<div class="catbox">

    <table id="cartTable">

        <thead>

        <tr>

            <th><label>

                <input class="check-all check" type="checkbox">&nbsp;&nbsp;全选</label></th>

            <th>商品</th>

            <th>单价</th>

            <th>数量</th>

            <th>小计</th>

            <th>操作</th>

        </tr>

        </thead>

        <tbody>

        <tr class="on">

            <td class="checkbox"><input class="check-one check" type="checkbox"></td>

            <td class="goods"><img src="" alt=""><span>Casio/卡西欧 EX-TR350</span></td>

            <td class="price">5999.88</td>

            <td class="count"><span class="reduce"></span>

                <input class="count-input" type="text" value="">

                <span class="add">+</span></td>

            <td class="subtotal">5999.88</td>

            <td class="operation"><span class="delete">删除</span></td>

        </tr>

        <tr class="on">

            <td class="checkbox"><input class="check-one check" type="checkbox"></td>

            <td class="goods"><img src="" alt=""><span>Canon/佳能 PowerShot SX50 HS</span></td>

            <td class="price">3888.50</td>

            <td class="count"><span class="reduce"></span>

                <input class="count-input" type="text" value="">

                <span class="add">+</span></td>

            <td class="subtotal">3888.50</td>

            <td class="operation"><span class="delete">删除</span></td>

        </tr>

        <tr class="on">

            <td class="checkbox"><input class="check-one check" type="checkbox"></td>

            <td class="goods"><img src="" alt=""><span>Sony/索尼 DSC-WX300</span></td>

            <td class="price">1428.50</td>

            <td class="count"><span class="reduce"></span>

                <input class="count-input" type="text" value="">

                <span class="add">+</span></td>

            <td class="subtotal">1428.50</td>

            <td class="operation"><span class="delete">删除</span></td>

        </tr>

        <tr class="on">

            <td class="checkbox"><input class="check-one check" type="checkbox"></td>

            <td class="goods"><img src="" alt=""><span>Fujifilm/富士 instax mini </span></td>

            <td class="price">640.60</td>

            <td class="count"><span class="reduce"></span>

                <input class="count-input" type="text" value="">

                <span class="add">+</span></td>

            <td class="subtotal">640.60</td>

            <td class="operation"><span class="delete">删除</span></td>

        </tr>

        </tbody>

    </table>

    <div class="foot" id="foot">

        <label class="fl select-all"><input type="checkbox" class="check-all check">&nbsp;&nbsp;全选</label>

        <a class="fl delete" id="deleteAll" href="javascript:;">删除</a>

        <div class="fr closing" onclick="getTotal();">结 算</div>

        <input type="hidden" id="cartTotalPrice">

        <div class="fr total">合计：￥<span id="priceTotal">11957.48</span></div>

        <div class="fr selected" id="selected">已选商品<span id="selectedTotal"></span>件<span class="arrow up">︽</span><span class="arrow down">︾</span></div>

        <div class="selected-view">

            <div id="selectedViewList" class="clearfix"><div><img src="http://www.jq22.com/demo/jquery-guc20151105/images/1.jpg"><span class="del" index="">取消选择</span></div><div><img src="http://www.jq22.com/demo/jquery-guc20151105/images/2.jpg"><span class="del" index="">取消选择</span></div><div><img src="http://www.jq22.com/demo/jquery-guc20151105/images/3.jpg"><span class="del" index="">取消选择</span></div><div><img src="http://www.jq22.com/demo/jquery-guc20151105/images/4.jpg"><span class="del" index="">取消选择</span></div></div>

            <span class="arrow">◆<span>◆</span></span> </div>

    </div>

</div>

<style type="text/css">

        *{margin:;padding:;list-style-type:none;}

        a{color:#;text-decoration:none;}

        table{border-collapse:collapse;border-spacing:;border:;}

        body{color:#;font:12px/% Arial, Helvetica, sans-serif, "新宋体";}

        clearfix:after{content:".";display:block;height:;clear:both;visibility:hidden}

        .clearfix{display:inline-table}

        *html .clearfix{height:%}

        .clearfix{display:block}

        *+html .clearfix{min-height:%}

        .fl{float:left;}

        .fr{float:right;}

        .catbox{width:940px;margin:100px auto;}

        .catbox table{text-align:center;width:%;}

        .catbox table th,.catbox table td{border:1px solid #CADEFF;}

        .catbox table th{background:#e2f2ff;border-top:3px solid #a7cbff;height:30px;}

        .catbox table td{padding:10px;color:#;}

        .catbox table tbody tr:hover{background:RGB(,,);}

        .checkbox{width:60px;}

        .check-all{ vertical-align:middle;}

        .goods{width:300px;}

        .goods span{width:180px;margin-top:20px;text-align:left;float:left;}

        .goods img{width:100px;height:80px;margin-right:10px;float:left;}

        .price{width:130px;}

        .count{width:90px;}

        .count .add, .count input, .count .reduce{float:left;margin-right:-1px;position:relative;z-index:;}

        .count .add, .count .reduce{height:23px;width:17px;border:1px solid #e5e5e5;background:#f0f0f0;text-align:center;line-height:23px;color:#;}

        .count .add:hover, .count .reduce:hover{color:#f50;z-index:;border-color:#f60;cursor:pointer;}

        .count input{width:50px;height:25px;line-height:15px;border:1px solid #aaa;color:#;text-align:center;padding:4px ;background-color:#fff;z-index:;}

        .subtotal{width:150px;color:red;font-weight:bold;}

        .operation span:hover,a:hover{cursor:pointer;color:red;text-decoration:underline;}

        .foot{margin-top:0px;color:#;height:48px;border:1px solid #c8c8c8;border-top:;background-color:#eaeaea;background-image:linear-gradient(RGB(,,),RGB(,,));position:relative;z-index:;}

        .foot div, .foot a{line-height:48px;height:48px;}

        .foot .select-all{width:80px;height:48px;line-height:48px;color:#;text-align:center;}

        .foot .delete{padding-left:10px;}

        .foot .closing{border-left:1px solid #c8c8c8;width:103px;text-align:center;color:#;font-weight:bold;cursor:pointer;background-image:linear-gradient(RGB(,,),RGB(,,));}

        .foot .closing:hover{background-image:linear-gradient(RGB(,,),RGB(,,));color:#;}

        .foot .total{margin: 20px;cursor:pointer;}

        .foot  #priceTotal, .foot #selectedTotal{color:red;font-family:"Microsoft Yahei";font-weight:bold;}

        .foot .selected{cursor:pointer;}

        .foot .selected .arrow{position:relative;top:-3px;margin-left:3px;}

        .foot .selected .down{position:relative;top:3px;display:none;}

        .show .selected .down{display:inline;}

        .show .selected .up{display:none;}

        .foot .selected:hover .arrow{color:red;}

        .foot .selected-view{width:938px;border:1px solid #c8c8c8;position:absolute;height:auto;background:#ffffff;z-index:;bottom:48px;left:-1px;display:none;}

        .show .selected-view{display:block;}

        .foot .selected-view div{height:auto;}

        .foot .selected-view .arrow{font-size:16px;line-height:%;color:#c8c8c8;position:absolute;right:330px;bottom:-9px;}

        .foot .selected-view .arrow span{color:#ffffff;position:absolute;left:0px;bottom:1px;}

        #selectedViewList{padding:10px 20px 10px 20px;}

        #selectedViewList div{display:inline-block;position:relative;width:100px;height:80px;border:1px solid #ccc;margin:10px;float:left;}

        #selectedViewList div img{width:100px;height:80px;margin-right:10px;float:left;}

        #selectedViewList div span{display:none;color:#ffffff;font-size:12px;position:absolute;top:0px;right:0px;width:60px;height:18px;line-height:18px;text-align:center;background:#;cursor:pointer;}

        #selectedViewList div:hover span{display:block;}

    </style>

<script>

    /**

     * Created by an www.jq22.com

     */

    window.onload = function () {

        if (!document.getElementsByClassName) {

            document.getElementsByClassName = function (cls) {

                var ret = [];

                var els = document.getElementsByTagName('*');

                for (var i = , len = els.length; i < len; i++) {

                    if (els[i].className.indexOf(cls + ' ') >= || els[i].className.indexOf(' ' + cls + ' ') >= || els[i].className.indexOf(' ' + cls) >=) {

                        ret.push(els[i]);

                    }

                }

                return ret;

            }

        }

        var table = document.getElementById('cartTable'); // 购物车表格

        var selectInputs = document.getElementsByClassName('check'); // 所有勾选框

        var checkAllInputs = document.getElementsByClassName('check-all') // 全选框

        var tr = table.children[].rows; //行

        var selectedTotal = document.getElementById('selectedTotal'); //已选商品数目容器

        var priceTotal = document.getElementById('priceTotal'); //总计

        var deleteAll = document.getElementById('deleteAll'); // 删除全部按钮

        var selectedViewList = document.getElementById('selectedViewList'); //浮层已选商品列表容器

        var selected = document.getElementById('selected'); //已选商品

        var foot = document.getElementById('foot');

        // 更新总数和总价格，已选浮层

        function getTotal() {

            var seleted = ;

            var price = ;

            var HTMLstr = '';

            for (var i = , len = tr.length; i < len; i++) {

                if (tr[i].getElementsByTagName('input')[].checked) {

                    tr[i].className = 'on';

                    seleted += parseInt(tr[i].getElementsByTagName('input')[].value);

                    price += parseFloat(tr[i].cells[].innerHTML);

                    HTMLstr += '<div><img src="' + tr[i].getElementsByTagName('img')[].src + '"><span class="del" index="' + i + '">取消选择</span></div>'

                }

                else {

                    tr[i].className = '';

                }

            }

            selectedTotal.innerHTML = seleted;

            priceTotal.innerHTML = price.toFixed();

            selectedViewList.innerHTML = HTMLstr;

            if (seleted == ) {

                foot.className = 'foot';

            }

        }

        // 计算单行价格

        function getSubtotal(tr) {

            var cells = tr.cells;

            var price = cells[]; //单价

            var subtotal = cells[]; //小计td

            var countInput = tr.getElementsByTagName('input')[]; //数目input

            var span = tr.getElementsByTagName('span')[]; //-号

            //写入HTML

            subtotal.innerHTML = (parseInt(countInput.value) * parseFloat(price.innerHTML)).toFixed();

            //如果数目只有一个，把-号去掉

            if (countInput.value == ) {

                span.innerHTML = '';

            }else{

                span.innerHTML = '-';

            }

        }

        // 点击选择框

        for(var i = ; i < selectInputs.length; i++ ){

            selectInputs[i].onclick = function () {

                if (this.className.indexOf('check-all') >= ) { //如果是全选，则吧所有的选择框选中

                    for (var j = ; j < selectInputs.length; j++) {

                        selectInputs[j].checked = this.checked;

                    }

                }

                if (!this.checked) { //只要有一个未勾选，则取消全选框的选中状态

                    for (var i = ; i < checkAllInputs.length; i++) {

                        checkAllInputs[i].checked = false;

                    }

                }

                getTotal();//选完更新总计

            }

        }

        // 显示已选商品弹层

        selected.onclick = function () {

            if (selectedTotal.innerHTML != ) {

                foot.className = (foot.className == 'foot' ? 'foot show' : 'foot');

            }

        }

        //已选商品弹层中的取消选择按钮

        selectedViewList.onclick = function (e) {

            var e = e || window.event;

            var el = e.srcElement;

            if (el.className=='del') {

                var input =  tr[el.getAttribute('index')].getElementsByTagName('input')[]

                input.checked = false;

                input.onclick();

            }

        }

        //为每行元素添加事件

        for (var i = ; i < tr.length; i++) {

            //将点击事件绑定到tr元素

            tr[i].onclick = function (e) {

                var e = e || window.event;

                var el = e.target || e.srcElement; //通过事件对象的target属性获取触发元素

                var cls = el.className; //触发元素的class

                var countInout = this.getElementsByTagName('input')[]; // 数目input

                var value = parseInt(countInout.value); //数目

                //通过判断触发元素的class确定用户点击了哪个元素

                switch (cls) {

                    case 'add': //点击了加号

                        countInout.value = value + ;

                        getSubtotal(this);

                        break;

                    case 'reduce': //点击了减号

                        if (value > ) {

                            countInout.value = value - ;

                            getSubtotal(this);

                        }

                        break;

                    case 'delete': //点击了删除

                        var conf = confirm('确定删除此商品吗？');

                        if (conf) {

                            this.parentNode.removeChild(this);

                        }

                        break;

                }

                getTotal();

            }

            // 给数目输入框绑定keyup事件

            tr[i].getElementsByTagName('input')[].onkeyup = function () {

                var val = parseInt(this.value);

                if (isNaN(val) || val <= ) {

                    val = ;

                }

                if (this.value != val) {

                    this.value = val;

                }

                getSubtotal(this.parentNode.parentNode); //更新小计

                getTotal(); //更新总数

            }

        }

        // 点击全部删除

        deleteAll.onclick = function () {

            if (selectedTotal.innerHTML != ) {

                var con = confirm('确定删除所选商品吗？'); //弹出确认框

                if (con) {

                    for (var i = ; i < tr.length; i++) {

                        // 如果被选中，就删除相应的行

                        if (tr[i].getElementsByTagName('input')[].checked) {

                            tr[i].parentNode.removeChild(tr[i]); // 删除相应节点

                            i--; //回退下标位置

                        }

                    }

                }

            } else {

                alert('请选择商品！');

            }

            getTotal(); //更新总数

        }

        console.log("\u767e\u5ea6\u641c\u7d22\u3010\u7d20\u6750\u5bb6\u56ed\u3011\u4e0b\u8f7d\u66f4\u591aJS\u7279\u6548\u4ee3\u7801");

        // 默认全选

        checkAllInputs[].checked = true;

        checkAllInputs[].onclick();

    }

</script>