实例
<!DOCTYPE HTML>
<html>
<head>
<title>点击商品选中效果</title>
<meta charset="utf-8"/>
<link rel="icon" type="image/x-icon" href="images/2.png">
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<style type="text/css">
* {margin: 0px auto;padding: 0px;}
.top {width: 402px;height: 35px;
line-height: 35px;text-align:center;
margin-top: 50px;
background: #C40000;color:#fff;
}
.main {width: 400px;height: 400px;border: 1px solid #C40000;}
p {width: 400px;height: 26px;margin-top:10px;}
b {width: 90px;height: 26px;
line-height: 26px;text-align: center;
font-size: 12px;color:#838383;
border: 1px solid #ccc;
float: left;margin-left: 5px;}
span {width: 90px;height: 26px;
line-height: 26px;text-align: center;
font-size: 12px;color:#838383;
border: 1px solid #ccc;
float: left;margin-left: 5px;
display: block;}
span:hover {cursor: pointer;}
button {width: 120px;height: 35px;background: #C40000;color: white;border: 0px;}
button:hover {cursor: pointer;}
.notice{border:0px;}
.select {width: 88px;height: 24px;line-height: 24px;border: 2px solid #ff0000;color: red}
</style>
</head>
<body>
<div class="top">请选择信息后加入购物车</div>
<div class="main">
<p class="item" name="version">
<b class="notice">版本</b>
<span>ONE A2001</span>
<span>ONE A0001</span>
<span>ONE A1001</span>
</p>
<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>
<p class="item" name="type">
<b class="notice">套餐类型</b>
<span>标配</span>
<span>套餐一</span>
<span>套餐二</span>
</p>
<p class="item" name="ram">
<b class="notice">运行内存</b>
<span>2GB</span>
<span>3GB</span>
<span>4GB</span>
</p>
<p class="item" name="rom">
<b class="notice">机身内存</b>
<span>16GB</span>
<span>32GB</span>
<span>64GB</span>
</p>
<p class="item" name="location">
<b class="notice">产地</b>
<span>中国大陆</span>
<span>港澳台</span>
</p>
<p class="item" name="price">
<b class="notice">价格</b>
<span>999元抢购</span>
</p>
<p class="item1" name="num">
<b class="notice">数量</b>
<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>
<script>
$(function(){
$('span').click(function(){
$(this).addClass('select');
$(this).siblings().removeClass('select');//同级的select类全部去掉
})
$('#sub').click(function(){
var obj={};//创建新空对象 存放商品属性值
$('.item').each(function(){
//获取当前p标签下的select选项状态,hasClass表示被选元素是否含有;children(name) 筛选子元素
// var len=$(this).children('span').hasClass('select').length;
// console.log(len);
var len=$(this).children('span.select').length;//span.select不留空格表示span标签含有class=select属性
if(len<=0){
var t=$(this).children('b').html()+'未选中';
alert(t);
return false;
}else{
var key=$(this).attr('name');//获取当前p标签的name的属性值
var value=$(this).children('span.select').html();//获取被选中的商品值
obj[key]=value;//将键值一一对应
}
// 判断数量
var n=$('.item1').children('input').val();
if(parseInt(n)<=0){
alert('填写正确的数量');
return false;
}else{
obj['num']=n;
}
})
console.log(obj);
})
})
</script>
</body>
</html>运行实例 »
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