<style>
*{margin:0;padding:0;list-style-type:none;} a{color:#666;text-decoration:none;} table{border-collapse:collapse;border-spacing:0;border:0;} body{color:#666;font:12px/180% Arial, Helvetica, sans-serif, "新宋体";} clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden} .clearfix{display:inline-table} *html .clearfix{height:1%} .clearfix{display:block} *+html .clearfix{min-height:1%} .fl{float:left;} .fr{float:right;} .catbox{width:940px;margin:100px auto;} .catbox table{text-align:center;width:100%;} .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:#444;} .catbox table tbody tr:hover{background:RGB(238,246,255);} .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:0;} .count .add, .count .reduce{height:23px;width:17px;border:1px solid #e5e5e5;background:#f0f0f0;text-align:center;line-height:23px;color:#444;} .count .add:hover, .count .reduce:hover{color:#f50;z-index:3;border-color:#f60;cursor:pointer;} .count input{width:50px;height:15px;line-height:15px;border:1px solid #aaa;color:#343434;text-align:center;padding:4px 0;background-color:#fff;z-index:2;} .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:#666;height:48px;border:1px solid #c8c8c8;border-top:0;background-color:#eaeaea;background-image:linear-gradient(RGB(241,241,241),RGB(226,226,226));position:relative;z-index:8;} .foot div, .foot a{line-height:48px;height:48px;} .foot .select-all{width:80px;height:48px;line-height:48px;color:#666;text-align:center;} .foot .delete{padding-left:10px;} .foot .closing{border-left:1px solid #c8c8c8;width:103px;text-align:center;color:#666;font-weight:bold;cursor:pointer;background-image:linear-gradient(RGB(241,241,241),RGB(226,226,226));} .foot .closing:hover{background-image:linear-gradient(RGB(226,226,226),RGB(241,241,241));color:#333;} .foot .total{margin:0 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:9;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:100%;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:#000;cursor:pointer;} #selectedViewList div:hover span{display:block;}
</style>
</head> <body> <div class="catbox"> <table id="cartTable"> <thead> <tr> <th><label> <input class="check-all check" type="checkbox"/> 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> <td class="checkbox"><input class="check-one check" type="checkbox"/></td> <td class="goods"><img src="images/1.jpg" 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="1"/> <span class="add">+</span></td> <td class="subtotal">5999.88</td> <td class="operation"><span class="delete">删除</span></td> </tr> <tr> <td class="checkbox"><input class="check-one check" type="checkbox"/></td> <td class="goods"><img src="images/2.jpg" 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="1"/> <span class="add">+</span></td> <td class="subtotal">3888.50</td> <td class="operation"><span class="delete">删除</span></td> </tr> <tr> <td class="checkbox"><input class="check-one check" type="checkbox"/></td> <td class="goods"><img src="images/3.jpg" 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="1"/> <span class="add">+</span></td> <td class="subtotal">1428.50</td> <td class="operation"><span class="delete">删除</span></td> </tr> <tr> <td class="checkbox"><input class="check-one check" type="checkbox"/></td> <td class="goods"><img src="images/4.jpg" alt=""/><span>Fujifilm/富士 instax mini 25</span></td> <td class="price">640.60</td> <td class="count"><span class="reduce"></span> <input class="count-input" type="text" value="1"/> <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"/> 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">0.00</span></div> <div class="fr selected" id="selected">已选商品<span id="selectedTotal">0</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="images/1.jpg"><span>取消选择</span></div> </div> <span class="arrow">◆<span>◆</span></span></div> </div> </div> </body> <script> //获取加法按钮 //加法要做 更新数量 显示减号 获取单价 更新小计 var addList = document.querySelectorAll(".add"); for (var i = 0; i < addList.length; i++) { addList[i].onclick = function () {//绑定点击事件 var countInput = preEle(this); var reduceSpan = preEle(countInput); countInput.value = countInput.value * 1 + 1; //更新数量 reduceSpan.innerHTML = "-";//显示减号 updateSubtotal(this.parentNode, countInput.value * 1); updateFooter(); } } //减号需要做 更新数量 隐藏减号 获取单价 更新小计 var reduceList = document.querySelectorAll(".reduce"); for (var i = 0; i < reduceList.length; i++) { reduceList[i].onclick = function () { var countInput = nextEle(this); if (countInput.value > 1) { //控制减号的显示 和数量的更新 countInput.value -= 1; if (countInput.value == 1) { this.innerHTML = ""; } updateSubtotal(this.parentNode, countInput.value * 1); updateFooter(); } else { this.innerHTML = ""; } } } var chekAll = document.querySelector(".check-all"); var check = document.querySelectorAll(".check-one"); chekAll.onclick = function () { for (var i = 0; i < check.length; i++) { check[i].checked = this.checked; } updateFooter(); } for (var i = 0; i < check.length; i++) { check[i].onclick = function () { updateFooter(); } } //删除 var deleteList = document.querySelectorAll(".delete"); for (var i = 0; i < deleteList.length; i++) { deleteList[i].onclick = function () { this.parentNode.parentNode.parentNode.removeChild(this.parentNode.parentNode); updateFooter(); } } function updateFooter() { //判断每一行是否选中 var checkOneList = document.querySelectorAll(".check-one"); var selectedTotal = document.querySelector("#selectedTotal"); var priceTotal = document.querySelector("#priceTotal"); var allCount = 0; var allPrice = 0 for (var i = 0; i < checkOneList.length; i++) { if (checkOneList[i].checked) { //选中的话获取数量和小计 //如何根据checkbox获取数量 var num = checkOneList[i].parentNode.parentNode.children[3].children[1].value * 1; allCount += num; var total = checkOneList[i].parentNode.parentNode.children[4].innerHTML * 1; allPrice += total; } } selectedTotal.innerHTML = allCount; priceTotal.innerHTML = allPrice.toFixed(2); } /** * 更新小计 */ function updateSubtotal(parentTd, count) { var price = preEle(parentTd).innerHTML * 1; var subtotalSpan = nextEle(parentTd); var total = price * count; subtotalSpan.innerHTML = total.toFixed(2); } /** * 获取下一个同辈元素 * @param obj * @returns {*} */ function nextEle(obj) { if (obj.nextElementSibling) { return obj.nextElementSibling; } else { return obj.nextSibling; } } /** * 获取上一个同辈元素 * @param obj * @returns {*} */ function preEle(obj) { if (obj.previousElementSibling) { return obj.previousElementSibling; } else { return obj.previousSibling; } } </script> </html>