Bootstrap 提供了一些选项来定义按钮的样式，具体如下表所示： 以下样式可用于< a >, < button >, 或 < input > 元素上： <table border="1" cellpadding="2" cellspacing="0" style="font-size:undefined; border-collapse:collapse; margin-top:10px; margin-bottom:10px"><tbody style="background-color:inherit"><tr style="background-color:inherit"><th style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit; width:98.4000015258789px"><span style="font-family:Comic Sans MS; font-size:14px">类</span></th><th style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit; width:436px"><span style="font-family:Comic Sans MS; font-size:14px">描述</span></th></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">为按钮添加基本样式</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:27.0000030517578px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-default</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:27.0000030517578px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">默认/标准按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:30.199993896484386px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-primary</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:30.199993896484386px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">原始按钮样式（未被操作）</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-success</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">表示成功的动作</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-info</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">该样式可用于要弹出信息的按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-warning</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">表示需要谨慎操作的按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-danger</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">表示一个危险动作的按钮操作</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-link</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">让按钮看起来像个链接 (仍然保留按钮行为)</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-lg</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">制作一个大按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-sm</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">制作一个小按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-xs</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">制作一个超小按钮</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.btn-block</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">块级按钮(拉伸至父元素100%的宽度)</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:24.5999755859375px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.active</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:24.5999755859375px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">按钮被点击</span></td></tr><tr style="background-color:inherit"><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">.disabled</span></td><td style="word-break:break-all; border:1px solid rgb(153,153,153); padding:5px 16px 5px 12px; min-height:25px; min-width:25px; height:25px; background-color:inherit"><span style="font-family:Comic Sans MS; font-size:14px">禁用按钮<br/></span></td></tr></tbody></table> 首先看下不同颜色的按钮： ~~~ <html lang="en"> <head> <!--网站编码格式，UTF-8 国际编码，GBK或 gb2312 中文编码--> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="Keywords" content="关键词一，关键词二"> <meta name="Description" content="网站描述内容"> <meta name="Author" content="Yvette Lau"> <meta name = "viewport" content = " width = device-width, initial-scale = 1 "> <title>BootstrapDemo</title> <!--css js 文件的引入--> <link rel="stylesheet" type="text/css" href="../bootstrap-3.3.5-dist/css/bootstrap.min.css"> </head> <body style="padding: 20px;"> <!-- 标准的按钮 --> <button type="button" class="btn btn-default">默认按钮</button> <!-- 提供额外的视觉效果，标识一组按钮中的原始动作 --> <button type="button" class="btn btn-primary">原始按钮</button> <!-- 表示一个成功的或积极的动作 --> <button type="button" class="btn btn-success">成功按钮</button> <!-- 用于要弹出信息的按钮 --> <button type="button" class="btn btn-info">信息按钮</button> <!-- 表示应谨慎操作的动作 --> <button type="button" class="btn btn-warning">警告按钮</button> <!-- 表示一个危险动作的按钮 --> <button type="button" class="btn btn-danger">危险按钮</button> <!-- 让按钮看起来像一个链接，但同时保持按钮的行为 --> <button type="button" class="btn btn-link">链接按钮</button> </body> </html> ~~~ 效果：  btn-default / btn-primary /btn-success/ btn-info/ btn-warning/ btn-danger/ btn-link给按钮加上了不同的样式。 ### 按钮大小 鉴于head部分都是相同的，只列出Body的内容。 ~~~ <body style="padding: 20px;width:500px;"> <!-- 标准的按钮 --> <button type="button" class="btn btn-default">默认按钮</button> <button type="button" class="btn btn-lg btn-default">大的默认按钮</button> <br/><br/> <!-- 提供额外的视觉效果，标识一组按钮中的原始动作 --> <button type="button" class="btn btn-primary">原始按钮</button> <button type="button" class="btn btn-sm btn-primary">小的原始按钮</button> <br/><br/> <!-- 表示一个成功的或积极的动作 --> <button type="button" class="btn btn-success">成功按钮</button> <button type="button" class="btn btn-xs btn-success">特别小的成功按钮</button> <br/><br/> <!-- 用于要弹出信息的按钮 --> <button type="button" class="btn btn-info">信息按钮</button><br/><br/> <button type="button" class="btn btn-block btn-info">块级信息按钮</button> </body> ~~~ 效果如下所示：  ### 按钮状态 按钮分为active和disabled两种状态、 激活状态：按钮呈现出被按压的外观，即背景颜色变深、深色边框和阴影。 禁用状态：按钮颜色会变淡 50%，并失去渐变 看具体的例子： ~~~ <body style="padding: 20px;width:500px;"> <!-- 标准的按钮 --> <button type="button" class="btn btn-default">默认按钮</button> <button type="button" class="btn btn-default active">激活的默认按钮</button> <br/><br/> <!-- 提供额外的视觉效果，标识一组按钮中的原始动作 --> <button type="button" class="btn btn-primary">原始按钮</button> <button type="button" class="btn btn-primary active">激活的原始按钮</button> <br/><br/> <!-- 表示一个成功的或积极的动作 --> <button type="button" class="btn btn-success">成功按钮</button> <button type="button" class="btn btn-success active">激活的成功按钮</button> <br/><br/> <!-- 用于要弹出信息的按钮 --> <button type="button" class="btn btn-info">信息按钮</button> <button type="button" class="btn btn-info active">激活的信息按钮</button> <br/><br/> <button type="button" class="btn btn-default">默认按钮</button> <button type="button" class="btn btn-default disabled">禁用的默认按钮</button> <br/><br/> <!-- 提供额外的视觉效果，标识一组按钮中的原始动作 --> <button type="button" class="btn btn-primary">原始按钮</button> <button type="button" class="btn btn-primary disabled">禁用的原始按钮</button> <br/><br/> <!-- 表示一个成功的或积极的动作 --> <button type="button" class="btn btn-success">成功按钮</button> <button type="button" class="btn btn-success disabled">禁用的成功按钮</button> <br/><br/> <!-- 用于要弹出信息的按钮 --> <button type="button" class="btn btn-info">信息按钮</button> <button type="button" class="btn btn-info disabled">禁用的信息按钮</button> </body> ~~~  ### 按钮标签 a,input都可以表现的像一个按钮，但是避免跨浏览器不一致，最好使用Button标签。 ~~~ <body style="padding: 20px;"> <a class="btn btn-default" href="#" role="button">超链接按钮</a> <button class="btn btn-default btn-primary" type="submit">button按钮</button> <input class="btn btn-default btn-success" type="button" value="input按钮"> <input class="btn btn-default btn-info" type="submit" value="submit按钮"> </body> ~~~