原生JS实现购物车功能
html
<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 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"> 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>
css
<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>
js
<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>
原生JS实现购物车功能的更多相关文章
- 原生JS实现购物车结算功能代码+zepto版
html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3 ...
- vue.js实现购物车功能
购物车是电商必备的功能,可以让用户一次性购买多个商品,常见的购物车实现方式有如下几种: 1. 用户更新购物车里的商品后,页面自动刷新. 2. 使用局部刷新功能,服务器端返回整个购物车的页面html 3 ...
- 用vue.js实现购物车功能
购物车是电商必备的功能,可以让用户一次性购买多个商品,常见的购物车实现方式有如下几种: 1. 用户更新购物车里的商品后,页面自动刷新. 2. 使用局部刷新功能,服务器端返回整个购物车的页面html 3 ...
- 原生js实现分页功能
原生就是实现分页功能 代码如下: var pagination = function(option,fun){ this.parentId = option.id; //容器 this.pageSiz ...
- 原生JS实现购物车全选多选按钮功能
对于JS初学者来说,一个完整的购物车实现还是挺难的,逻辑功能挺多.写出完整功能,能提升不少JS基础,下面实现购物车全选多选按钮功能: 首先HTML及CSS部分: <style> table ...
- 使用原生js实现选项卡功能实例教程
选项卡是前端常见的基本功能,它是用多个标签页来区分不同内容,通过选择标签快速切换内容.学习本教程之前,读者需要具备html和css技能,同时需要有简单的javascript基础. 先来完成html部分 ...
- 原生js拖拽功能制作滑动条实例教程
拖拽属于前端常见的功能,很多效果都会用到js的拖拽功能.滑动条的核心功能也就是使用js拖拽滑块来修改位置.一个完整的滑动条包括 滑动条.滑动痕迹.滑块.文本 等元素,先把html代码写出来,如下所示: ...
- 原生js 实现购物车价格和总价 统计
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8&quo ...
- 原生 js 录屏功能
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8& ...
随机推荐
- VS2013 添加已有文件夹
1.将现有项目或文件夹拷贝到指定目录下 2.解决方案右上有个显示所有文件的按钮 然后选中所有要添加的文件,右击
- Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest ...
- Codeforces Round #342 (Div. 2)-A. Guest From the Past
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard ou ...
- Cocosd-x的坐标系
OpenGL 坐标系 : 原点在屏幕左下角,x 轴向右,y 轴向上. UI坐标体系 : 原点在屏幕左上角,x 轴向右,y 轴向下. 屏幕坐标系: UI 世界坐标系: 也叫绝 ...
- SuiteScript > RecordType internalID采集步骤与结果
当你碰到一个有很多sub Fields的id需要map到js文件的时候,是不是想到一个个复制到js文件中?建立成Object,library起来,方便不同的module中共享. 一个复制,很烦,很浪费 ...
- 模板——Tarjan
#include <cstdio> #include <cstring> #include <iostream> #include <vector> u ...
- shell技巧
如何实现Shell脚本以DEAMON的方式运行,即实现Shell版的Fork if [ "$1" != 'background' ] ; then scriptdir=$(cd & ...
- ImageLoader图片加载
http://blog.csdn.net/liu1164316159/article/details/38728259 转载请注明http://write.blog.csdn.net/po ...
- 微信小程序-发起请求
wx.request(object) wx.request发起的是https请求.一个微信小程序,同时只能有5个网络请求连接. object参数说明: 示例代码: wx.request({ url: ...
- MySQL基本数据类型
MySQL数据类型包括:整型.浮点型.日期类型.字符型,这里用表格的方式详细说明每个数据类型,这些只要记住常用的即可,需要再查阅. 整型 数据类型 存储范围 字节 TINYINT 有符号值:-128 ...