jquery购物车全选，取消全选，计算总金额

这是html代码

<div class="gwcxqbj">
<div class="gwcxd center">
<div class="top2 center">
<div class="sub_top fl">
<input type="checkbox" name='all' id="all" value="quanxuan" class="quanxuan"/>全选
</div>
<div class="sub_top fl">商品名称</div>
<div class="sub_top fl">单价</div>
<div class="sub_top fl">数量</div>
<div class="sub_top fl">小计</div>
<div class="sub_top fr">操作</div>
<div class="clear"></div>
</div>
{foreach $arr as $k=>$v}
<div class="content2 center">
<div class="sub_content fl ">
<input type="checkbox" value="{$v.id}" name="ine" class="quanxuan" />
</div>
<div class="sub_content fl"><img src="{$v.sj.icon}" style="width: 80px;height: 80px;"></div>
<div class="sub_content fl ft20">{$v.name}</div>
<div class="sub_content fl he">{$v.danjia}元</div>
<div class="sub_content fl">
<input type='hidden' value='{$v.id}' name='ooo'>
<input class="shuliang" tid='{$v.id}' id="hao" name='xz' type="number" value="{$v.shuliang}" step="1" min="1" >
</div>
<div class="sub_content fl xxx" id='hao'><strong>{$v.xiaoji}</strong>元</div>
<div class="sub_content fl"><a href="javascript:;" onclick="sc('{$v.id}')">×</a></div>
<div class="clear"></div>
</div>
{/foreach}
<!-- <div class="content2 center">
<div class="sub_content fl ">
<input type="checkbox" value="124" name="ine" class="quanxuan" />
</div>
<div class="sub_content fl"><img src="/image/gwc_xiaomi6.jpg"></div>
<div class="sub_content fl ft20">小米6全网通6GB内存+64GB 亮黑色</div>
<div class="sub_content fl xxx" name='hao'>2499元</div>
<div class="sub_content fl">
<input class="shuliang" tid='124' name='xz' id="ha" type="number" value="1" step="1" min="1" >
</div>
<div class="sub_content fl a" id='a'><strong>2499元</strong></div>
<div class="sub_content fl"><a href="">×</a></div>
<div class="clear"></div>
</div> -->
</div>
<div class="jiesuandan mt20 center">
<div class="tishi fl ml20">
<ul>
<li><a href="/liebiao.html">继续购物</a></li>
<li>|</li>
<li>共<span>2</span>件商品，已选择<span id="hhh"></span>件</li>
<div class="clear"></div>
</ul>
</div>
<div class="jiesuan fr">
<div class="jiesuanjiage fl">合计（不含运费）：<span id="hh"><!-- 2499.00 元--></span></div>
<div class="jsanniu fr"><input class="jsan" type="submit" name="jiesuan" value="去结算"/></div>
<div class="clear"></div>
</div>
<div class="clear"></div>
</div>
<input type="text" class='qaq' value=""/>
</div>

1.全选，取消全选，一个单选没有选中，那便不是全选

2.是所有的单选的name值

3.商品的总价格