简介
Bootstrap 是一种简洁、直观、强悍的前端开发框架,它让web开发更迅速、简单
官方地址:https://getbootstrap.com
中文地址:http://www.bootcss.com/
环境搭建
我们使用V3版本,用于生产环境的Bootstrap,将下载的安装包解压,查看目录结构如下
由于Bootstrap的某些组件依赖于jQuery,所以请确保下载对应版本的jQuery文件,来保证Bootstrap相关组件运行正常
Bootstrap全局样式
标题相关
<!--标题--> <h1>一级标题36px</h1> <h2>二级标题30px</h2> <h3>三级标题24px</h3> <h4>四级标题18px</h4> <h5>五级标题14px</h5> <h6>六级标题12px</h6> <!--除了使用h标签,Bootstrap内置了相应的全局样式--> <!--内联标签应用标题样式--> <span class="h1">一级标题36px</span> <span class="h2">二级标题30px</span> <span class="h3">三级标题24px</span> <span class="h4">四级标题18px</span> <span class="h5">五级标题14px</span> <span class="h6">六级标题12px</span> <!--副标题--> <!--一级标题中嵌入小标题--> <h1>一级标题<small>小标题</small></h1>
文本相关
<!--文本对齐--> <p class="text-left">文本左对齐</p> <p class="text-center">文本居中</p> <p class="text-right">文本右对齐</p> <!--大小写--> <p class="text-lowercase">Lowercased text.</p> <p class="text-uppercase">Uppercased text.</p> <p class="text-capitalize">Capitalized text.</p>
表格
Class 描述
.table-striped 条纹状表格
.table-bordered 带边框的表格
.table-hover 鼠标悬停变色的表格
.table-condensed 紧缩型表格
.table-responsive 响应式表格
状态类
Class 描述
.active 鼠标悬停在行或单元格上时所设置的颜色
.success 标识成功或积极的动作
.info 标识普通的提示信息或动作
.warning 标识警告或需要用户注意
.danger 标识危险或潜在的带来负面影响的动作
按钮
<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"> <!--按钮样式--> <!-- Standard button --> <button type="button" class="btn btn-default">(默认样式)Default</button> <!-- Provides extra visual weight and identifies the primary action in a set of buttons --> <button type="button" class="btn btn-primary">(首选项)Primary</button> <!-- Indicates a successful or positive action --> <button type="button" class="btn btn-success">(成功)Success</button> <!-- Contextual button for informational alert messages --> <button type="button" class="btn btn-info">(一般信息)Info</button> <!-- Indicates caution should be taken with this action --> <button type="button" class="btn btn-warning">(警告)Warning</button> <!-- Indicates a dangerous or potentially negative action --> <button type="button" class="btn btn-danger">(危险)Danger</button> <!-- Deemphasize a button by making it look like a link while maintaining button behavior --> <button type="button" class="btn btn-link">(链接)Link</button> <!--按钮大小--> <p> <button type="button" class="btn btn-primary btn-lg">(大按钮)Large button</button> <button type="button" class="btn btn-default btn-lg">(大按钮)Large button</button> </p> <p> <button type="button" class="btn btn-primary">(默认尺寸)Default button</button> <button type="button" class="btn btn-default">(默认尺寸)Default button</button> </p> <p> <button type="button" class="btn btn-primary btn-sm">(小按钮)Small button</button> <button type="button" class="btn btn-default btn-sm">(小按钮)Small button</button> </p> <p> <button type="button" class="btn btn-primary btn-xs">(超小尺寸)Extra small button</button> <button type="button" class="btn btn-default btn-xs">(超小尺寸)Extra small button</button> </p>
图片
<!--图片形状--> <img src="..." alt="..." class="img-rounded"> <img src="..." alt="..." class="img-circle"> <img src="..." alt="..." class="img-thumbnail">
辅助类
<!--文本颜色--> <p class="text-muted">...</p> <p class="text-primary">...</p> <p class="text-success">...</p> <p class="text-info">...</p> <p class="text-warning">...</p> <p class="text-danger">...</p> <!--背景颜色--> <p class="bg-primary">...</p> <p class="bg-success">...</p> <p class="bg-info">...</p> <p class="bg-warning">...</p> <p class="bg-danger">...</p> <!--关闭按钮--> <button type="button" class="close" aria-label="Close"><span aria-hidden="true">×</span></button> <!--下拉三角--> <span class="caret"></span> <!--快速浮动--> <div class="pull-left">...</div> <div class="pull-right">...</div> <!--内容块居中--> <div class="center-block">...</div> <!--清除浮动--> <div class="clearfix">...</div> <!--显示与隐藏--> <div class="show">...</div> <div class="hidden">...</div>
常用Bootstrap组件
字体图标、下拉菜单、按钮组、输入框组、导航、分页、标签和徽章、页头、缩率图、进度条
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
<!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"> <link rel="stylesheet" href="./bootstrap.min.css"> <title>登录注册</title> <style> body{ background-color: #eee; } </style> </head> <body> <div class="container"> <div class="row"> <div class="col-md-4 col-md-offset-4" style="margin-top:100px"> <h1 class="text-center">请登录</h1> <form class="form-horizontal"> <div class="form-group"> <label for="inputEmail3" class="col-sm-2 control-label">邮箱</label> <div class="col-sm-8"> <input type="email" class="form-control" id="inputEmail3" placeholder="Email"> </div> </div> <div class="form-group"> <label for="inputPassword3" class="col-sm-2 control-label">密码</label> <div class="col-sm-8"> <input type="password" class="form-control" id="inputPassword3" placeholder="Password"> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-8"> <div class="checkbox"> <label> <input type="checkbox"> 记住我 </label> </div> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-8"> <button type="submit" class="btn btn-primary btn-block">登录</button> </div> </div> </form> </div> </div> </div> </body> </html>