增長容忍度。

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    <h3>進度條</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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