githab
/
Light-Year-Admin-Template


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
<title>按钮 - 光年(Light Year Admin)后台管理系统模板</title>
<link rel="icon" href="favicon.ico" type="image/ico">
<meta name="keywords" content="LightYear,光年,后台模板,后台管理系统,光年HTML模板">
<meta name="description" content="LightYear是一个基于Bootstrap v3.3.7的后台管理系统的HTML模板。">
<meta name="author" content="yinqi">
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/materialdesignicons.min.css" rel="stylesheet">
<link href="css/style.min.css" rel="stylesheet">
</head>
  
<body>
<div class="lyear-layout-web">
  <div class="lyear-layout-container">
    <!--左侧导航-->
    <aside class="lyear-layout-sidebar">
       
      <!-- logo -->
      <div id="logo" class="sidebar-header">
        <a href="index.html"><img src="images/logo-sidebar.png" title="LightYear" alt="LightYear" /></a>
      </div>
      <div class="lyear-layout-sidebar-scroll">
        
        <nav class="sidebar-main">
          <ul class="nav nav-drawer">
            <li class="nav-item"> <a href="index.html"><i class="mdi mdi-home"></i> 后台首页</a> </li>
            <li class="nav-item nav-item-has-subnav active open">
              <a href="javascript:void(0)"><i class="mdi mdi-palette"></i> UI 元素</a>
              <ul class="nav nav-subnav">
                <li class="active"> <a href="lyear_ui_buttons.html">按钮</a> </li>
                <li> <a href="lyear_ui_cards.html">卡片</a> </li>
                <li> <a href="lyear_ui_grid.html">格栅</a> </li>
                <li> <a href="lyear_ui_icons.html">图标</a> </li>
                <li> <a href="lyear_ui_tables.html">表格</a> </li>
                <li> <a href="lyear_ui_modals.html">模态框</a> </li>
                <li> <a href="lyear_ui_tooltips_popover.html">提示 / 弹出框</a> </li>
                <li> <a href="lyear_ui_alerts.html">警告框</a> </li>
                <li> <a href="lyear_ui_pagination.html">分页</a> </li>
                <li> <a href="lyear_ui_progress.html">进度条</a> </li>
                <li> <a href="lyear_ui_tabs.html">标签页</a> </li>
                <li> <a href="lyear_ui_typography.html">排版</a> </li>
                <li> <a href="lyear_ui_other.html">其他</a> </li>
              </ul>
            </li>
            <li class="nav-item nav-item-has-subnav">
              <a href="javascript:void(0)"><i class="mdi mdi-format-align-justify"></i> 表单</a>
              <ul class="nav nav-subnav">
                <li> <a href="lyear_forms_elements.html">基本元素</a> </li>
                <li> <a href="lyear_forms_radio.html">单选框</a> </li>
                <li> <a href="lyear_forms_checkbox.html">复选框</a> </li>
                <li> <a href="lyear_forms_switch.html">开关</a> </li>
              </ul>
            </li>
            <li class="nav-item nav-item-has-subnav">
              <a href="javascript:void(0)"><i class="mdi mdi-file-outline"></i> 示例页面</a>
              <ul class="nav nav-subnav">
                <li> <a href="lyear_pages_doc.html">文档列表</a> </li>
                <li> <a href="lyear_pages_gallery.html">图库列表</a> </li>
                <li> <a href="lyear_pages_config.html">网站配置</a> </li>
                <li> <a href="lyear_pages_rabc.html">设置权限</a> </li>
                <li> <a href="lyear_pages_add_advs.html">添加广告</a> </li>
                <li> <a href="lyear_pages_login.html">登录页面</a> </li>
              </ul>
            </li>
            <li class="nav-item nav-item-has-subnav">
              <a href="javascript:void(0)"><i class="mdi mdi-language-javascript"></i> JS 插件</a>
              <ul class="nav nav-subnav">
                <li> <a href="lyear_js_datepicker.html">日期选取器</a> </li>
                <li> <a href="lyear_js_sliders.html">滑块</a> </li>
                <li> <a href="lyear_js_colorpicker.html">选色器</a> </li>
                <li> <a href="lyear_js_chartjs.html">Chart.js</a> </li>
                <li> <a href="lyear_js_jconfirm.html">对话框</a> </li>
                <li> <a href="lyear_js_tags_input.html">标签插件</a> </li>
                <li> <a href="lyear_js_notify.html">通知消息</a> </li>
              </ul>
            </li>
          </ul>
        </nav>
        
        <div class="sidebar-footer">
          <p class="copyright">Copyright &copy; 2019. <a target="_blank" href="http://lyear.itshubao.com">IT书包</a> All rights reserved.</p>
        </div>
      </div>
      
    </aside>
    <!--End 左侧导航-->
    
    <!--头部信息-->
    <header class="lyear-layout-header">
      
      <nav class="navbar navbar-default">
        <div class="topbar">
          
          <div class="topbar-left">
            <button class="pull-left hidden-lg hidden-md navbar-toggle" type="button" data-toggle="layout" data-action="sidebar_toggle">
              <span class="sr-only">显示/隐藏侧边栏</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <span class="navbar-page-title"> UI元素 - 按钮 </span>
          </div>
          
          <ul class="topbar-right">
            <li class="dropdown dropdown-profile">
              <a href="javascript:void(0)" data-toggle="dropdown">
                <img class="img-avatar img-avatar-48 m-r-10" src="images/users/avatar.jpg" alt="笔下光年" />
                <span>笔下光年 <span class="caret"></span></span>
              </a>
              <ul class="dropdown-menu dropdown-menu-right">
                <li> <a href="lyear_pages_profile.html"><i class="mdi mdi-account"></i> 个人信息</a> </li>
                <li> <a href="lyear_pages_edit_pwd.html"><i class="mdi mdi-lock-outline"></i> 修改密码</a> </li>
                <li> <a href="javascript:void(0)"><i class="mdi mdi-delete"></i> 清空缓存</a></li>
                <li class="divider"></li>
                <li> <a href="lyear_pages_login.html"><i class="mdi mdi-logout-variant"></i> 退出登录</a> </li>
              </ul>
            </li>
          </ul>
          
        </div>
      </nav>
      
    </header>
    <!--End 头部信息-->
    
    <!--页面主要内容-->
    <main class="lyear-layout-content">
      
      <div class="container-fluid">
        
        <div class="row">
          
          <div class="col-lg-12">
            <div class="card">
              <div class="card-header"><h4>按钮</h4></div>
              <div class="card-body">
                <div class="table-responsive">
                  <table class="table table-bordered table-striped table-vcenter">
                    <thead>
                      <tr>
                        <th class="w-15">按钮</th>
                        <th>class=""</th>
                        <th class="w-15">按钮</th>
                        <th>class=""</th>
                      </tr>
                    </thead>
                    <tbody>
                      <tr>
                        <td><button class="btn btn-default btn-w-md" type="button">默认按钮</button></td>
                        <td><code>btn btn-default</code></td>
                        <td><button class="btn btn-primary btn-w-md" type="button">主要颜色按钮</button></td>
                        <td><code>btn btn-primary</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-success btn-w-md" type="button">绿色按钮</button></td>
                        <td><code>btn btn-success</code></td>
                        <td><button class="btn btn-info btn-w-md" type="button">一般信息按钮</button></td>
                        <td><code>btn btn-info</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-warning btn-w-md" type="button">橙色按钮</button></td>
                        <td><code>btn btn-warning</code></td>
                        <td><button class="btn btn-danger btn-w-md" type="button">红色按钮</button></td>
                        <td><code>btn btn-danger</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-secondary btn-w-md" type="button">次要颜色按钮</button></td>
                        <td><code>btn btn-secondary</code></td>
                        <td><button class="btn btn-dark btn-w-md" type="button">黑色按钮</button></td>
                        <td><code>btn btn-dark</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-purple btn-w-md" type="button">紫色按钮</button></td>
                        <td><code>btn btn-purple</code></td>
                        <td><button class="btn btn-pink btn-w-md" type="button">粉红色按钮</button></td>
                        <td><code>btn btn-pink</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-cyan btn-w-md" type="button">青色按钮</button></td>
                        <td><code>btn btn-cyan</code></td>
                        <td><button class="btn btn-yellow btn-w-md" type="button">黄色按钮</button></td>
                        <td><code>btn btn-yellow</code></td>
                      </tr>
                      <tr>
                        <td><button class="btn btn-brown btn-w-md" type="button">棕色按钮</button></td>
                        <td><code>btn btn-brown</code></td>
                        <td><button class="btn btn-link" type="button">链接形式</button></td>
                        <td><code>btn btn-link</code></td>
                      </tr>
                    </tbody>
                  </table>
                </div>
              </div>
            </div>  
          </div>
          
          <div class="col-lg-12">
            <div class="card">
              <div class="card-header"><h4>其他按钮样式</h4></div>
              <div class="card-body">
                <div class="row">
                  <div class="col-lg-6">
                    <h5>圆角按钮</h5>
                    <p><code>class</code> 中增加 <code>.btn-round</code>。</p>
                    <div class="example-box">
                      <button class="btn btn-w-md btn-round btn-primary">主色按钮</button>
                      <button class="btn btn-w-md btn-round btn-secondary">次色按钮</button>
                      <button class="btn btn-w-md btn-round btn-success">绿色按钮</button>
                      <button class="btn btn-w-md btn-round btn-info">信息按钮</button>
                      <button class="btn btn-w-md btn-round btn-warning">橙色按钮</button>
                      <button class="btn btn-w-md btn-round btn-danger">红色按钮</button>
                    </div>
                  </div>
                  <div class="col-lg-6">
                    <h5>带图标的按钮</h5>
                    <p><code>class</code> 中增加 <code>.btn-label</code>，<code>button</code> 元素中增加 <code>label</code> 元素。</p>
                    <div class="example-box">
                      <button class="btn btn-label btn-primary"><label><i class="mdi mdi-checkbox-marked-circle-outline"></i></label> 确认提交</button>
                      <button class="btn btn-label btn-info"><label><i class="mdi mdi-play-circle-outline"></i></label> 播放</button>
                      <button class="btn btn-label btn-warning"><label><i class="mdi mdi-delete-empty"></i></label> 清空数据</button>
                      <button class="btn btn-label btn-danger"><label><i class="mdi mdi-close"></i></label> 删除</button>
                    </div>
                  </div>
                </div>
                
                <div class="row">
                  <div class="col-lg-12">
                    <hr>
                    <h5>指定按钮宽度</h5>
                    <p>可使用 <code>.btn-w-xs</code>, <code>.btn-w-sm</code>, <code>.btn-w-md</code>, <code>.btn-w-lg</code> 和 <code>.btn-w-xl</code> 类指定按钮宽度。</p>
                    <div class="example-box">
                      <button class="btn btn-w-xs btn-primary">极小宽</button>
                      <button class="btn btn-w-sm btn-primary">小的</button>
                      <button class="btn btn-w-md btn-primary">中等宽度</button>
                      <button class="btn btn-w-lg btn-primary">宽按钮</button>
                      <button class="btn btn-w-xl btn-primary">超宽</button>
                    </div>
                    <hr>
                  </div>
                  <div class="col-lg-6">
                    <h5>按钮大小</h5>
                    <p>使用 <code>.btn-lg</code>, <code>.btn-sm</code> 和 <code>.btn-xs</code> 类指定按钮的大小。</p>
                    <div class="example-box">
                      <button class="btn btn-lg btn-primary">大的按钮</button>
                      <button class="btn btn-primary">默认按钮</button>
                      <button class="btn btn-sm btn-primary">小按钮</button>
                      <button class="btn btn-xs btn-primary">极小的按钮</button>
                    </div>
                  </div>
                  <div class="col-lg-6">
                    <h5>块级元素按钮</h5>
                    <p>加上 <code>.btn-block</code> 类可以使得按钮变成一个块级元素按钮。</p>
                    <button class="btn btn-block btn-primary">块级元素按钮</button>
                  </div>
                </div>
                
              </div>
            </div>
          </div>
          
          <div class="col-lg-12">
            <div class="card">
              <div class="card-header"><h4>切换选择按钮</h4></div>
              <div class="card-body">
                <div class="row"> 
                  
                  <div class="col-lg-4">
                    <h5>单个按钮</h5>
                    <button class="btn btn-primary" data-toggle="button">单按钮切换</button>
                  </div>
                  
                  <div class="col-lg-4">
                    <h5>多选</h5>
                    <div class="btn-group btn-group-toggle" data-toggle="buttons">
                      <label class="btn btn-primary active">
                        <input type="checkbox" checked autocomplete="off">
                        <i class="mdi mdi-format-text"></i>
                      </label>
                      <label class="btn btn-primary">
                        <input type="checkbox" autocomplete="off">
                        <i class="mdi mdi-format-underline"></i>
                      </label>
                      <label class="btn btn-primary">
                        <input type="checkbox" autocomplete="off">
                        <i class="mdi mdi-format-italic"></i>
                      </label>
                    </div>
                  </div>
                  
                  <div class="col-lg-4">
                    <h5>单选</h5>
                    <div class="btn-group btn-group-toggle" data-toggle="buttons">
                      <label class="btn btn-primary active">
                        <input type="radio" name="options" id="option1" autocomplete="off" checked>
                        <i class="mdi mdi-format-align-left"></i> </label>
                      <label class="btn btn-primary">
                        <input type="radio" name="options" id="option2" autocomplete="off">
                        <i class="mdi mdi-format-align-center"></i> </label>
                      <label class="btn btn-primary">
                        <input type="radio" name="options" id="option3" autocomplete="off">
                        <i class="mdi mdi-format-align-right"></i> </label>
                      <label class="btn btn-primary">
                        <input type="radio" name="options" id="option3" autocomplete="off">
                        <i class="mdi mdi-format-align-justify"></i> </label>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          
          <div class="col-lg-12">
            <div class="card">
              <div class="card-header"><h4>按钮组</h4></div>
              <div class="card-body">
                
                <div class="row">
                  <div class="col-lg-4">
                    <h5>默认</h5>
                    <div class="btn-group">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                    <hr>
                    <h5>圆角</h5>
                    <div class="btn-group btn-group-round">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                    <hr>
                    <h5>两端对齐的</h5>
                    <div class="btn-group btn-group-justified">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                  </div>
                  <div class="col-lg-4 text-center">
                    <h5>垂直的</h5>
                    <div class="btn-group-vertical">
                      <button class="btn btn-default">上</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">下</button>
                    </div>
                    <hr>
                    <h5>嵌套的</h5>
                    <div class="btn-group">
                      <button class="btn btn-default"><i class="mdi mdi-replay"></i></button>
                      <button class="btn btn-default"><i class="mdi mdi-magnify"></i></button>
                      <div class="btn-group">
                        <button id="btnGroupDrop1" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                          导出 <span class="caret"></span>
                        </button>
                        <ul class="dropdown-menu">
                          <li><a href="#!"><i class="mdi mdi-zip-box"></i> Zip</a></li>
                          <li><a href="#!"><i class="mdi mdi-file-pdf"></i> PDF</a></li>
                          <li><a href="#!"><i class="mdi mdi-file-excel"></i> Excel</a></li>
                        </ul>
                      </div>
                    </div>
                  </div>
                  <div class="col-lg-4">
                    <h5>大小尺寸</h5>
                    <div class="btn-group btn-group-xs">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                    <br><br>
                    <div class="btn-group btn-group-sm">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                    <br><br>
                    <div class="btn-group">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                    <br><br>
                    <div class="btn-group btn-group-lg">
                      <button class="btn btn-default">左</button>
                      <button class="btn btn-default">中</button>
                      <button class="btn btn-default">右</button>
                    </div>
                  </div>
                  <div class="col-lg-12">
                    <hr>
                    <h5>工具栏</h5>
                    <div class="btn-toolbar">
                      <div class="btn-group">
                        <button class="btn btn-default"><i class="mdi mdi-format-align-left"></i></button>
                        <button class="btn btn-default"><i class="mdi mdi-format-align-center"></i></button>
                        <button class="btn btn-default"><i class="mdi mdi-format-align-right"></i></button>
                        <button class="btn btn-default"><i class="mdi mdi-format-align-justify"></i></button>
                      </div>
                      <div class="btn-group">
                        <button class="btn btn-default"><i class="mdi mdi-format-bold"></i></button>
                        <button class="btn btn-default"><i class="mdi mdi-format-italic"></i></button>
                        <button class="btn btn-default"><i class="mdi mdi-format-underline"></i></button>
                      </div>
                      <div class="btn-group">
                        <button class="btn btn-default"><i class="mdi mdi-floppy"></i></button>
                      </div>
                    </div>
                  </div>
                </div>
                
              </div>
            </div>
          </div>
          
          <div class="col-lg-12">
            <div class="card">
              <div class="card-header"><h4>下拉菜单按钮</h4></div>
              <div class="card-body">
                
                <div class="row">
                  <!--单按钮下拉菜单-->
                  <div class="col-lg-6">
                    <h5>单按钮下拉菜单</h5>
                    <div class="btn-group">
                      <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        周杰伦 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">夜的第七章</a></li>
                        <li><a href="#!">半兽人</a></li>
                        <li><a href="#!">上海一九四三</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">告白气球</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        陈奕迅 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">浮夸</a></li>
                        <li><a href="#!">爱情转移</a></li>
                        <li><a href="#!">六月飞雪</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">十年</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        河图 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">窗前明月光</a></li>
                        <li><a href="#!">不见有情</a></li>
                        <li><a href="#!">春日迟</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">自为风月马前卒</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        陈楚生 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">思恋一个荒废的名字</a></li>
                        <li><a href="#!">有没有人告诉你</a></li>
                        <li><a href="#!">经过</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">风起时想你</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-warning dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        光良 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">第一次</a></li>
                        <li><a href="#!">童话</a></li>
                        <li><a href="#!">天堂</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">右手边</a></li>
                      </ul>
                    </div>
                  </div>
                  
                  <!--拆分按钮下拉菜单-->
                  <div class="col-lg-6">
                    <h5>拆分按钮下拉菜单</h5>
                    <div class="btn-group">
                      <button type="button" class="btn btn-primary">周杰伦</button>
                      <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">夜的第七章</a></li>
                        <li><a href="#!">半兽人</a></li>
                        <li><a href="#!">上海一九四三</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">告白气球</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-success">陈奕迅</button>
                      <button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">浮夸</a></li>
                        <li><a href="#!">爱情转移</a></li>
                        <li><a href="#!">六月飞雪</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">十年</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-info">河图</button>
                      <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">窗前明月光</a></li>
                        <li><a href="#!">不见有情</a></li>
                        <li><a href="#!">春日迟</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">自为风月马前卒</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-secondary">陈奕迅</button>
                      <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">思恋一个荒废的名字</a></li>
                        <li><a href="#!">有没有人告诉你</a></li>
                        <li><a href="#!">经过</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">风起时想你</a></li>
                      </ul>
                    </div>
                    <div class="btn-group">
                      <button type="button" class="btn btn-warning">光良</button>
                      <button type="button" class="btn btn-warning dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">第一次</a></li>
                        <li><a href="#!">童话</a></li>
                        <li><a href="#!">天堂</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">右手边</a></li>
                      </ul>
                    </div>
                  </div>
                  
                  <!--向上弹出菜单按钮-->
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                    <hr>
                    <h5>向上弹出菜单按钮</h5>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-primary">周杰伦</button>
                      <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">夜的第七章</a></li>
                        <li><a href="#!">半兽人</a></li>
                        <li><a href="#!">上海一九四三</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">告白气球</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-success">陈奕迅</button>
                      <button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">浮夸</a></li>
                        <li><a href="#!">爱情转移</a></li>
                        <li><a href="#!">六月飞雪</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">十年</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-info">河图</button>
                      <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">窗前明月光</a></li>
                        <li><a href="#!">不见有情</a></li>
                        <li><a href="#!">春日迟</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">自为风月马前卒</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-secondary">陈奕迅</button>
                      <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">思恋一个荒废的名字</a></li>
                        <li><a href="#!">有没有人告诉你</a></li>
                        <li><a href="#!">经过</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">风起时想你</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-warning">光良</button>
                      <button type="button" class="btn btn-warning dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        <span class="caret"></span>
                        <span class="sr-only">切换下拉列表</span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">第一次</a></li>
                        <li><a href="#!">童话</a></li>
                        <li><a href="#!">天堂</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">右手边</a></li>
                      </ul>
                    </div>
                  </div>
                  
                  <!--大小尺寸-->
                  <div class="col-lg-6">
                    <hr>
                    <h5>大小尺寸</h5>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-primary btn-lg dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        周杰伦 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">夜的第七章</a></li>
                        <li><a href="#!">半兽人</a></li>
                        <li><a href="#!">上海一九四三</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">告白气球</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        陈奕迅 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">浮夸</a></li>
                        <li><a href="#!">爱情转移</a></li>
                        <li><a href="#!">六月飞雪</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">十年</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-info btn-sm dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        河图 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">窗前明月光</a></li>
                        <li><a href="#!">不见有情</a></li>
                        <li><a href="#!">春日迟</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">自为风月马前卒</a></li>
                      </ul>
                    </div>
                    <div class="btn-group dropup">
                      <button type="button" class="btn btn-secondary btn-xs dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        陈楚生 <span class="caret"></span>
                      </button>
                      <ul class="dropdown-menu">
                        <li><a href="#!">思恋一个荒废的名字</a></li>
                        <li><a href="#!">有没有人告诉你</a></li>
                        <li><a href="#!">经过</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#!">风起时想你</a></li>
                      </ul>
                    </div>
                  </div>
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