jquery实现的仿淘宝规格颜色选择效果源代码如下
jquery仿淘宝规格颜色选择效果
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<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.4.2.min.js"></script>
<style>
dd,dl{zoom:1;overflow:hidden}
dt,li{float:left;list-style:none;margin-left:10px;line-height:50px}
dt a,li a{display:block;text-align:center;border:solid 1px #666;width:50px;height:50px;line-height:50px}
li a.disabled{color:#aaa;border:dotted 1px #aaa;cursor:default}
li a.selected{border:solid 3px red;height:46px;width:46px;line-height:46px}
dd.num input{height:50px}
</style>
<title>jquery仿淘宝规格颜色选择效果</title>
<div>
<dl>
<dt>尺寸:</dt>
<dd>
<ul id="size">
<li><a href="javascript:;" title="S">S</a></li>
<li><a href="javascript:;" title="M">M</a></li>
<li><a href="javascript:;" title="L">L</a></li>
<li><a href="javascript:;" title="XS">XS</a></li>
</ul>
</dd>
</dl>
<dl>
<dt>颜色:</dt>
<dd>
<ul id="color">
<li><a href="javascript:;" title="黑色">黑色</a></li>
<li><a href="javascript:;" title="白色">白色</a></li>
<li><a href="javascript:;" title="红色">红色</a></li>
<li><a href="javascript:;" title="黄色">黄色</a></li>
<li><a href="javascript:;" title="蓝色">蓝色</a></li>
</ul>
</dd>
</dl>
<dl>
<dt>数量:</dt>
<dd class="num">
<ul>
<li><input type="text" />（剩余：<b id="bNum"></b>）</li>
</ul>
</dd>
</dl>
</div>
<script>
$('#size a,#color a').click(function () {
var a = $(this), isSize = a.closest('ul').attr('id') == 'size';
if (a.hasClass('disabled') || a.hasClass('selected')) return false;
$('#size a,#color a').removeClass('disabled');
$(isSize ? '#size a' : '#color a').removeClass('selected'); a.addClass('selected');
var s = ',' + (Rules[a.attr('title')] || []).join() + ','; //获取规则
$(isSize ? '#color a' : '#size a').each(function () {
if (s.indexOf(',' + this.title + ',') != -1) $(this).removeClass('selected').addClass('disabled');
});
$('#bNum').html(kvNum[$('#size a.selected').html() + $('#color a.selected').html()] || '');
});
//建立尺寸和颜色的排除值数组
var Rules = {
M: ['黑色'],
L: ['红色', '蓝色'],
XS: ['黄色'],
黑色: ['XS'],
白色: ['S', 'M'],
红色: ['M']
}
//数量数组，尺寸和颜色并集
var kvNum = {"M白色":10,"M红色":20,"M黄色":30,"L黑色":30,"L黄色":40,"S黑色":50,"S白色":60,"XS黑色":70,"XS白色":80/*..更多...*/};
</script>
