<!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"> <!-- Bootstrap --> <link href="__STATIC__/插件/bootstrap-3.3.7-dist/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.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script> <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script> <![endif]--> <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) --> <script src="__STATIC__/插件/jquery-3.3.1.min.js"></script> <script src="__STATIC__/插件/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script> <title>bootstrap</title> <style> .show{ border:1px solid #333; background-color: pink; height:30px; } .clear{ padding:0px; } </style> </head> <body> <h1>栅格布局的实现过程</h1> <p class="text-center">1,分成两部分：8列。4列</p> <div class="container"> <div class="row"> <!-- 一行 --> <div class="col-md-8 show">8</div> <div class="col-md-4 show">4</div> </div> </div> <p class="text-center">2,分成12等分</p> <div class="container"> <div class="row"> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> <div class="col-md-1 show"></div> </div> </div> <p class="text-center">2,分成三部分，4列，5列，3列</p> <div class="container"> <div class="row"> <div class="col-md-4 show">4</div> <div class="col-md-5 show">5</div> <div class="col-md-3 show">3</div> </div> </div> <p class="text-center">3,推拉操作（原始）</p> <div class="container"> <div class="row"> <!-- 一行 --> <!-- 推拉实现左右两部分的对调 --> <div class="col-md-8 show">8</div> <div class="col-md-4 show">4</div> </div> </div> <p class="text-center">3,推拉操作</p> <div class="container"> <div class="row"> <!-- 一行 --> <!-- 推拉实现左右两部分的对调 --> <div class="col-md-8 col-md-push-4 show">8（我被推到右边）</div> <div class="col-md-4 col-md-pull-8 show">4（我被拉到左边）</div> col-md-push-*/col-md-pull-*:是利用相对定位实现的。 </div> </div> <p class="text-center">4，嵌套（原始）</p> <div class="container"> <div class="row"> <!-- 一行 --> <div class="col-md-9 show">9</div> <div class="col-md-3 show">3</div> </div> </div> <p class="text-center">4，嵌套</p> <div class="container"> <div class="row"> <!-- 一行 --> <div class="col-md-9 clear"> <div class="col-md-3 show">3（嵌套）</div> <div class="col-md-4 show">4（嵌套）</div> <div class="col-md-5 show">5（嵌套）</div> </div> <div class="col-md-3 show">3</div> </div> </div> <p class="text-center">5，偏移（前）</p> <div class="container"> <div class="row"> <!-- 一行 --> <div class="col-md-4 show">4</div> <div class="col-md-4 show">4</div> </div> </div> <p class="text-center">5，偏移</p> <div class="container"> <div class="row"> <!-- 一行 --> <div class="col-md-4 show">4</div> <div class="col-md-4 show col-md-offset-4 show">4(我偏移了四列)</div><!-- col-md-offset-4:利用margin-left实现的,只能向右偏移 --> </div> </div> </body> </html>
