HTML

<div class="dorpdown " id="settleup-2014">
    <div class="cw-icon">
        <i class="ci-left">
        </i>
        <i class="ci-right">
            &gt;
        </i>
        <i id="shopping-amount" class="ci-count">
            2
        </i>
        <a href="http://cart.jd.com/cart/cart.html" target="_blank">
            我的购物车
        </a>
    </div>
    <div class="dorpdown-layer">
        <div class="spacer">
        </div>
        <div id="settleup-content">
            <div class="smt">
                <h4 class="fl">
                    最新加入的商品
                </h4>
            </div>
            <div class="smc">
                <ul id="mcart-sigle">
                    <li>
                        <div class="p-img fl">
                            <a target="_blank" href="http://item.jd.com/1006559999.html">
                                <img width="50" height="50" alt="" src="http://img14.360buyimg.com/n5/jfs/t1192/159/315731728/253428/36a3148d/55164e07Na21247a1.jpg"
                                />
                            </a>
                        </div>
                        <div class="p-name fl">
                            <a target="_blank" title="天堂伞超大雨伞防紫外线太阳伞商务晴雨伞3311E碰 藏青色" href="http://item.jd.com/1006559999.html">
                                天堂伞超大雨伞防紫外线太阳伞商务晴雨伞3311E碰 藏青色
                            </a>
                        </div>
                        <div class="p-detail fr ar">
                            <span class="p-price">
                                <strong>
                                    ￥29.00
                                </strong>
                                &times;1
                            </span>
                            <br />
                            <a href="javascript:void(0)" data-type="RemoveProduct" data-id="1006559999"
                            class="delete">
                                删除
                            </a>
                        </div>
                    </li>
                </ul>
                <ul id="mcart-gift">
                </ul>
                <ul id="mcart-mj">
                    <li class="dt">
                        <div class="fl">
                            <span class="hl-green">
                                满减
                            </span>
                            购满1000元，即可享受满减优惠
                        </div>
                        <div class="fr">
                            <em>
                                小计：￥99.00
                            </em>
                        </div>
                        <div class="clr">
                        </div>
                    </li>
                    <li>
                        <div class="p-img fl">
                            <a target="_blank" href="http://item.jd.com/1337711955.html">
                                <img width="50" height="50" alt="" src="http://img10.360buyimg.com/n5/jfs/t664/53/839779274/506219/2ad457cc/54914559N07817662.jpg"
                                />
                            </a>
                        </div>
                        <div class="p-name fl">
                            <span>
                            </span>
                            <a target="_blank" title="卡农欧式护眼台灯 婚庆创意田园床头卧室装饰灯 抢完涨价" href="http://item.jd.com/1337711955.html">
                                卡农欧式护眼台灯 婚庆创意田园床头卧室装饰灯 抢完涨价
                            </a>
                        </div>
                        <div class="p-detail fr ar">
                            <span class="p-price">
                                <strong>
                                    ￥99.00
                                </strong>
                                &times;1
                            </span>
                            <br />
                            <span class="hl-orange">
                                送京豆：
                                <em>
                                    5
                                </em>
                            </span>
                            <br />
                            <a href="#delete" class="delete">
                                删除
                            </a>
                        </div>
                    </li>
                </ul>
            </div>
            <div class="smb ar">
                <div class="p-total">
                    共
                    <b>
                        2
                    </b>
                    件商品　共计
                    <strong>
                        ￥ 128.00
                    </strong>
                </div>
                <a id="btn-payforgoods" title="去购物车" href="http://cart.jd.com/cart/cart.html?r=1435635737388">
                    去购物车
                </a>
            </div>
        </div>
    </div>
</div>

jQuery

$(function() {
    $('.dorpdown').hover(function() {
        $(this).addClass("hover");
    },
    function() {
        $(this).removeClass("hover");
    })
})