PC端效果 width100%
移动端
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ --> <title>Bootstrap 101 Template</title> <!-- Bootstrap --> <link href="https://cdn.jsdelivr.net/npm/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.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script> <![endif]--> </head> <body> <div id="carousel-example-generic" class="carousel slide" data-ride="carousel" data-interval=‘4000‘> <!-- 指示器 --> <ol class="carousel-indicators" id="carousel-indicators-demo"> <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li> <li data-target="#carousel-example-generic" data-slide-to="1"></li> <li data-target="#carousel-example-generic" data-slide-to="2"></li> </ol> <!-- 轮播图片及说明文字 --> <div class="carousel-inner" role="listbox"> <div class="item active"> <a href="#" class="pc_imgBox hidden-xs" style="background-image: url(‘https://static.runoob.com/images/mix/img_fjords_wide.jpg‘)"></a> <a href="#" class="m_imgBox hidden-lg hidden-md hidden-sm"> <img src="https://static.runoob.com/images/mix/img_fjords_wide.jpg"> </a> </div> <div class="item"> <a href="#" class="pc_imgBox hidden-xs" style="background-image: url(‘https://static.runoob.com/images/mix/img_fjords_wide.jpg‘)"></a> <a href="#" class="m_imgBox hidden-lg hidden-md hidden-sm"> <img src="https://static.runoob.com/images/mix/img_nature_wide.jpg"> </a> </div> <div class="item"> <a href="#" class="pc_imgBox hidden-xs" style="background-image: url(‘https://static.runoob.com/images/mix/img_fjords_wide.jpg‘)"></a> <a href="#" class="m_imgBox hidden-lg hidden-md hidden-sm"> <img src="https://static.runoob.com/images/mix/img_mountains_wide.jpg"> </a> </div> </div> <!-- 控制按钮：左右切换 --> <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left"></span> </a> <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right"></span> </a> </div> <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) --> <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script> <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 --> <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script> <script src="aaa.js"></script> <link rel="stylesheet" type="text/css" href="aaa.css"> </body> </html>
// css代码如下
/*
* Style tweaks
* --------------------------------------------------
*/
html {
font-size: 10px;
-webkit-tap-highlight-color: rgba(0,0,0,0);
}
body {
font-family: @font-family-base;
font-size: @font-size-base;
line-height: @line-height-base;
color: @text-color;
background-color: @body-bg;
}
.pc_imgBox{
display: block;
height: 400px;
width: 100%;
background-size: cover;
background-position: center;
background-repeat: no-repeat;
}
.m_imgBox{
display: block;
width: 100%;
}
li {
display: list-item;
text-align: -webkit-match-parent;
}
.carousel-indicators {
position: absolute;
right: 0;
bottom: 0;
left: 0;
width: 70%;
z-index: 15;
display: -ms-flexbox;
display: flex;
-ms-flex-pack: center ！important;
justify-content: center;
padding-left: 0;
margin-right: 15%;
margin-left: 15%;
list-style: none;
}
#carousel-indicators-demo .active{
opacity: 1;
}
#carousel-indicators-demo li {
box-sizing: content-box;
-ms-flex: 0 1 auto;
flex: 0 1 auto;
width: 30px;
height: 3px;
margin-right: 3px;
margin-left: 3px;
text-indent: -999px;
cursor: pointer;
background-color: #fff;
background-clip: padding-box;
border-top: 10px solid transparent;
border-bottom: 10px solid transparent;
border-left: 0.1px solid transparent;
border-right: 0.1px solid transparent;
opacity: .5;
transition: opacity .6s ease;
}
li {
display: list-item;
text-align: -webkit-match-parent;
}