原生js实现简易购物车效果
2018-01-21 14:36
881 查看
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript" src="js/tool.js"></script>
<style type="text/css">
*{margin: 0;padding: 0;}
ul{list-style: none;}
a{text-decoration: none;}
.box{
width: 1200px;
border: 1px solid;
margin: 50px auto 0;
}
.box ul{
overflow: hidden;
}
.box ul li{
width: 260px;
height: 100px;
font-size: 12px;
float: left;
margin-right: 53px;
margin-bottom: 15px;
}
.box .product a img{
float: left;
width: 98px;
height: 98px;
border: 1px solid #ccc;
margin-right: 10px;
}
.box .product .txt{
float: left;
width: 150px;
height: 36px;
line-height: 18px;
overflow: hidden;
}
.box .product .price{
float: left;
width: 150px;
color: #d91f20;
font-size: 14px;
margin-top: 5px;
overflow: hidden;
}
.box .product .add_to_cart{
float: left;
width: 105px;
height: 30px;
border: 1px solid #ccc;
margin-top: 8px;
text-align: center;
line-height: 30px;
}
.header{
width: 1200px;
/*height: 100px;*/
border: 1px solid #ccc;
margin: 0 auto;
}
.header .title{
display: flex;
justify-content: space-around;
height: 30px;
line-height: 30px;
border: 1px solid #ccc;
background: #f3f3f3;
}
.header .cart_list_box{
max-height: 306px;
overflow: auto;
}
.header .cart_list{
border: 1px solid #ccc;
display: flex;
justify-content: space-between;
border-bottom: none;
}
.header .cart_list li{
float: left;
height: 50px;
width: 200px;
font-size: 14px;
line-height: 50px;
text-align: center;
overflow: hidden;
background: #fff4e8;
}
.header .cart_list li .img{
width: 50px;
height: 50px;
}
.product_total{
width: 1200px;
margin: 0 auto;
overflow: hidden;
outline: 1px solid #ccc;
}
.product_total .fr{
float: right;
width: 280px;
height: 50px;
}
.product_total .fr p{
float: left;
line-height: 50px;
color: #ccc;
font-size: 12px;
}
.product_total .fr .calc{
float: right;
width: 110px;
height: 50px;
background: #e64346;
color: #fff;
font-weight: bold;
text-align: center;
line-height: 50px;
font-size: 18px;
}
.product_total .fr p #total{
color: orange;
font-size: 22px;
}
.product_total .fr p i{
font-size: 20px;
color: orange;
font-style: normal;
}
.product_total .fl #removeAll{
float: left;
margin-left: 500px;
margin-top: 4px;
width: 110px;
height: 40px;
background: #fff8f8;
border: 1px solid #ffdfdf;
color: #999;
text-align: center;
line-height: 40px;
font-size: 16px;
}
</style>
</head>
<body>
<div class="header">
<ul class="title">
<li>编号</li>
<li>图片</li>
<li>标题</li>
<li>数量</li>
<li>单价</li>
<li>操作</li>
</ul>
<div class="cart_list_box">
</div>
</div>
<div class="product_total">
<div class="fl">
<a href="javascript:void(0)" id="removeAll">清空购物车</a>
</div>
<div class="fr">
<p>合计：<i>￥</i><span id="total">00.00</span></p>
<a href="javascript:void(0)" class="calc">去结算</a>
</div>
</div>
<div class="box">
<h3>购买了该商品的用户还购买了</h3>
<ul class="con">
</ul>
</div>
<ul class="conModel">
<li style="display: none">
<div class="id" style="display:none">1</div>
<a href=""><img class="img" src="images/01.jpg"></a>
<p class="txt">益达（Extra）木糖醇无糖口香糖冰凉薄荷70粒98单瓶装</p>
<span class="price">￥13.90</span>
<a href="javascript:void(0);" class="add_to_cart">加入购物车</a>
</li>
</ul>
<script>
var json = [
{"id":"1","img":"images/01.jpg","txt":"益达（Extra）木糖醇无糖口香糖冰凉薄荷70粒98单瓶装","price":"￥13.90"},
{"id":"2","img":"images/02.jpg","txt":"益达（Extra）尊享护齿56g*3瓶京东定制装（草本精华+冰","price":"￥24.90"},
{"id":"3","img":"images/03.jpg","txt":"绿箭（DOUBLEMINT）无糖薄荷糖冰柠薄荷味35粒23.8g","price":"￥7.50"},
{"id":"4","img":"images/04.jpg","txt":"益达（Extra）木糖醇无糖口香糖香浓蜜瓜40粒56g单瓶装","price":"￥8.80"},
{"id":"5","img":"images/05.jpg","txt":"益达（Extra）无糖口香糖沁凉薄荷12片32g单盒装","price":"￥5.50"},
{"id":"6","img":"images/06.jpg","txt":"益达木糖醇无糖口香糖瓶装56g/瓶 益达口香糖 休闲零食","price":"￥8.80"},
{"id":"7","img":"images/07.jpg","txt":"益达木糖醇无糖口香糖瓶装56g/瓶*9口味组合休闲零食","price":"￥75.60"},
{"id":"8","img":"images/08.jpg","txt":"益达 无糖口香糖70粒摇一摇四口味合装 赠益达西瓜味24","price":"￥52.90"}
];
var parent = $(".con",$(".box")[0])[0];
for(var i = 0,len = json.length; i < len; i++){
var clone = $("li",$(".conModel")[0])[0].cloneNode(true);
if((i+1) % 4 === 0){
clone.style.marginRight = "0";
}
clone.style.display = "block";
clone.className = "product";
clone.children[0].innerHTML = json[i].id;
clone.children[1].children[0].src = json[i].img;
clone.children[2].innerHTML = json[i].txt;
clone.children[3].innerHTML = json[i].price;
parent.appendChild(clone);
}
// 动态添加购物车列表
var add_to_cart = $(".add_to_cart",$(".con")[0]);
for(var j = 0,cartLen = add_to_cart.length; j < cartLen; j++){
add_to_cart[j].onclick = function(){
var cart_list = $(".cart_list",$(".header")[0]);
for(var k =0, cart_list_len = cart_list.length; k < cart_list_len; k++){
if(this.parentNode.children[0].innerHTML === $("li",$(".cart_list")[k])[0].innerHTML ){
var num = ++cart_list[k].children[3].innerHTML;
var prices2 = Number(cart_list[k].children[4].innerHTML.slice(1));
$("#total").innerText = (Number($("#total").innerText) + prices2).toFixed(2);
return;
}
}
var clone = $(".title",$(".header")[0])[0].cloneNode(true);
clone.className = "cart_list";
clone.children[0].innerHTML = this.parentNode.children[0].innerHTML;
clone.children[1].innerHTML = this.parentNode.children[1].innerHTML;
clone.children[2].innerHTML = this.parentNode.children[2].innerHTML;
clone.children[3].innerHTML = "1";
clone.children[4].innerHTML = this.parentNode.children[3].innerHTML;
clone.children[5].innerHTML = "<a href='javascript:void(0)' class='remove'>删除</a>";
$(".cart_list_box",$(".header")[0])[0].appendChild(clone);
var prices1 = Number(clone.children[4].innerHTML.slice(1));
$("#total").innerText = (Number($("#total").innerText) + prices1).toFixed(2);
// var id = this.parentNode.children[0].innerHTML,
// img = this.parentNode.children[1].innerHTML,
// txt = this.parentNode.children[2].innerHTML,
// price = this.parentNode.children[3].innerHTML;
// $(".header")[0].innerHTML += '<ul class="cart_list">'
// + '<li>'+id+'</li>'
// + '<li>'+img+'</li>'
// + '<li>'+txt+'</li>'
// + '<li>1</li>'
// + '<li>'+price+'</li>'
// + '<li><a class="remove" href="javascript:void(0)">删除</a></li>'
// +'</ul>';
// 删除购物车列表内指定商品
for(var l = 0,remove_len = $(".remove").length; l < remove_len; l++){
$(".remove")[l].onclick = function(){
if(confirm("确认删除该商品？")){
var price = (this.parentNode.parentNode.children[4].innerHTML).slice(1)
var num = this.parentNode.parentNode.children[3].innerHTML;
var removePrices = price * num;
$("#total").innerText = (Number($("#total").innerText) - removePrices).toFixed(2);
this.parentNode.parentNode.parentNode.removeChild(this.parentNode.parentNode);
}
}
}
}
}
// 清空购物车
$("#removeAll").onclick = function(){
for(var i = 0,len = $(".cart_list_box")[0].children.length; i < len; i++){
$(".cart_list_box")[0].removeChild($(".cart_list_box")[0].children[0]);
}
$("#total").innerText = "00.00";
}
</script>
</body>
</html>以上获取元素用了自己封装的选择器工具，在tool.js内
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- 原生Js实现简易烟花爆炸效果的方法
- 总结--原生js实现整屏滚动及其交互效果
- JS原生代码实现鼠标移动图片随之移动效果（另加点击改变图片效果）
- jq与原生js实现收起展开效果
- 原生js实现的星级评分效果
- React.js实现原生js拖拽效果及思考
- js实现图片轮番效果，原生代码
- 原生Js无缝滚动效果的简单实现
- 1、js原生实现移动端手指滑动轮播图效果
- 原生js实现无缝轮播图效果
- 一个简易时钟效果js实现代码
- 利用Angularjs和原生JS分别实现动态效果的输入框
- 原生JS实现淡入淡出效果(fadeIn/fadeOut/fadeTo)
- React.js实现原生js拖拽效果及思考
- 原生JS实现淡入淡出效果(fadeIn/fadeOut/fadeTo)
- 原生js实现旋转木马轮播图效果
- 原生js简单实现jQuery的动画效果
- 用js实现淘宝购物车全选中的效果（checked)
- 原生js实现可拖拽效果
- 用原生js+HTML+CSS实现一个弹幕的效果