实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>购物车</title>
<style>
/* 系统边框清零 */
*{margin: 0;
padding: 0;}
/* 最外层div框 */
.shop{
width: 400px;
height: 450px;
margin: 30px auto;
border: 1px solid red;
}
/* top区样式 */
.top{
width: 100%;
height: 45px;
background:#C40000;
/* 字体居中，并调整颜色 */
line-height: 45px;
text-align: center;
color: white;
font-size: 1.1rem;
}
/* 调整高度，并浮动 */
.content p{
height: 20px;
line-height: 20px;
margin: 18px 10px;
}
/* b标签样式 */
b{
float: left;
width: 60px;
margin-left: 15px;
color: #838383;
font-size: 13px;
text-align: center;
}
/* span标签样式 */
span{
display: inline-block;
width: 80px;
height: 20px;
border: 1px solid #ccc;
font-size: 12px;
color: #838383;
text-align: center;
margin-left: 10px;
}
input{
margin-left: 10px;
}
.bu1{
width:120px;
height: 40px;
background-color: #C40000;
border-style: none;
color: white
}
.select{
border:2px solid #C40000;
width: 88px;
height: 24px;
line-height: 24px;
color: red;
}
button:hover {cursor: pointer;}
span:hover {cursor: pointer;}</style>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<link rel="stylesheet" href="css/shop-2.css">
</head>
<body>
<!-- 购物车整体 -->
<div class="shop">
<!-- 购物车头部 -->
<div class="top">
<p>请选择信息后加入购物车</p>
</div>
<!-- 购物车内容 -->
<div class="content">
<!-- 版本 -->
<p class="item" name='varsion'>
<b class="notice">版本</b>
<span>A2001</span>
<span>A2002</span>
<span>A2003</span>
</p>
<!-- 机身颜色 -->
<p class="item" name='color'>
<b class="notice">机身颜色</b>
<span>白色</span>
<span>黑色</span>
<span>金色</span>
</p>
<!-- 套餐类型 -->
<p class="item" name='type'>
<b class="notice">套餐类型</b>
<span>标配版</span>
<span>套餐一</span>
<span>套餐二</span>
</p>
<!-- 运行内存 -->
<p class="item" name='ram'>
<b class="notice">运行内存</b>
<span>2GB</span>
<span>3GB</span>
<span>4GB</span>
</p>
<!-- 机身内存 -->
<p class="item" name='rom'>
<b class="notice">机身内存</b>
<span>16GB</span>
<span>32GB</span>
<span>64GB</span>
</p>
<!-- 产地 -->
<p class="item" name='location'>
<b class="notice">产地</b>
<span>中国大陆</span>
<span>港澳台</span>
</p>
<!-- 价格 -->
<p class="item" name='price'>
<b class="notice">价格</b>
<span>999元抢购</span>
</p>
<!-- 数量-->
<p class="item" name='num'>
<b class="notice">数量</b>
<!-- 添加input框 -->
<input type="number" value="1" style="width:40px;height:26px;">
</p>
<p style="margin-top:30px;margin-left:95px;">
<button class="bu1" id='sub'>加入购物车</button>
</p>
</div>
</div>
<!-- jQuery函数 -->
<script>
$(function(){
$('span').click(function(){
// 检测是否已经添加select样式
if($(this).hasClass('select')){
// 返回值为真，则删除select样式
$(this).removeClass('select');
}else{
// 为假时则添加select样式，并检测同层级span标签是否被选中，如果被选中则删除其样式
$(this).addClass('select').siblings('span').removeClass('select')
}
})
})
</script>
</body>
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