BootStrap 按钮和按钮组

内容选自李炎恢的Bootstrap v4.x教程笔记

一.按钮样式

1. 使用.btn 和.btn-*实现按钮的预设样式;

<button type="button" class="btn btn-primary">Bootstrap4.x</button>
<button type="button" class="btn btn-secondary">Bootstrap4.x</button>
<button type="button" class="btn btn-success">Bootstrap4.x</button>
<button type="button" class="btn btn-danger">Bootstrap4.x</button>
<button type="button" class="btn btn-warning">Bootstrap4.x</button>
<button type="button" class="btn btn-info">Bootstrap4.x</button>
<button type="button" class="btn btn-light">Bootstrap4.x</button>
<button type="button" class="btn btn-dark">Bootstrap4.x</button>
<button type="button" class="btn btn-link">Bootstrap4.x</button>


2. .btn 不单单在<button>元素下使用,也可以在<a>、<input>下使用;

<a href="#" class="btn btn-success">Bootstrap4.x</a>
<input type="submit" class="btn btn-danger" value="Bootstrap4.x">

 


3. 使用.btn .btn-outline-*可以实现按钮的轮廓效果;

<button type="button" class="btn btn-outline-danger">Bootstrap4.x</button>
<button type="button" class="btn btn-outline-warning">Bootstrap4.x</button>

 


4. 使用.btn-lg .btn-sm 可以实现按钮尺寸的大和小;

<button type="button" class="btn btn-lg btn-success">Bootstrap4.x</button>
<button type="button" class="btn btn-sm btn-danger">Bootstrap4.x</button>

 


5. 使用.btn-block 将按钮进行 block 区块设置;

<button type="button" class="btn btn-success btn-block">Bootstrap4.x</button>
<button type="button" class="btn btn-danger btn-block">Bootstrap4.x</button>

 


6. 使用.active 启用按钮(默认),使用.disabled 禁用按钮,特别注意<a>的禁用;

<button type="button" class="btn btn-success active">Bootstrap4.x</button>
<button type="button" class="btn btn-success" disabled>Bootstrap4.x</button>
<a href="#" class="btn btn-success disabled">Bootstrap4.x</a> //写在 class 里
<input type="submit" class="btn btn-danger" disabled value="Bootstrap4.x">

 



7. 添加 data-toggle="button"实现按钮切换效果,使用.active 可以默认按下;

<button type="button" class="..." data-toggle="button">Bootstrap4.x</button>

 

二.按钮组样式

1. 使用.btn-group 实现传统方案的复选框和单选框样式;

<div class="btn-group" data-toggle="buttons">
    <label class="btn btn-secondary active">
        <input type="checkbox" checked> PHP
    </label>
    <label class="btn btn-secondary">
        <input type="checkbox"> Python
    </label>
    <label class="btn btn-secondary">
        <input type="checkbox"> GO
    </label>
</div>
<div class="btn-group" data-toggle="buttons">
    <label class="btn btn-secondary active">
        <input type="radio" name="options" checked> PHP
    </label>
    <label class="btn btn-secondary">
        <input type="radio" name="options"> Python
    </label>
    <label class="btn btn-secondary">
        <input type="radio" name="options"> GO
    </label>
</div>

 


2. 使用.btn-group .btn-group-toggle 实现全新方案的复选框和单选框;

<div class="btn-group btn-group-toggle" data-toggle="buttons">

 


3. 使用.btn-group 构建普通的按钮组;

<div class="btn-group">
  <button type="button" class="btn btn-secondary">左</button>
  <button type="button" class="btn btn-secondary">中</button>
  <button type="button" class="btn btn-secondary">右</button>
</div>

 



4. 使用.btn-toolbar 构建分页工具类;

<div class="btn-toolbar">
    <div class="btn-group mr-2">
        <button type="button" class="btn btn-secondary">1</button>
        <button type="button" class="btn btn-secondary">2</button>
        <button type="button" class="btn btn-secondary">3</button>
        <button type="button" class="btn btn-secondary">4</button>
        <button type="button" class="btn btn-secondary">5</button>
    </div>
    <div class="btn-group">
        <button type="button" class="btn btn-secondary">7</button>
        <button type="button" class="btn btn-secondary">8</button>
        <button type="button" class="btn btn-secondary">9</button>
    </div>
</div>

 


5. 使用.btn-group-lg 和.btn-group-sm 实现大尺寸和小尺寸;

<div class="btn-group btn-group-lg">
<div class="btn-group btn-group-sm">

 


6. 使用.btn-group-vertical 设置垂直按钮组;

<div class="btn-group-vertical">

 

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