layui使用数据表格实现购物车功能
本文实例为大家分享了layui使用数据表格实现购物车功能的具体代码，供大家参考，具体内容如下
html部分
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>layui数据表格实现类购物车功能</title>
<link rel="stylesheet" type="text/css" href="//layui.hcwl520.com.cn/layui/css/layui.css?v=201801090202" rel="external nofollow" />
<script src="https://layui.hcwl520.com.cn/layui/layui.js?v=201801090202"></script>
<link rel="stylesheet" href="css/index.css" rel="external nofollow" >
<!--角标-->
<link rel="shortcut icon" href="https://www.kaisir.cn/icon/favicon.ico" rel="external nofollow" >
<script src="js/index.js"></script>
</head>
<body>
<div id="guide_panel">
<blockquote class="layui-elem-quote">layui数据表格实现类购物车功能</blockquote>
<ul class="layui-timeline">
<li class="layui-timeline-item">
<i class="layui-icon layui-timeline-axis"></i>
<div class="layui-timeline-content layui-text">
<h3 class="layui-timeline-title">使用方法</h3>
<p>
<br>1：单击左边商品列表任一商品，右边购物车数据表格会渲染一条数据，同时计算总数，合计金额。
<br>2：购物车数据表格，数量/单价改变，金额改变，底部合计金额，数量，也会跟随改变
<br>3：购物车数据表格，‘删除'，删除当前所选商品
</p>
</div>
</li>
</ul>
</div>
<div id="row_panel">
<div class="table-panel">
<table id="List1" lay-filter="List1"></table>
<p>商品列表</p>
</div>
<div class="table-panel">
<table id="List2" lay-filter="List2"></table>
<p>购物车</p>
</div>
<div class="bottom-panel">
<span>总数:</span><span style="color: red;margin-right: 15px" id="RechargeCount_TotalQty">---</span>
<span>合计金额:</span><span style="color:red;margin-right: 20px" id="RechargeCount_TotalMoney">---</span>
</div>
</div>
</body>
</html>
css部分
*{
margin: 0;
padding: 0;
}
#guide_panel{
width: 98%;
margin: 0 auto;
}
#row_panel{
width: 98%;
height: 720px;
margin: 0 auto;
/*border: solid 1px red;*/
}
#row_panel .table-panel{
width: 50%;
height: 500px;
float: left;
text-align: center;
}
#row_panel .table-panel p{
color:#BBBBBB;
}
#row_panel .bottom-panel{
width: 100%;
height: 40px;
background: #F0F0F0;
float: left;
margin-top: 20px;
text-align: right;
}
#row_panel .bottom-panel span{
line-height: 40px;
font-size: 18px;
}
js部分
layui.use(['layer', 'form', 'element', 'jquery', 'table', 'laydate'], function () {
var form = layui.form, element = layui.element, $ = layui.$, layer = layui.layer,
table = layui.table, laydate = layui.laydate;
/**
* 数据表格:定义表头数据
* @type {{}}
*/
var lan = {};
lan.cpbm = "产品编码";
lan.cpjm = "产品简码";
lan.cpmc = "产品名称";
lan.ckjj = "参考进价";
lan.lpbz = "礼品标志";
lan.spbh = "商品编号";
lan.spmc = "商品名称";
lan.sl = "数量";
lan.dj = "单价";
lan.je = "金额";
lan.cz = "操作";
/**
* 购物车数据
* @type {Array}
*/
var goodsData = [];
/**
* 商品数据
* @type {string}
*/
var GoodsDataStr = "[{\"GoodsID\":\"20190308131925\",\"GoodsName\":\"123456\",\"NameCode\":\"123456\",\"GoodsClass\":\"13659603513393152\",\"GoodsType\":1,\"Price\":20,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0.8,\"IsDiscount\":1,\"Remark\":null,\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190308131956,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"个\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14157977930075136\",\"LAY_TABLE_INDEX\":0},{\"GoodsID\":\"20190301183528\",\"GoodsName\":\"测试2\",\"NameCode\":\"CS2\",\"GoodsClass\":\"14148378555485184\",\"GoodsType\":1,\"Price\":60,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190301183538,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"次\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14148379235683328\",\"LAY_TABLE_INDEX\":1},{\"GoodsID\":\"20190301183516\",\"GoodsName\":\"测试1\",\"NameCode\":\"CS1\",\"GoodsClass\":\"14148378482019328\",\"GoodsType\":1,\"Price\":50,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190301183522,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"次\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14148378983274496\",\"LAY_TABLE_INDEX\":2},{\"GoodsID\":\"6914068013626\",\"GoodsName\":\"纸巾\",\"NameCode\":\"zj\",\"GoodsClass\":\"13819788947571712\",\"GoodsType\":1,\"Price\":5,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":1,\"PointType\":0.1,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":\"%3Cp%3Enull%3C/p%3E\",\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190217092044,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"盒\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14130846812542976\",\"LAY_TABLE_INDEX\":3},{\"GoodsID\":\"20190126103924660\",\"GoodsName\":\"测试呀1\",\"NameCode\":\"CSY1\",\"GoodsClass\":\"13659654677299200\",\"GoodsType\":1,\"Price\":20,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":\"/FileSys/MemPhoto/198/20190126103959902.jpg\",\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":\"\",\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190126103959,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"次\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14099782024565760\",\"LAY_TABLE_INDEX\":4},{\"GoodsID\":\"20190124202652\",\"GoodsName\":\"是是是\",\"NameCode\":\"SSS\",\"GoodsClass\":\"13659603389480960\",\"GoodsType\":1,\"Price\":11,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":1,\"Images\":null,\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190124202657,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"1\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14097527869279232\",\"LAY_TABLE_INDEX\":5},{\"GoodsID\":\"699\",\"GoodsName\":\"自助烤肉\",\"NameCode\":\"ZZKR\",\"GoodsClass\":\"13819785158099968\",\"GoodsType\":1,\"Price\":50,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":50,\"Images\":\"/FileSys/MemPhoto/198/20190114153729870.jpg\",\"IsPoint\":1,\"PointType\":800,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":0,\"ExchangePoint\":0,\"CreateTime\":20190114153730,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":null,\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14083087561366528\",\"LAY_TABLE_INDEX\":6},{\"GoodsID\":\"20190114153056\",\"GoodsName\":\"积分衣服\",\"NameCode\":\"JFYF\",\"GoodsClass\":\"13819785158099968\",\"GoodsType\":1,\"Price\":0,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":\"/FileSys/GoodsIMG/198/20190114154132974.png\",\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":\"%3Cp%3Enull%3C/p%3E\",\"IsDelete\":0,\"IsGift\":1,\"ExchangePoint\":500,\"CreateTime\":20190114153221,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"1\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14083082487470080\",\"LAY_TABLE_INDEX\":7},{\"GoodsID\":\"20190114152247\",\"GoodsName\":\"积分裤子\",\"NameCode\":\"JFKZ\",\"GoodsClass\":\"13819785158099968\",\"GoodsType\":1,\"Price\":0,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":1,\"PointType\":800,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":1,\"ExchangePoint\":0,\"CreateTime\":20190114152321,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"1\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14083073653020672\",\"LAY_TABLE_INDEX\":8},{\"GoodsID\":\"20190114151536\",\"GoodsName\":\"裤子\",\"NameCode\":\"KZ\",\"GoodsClass\":\"13819785158099968\",\"GoodsType\":1,\"Price\":0,\"PriceUnit\":0,\"PriceNum\":0,\"XPrice\":0,\"Images\":null,\"IsPoint\":0,\"PointType\":0,\"MinDiscount\":0,\"IsDiscount\":0,\"Remark\":null,\"IsDelete\":0,\"IsGift\":1,\"ExchangePoint\":500,\"CreateTime\":20190114151658,\"CompID\":198,\"ShopID\":\"237\",\"MasterID\":\"237\",\"MeasureUnit\":\"1\",\"Specials\":0,\"IsShelf\":0,\"FreightTemplateID\":null,\"Id\":\"14083067377571840\",\"LAY_TABLE_INDEX\":9}]";
var GoodsData = JSON.parse(GoodsDataStr);
/**
* 页面加载时执行
*/
$(function () {
console.table(GoodsData);
/**
* List1数据表格渲染(商品列表)
*/
var ListTable1 = table.render({
data:GoodsData,
elem: '#List1',
cellMinWidth: 95,
//height: 'full-190',
height: '460',
minheight:430,
page: true,
limit: 10,
limits: [10, 20, 30, 40],
done: function (res) {
if (res.rows && res.rows.length == 1) {
var data = res.rows[0];
GoodsList_onDblClickRow(data);
}
},
cols: [
[
{ field: 'GoodsID', title: lan.cpbm, align: 'left' },
{ field: 'NameCode', title: lan.cpjm, align: 'left' },
{ field: 'GoodsName', title: lan.cpmc, align: 'left' },
{
field: 'XPrice', title: lan.ckjj, align: 'right', templet: function (d) {
return "<span style='color:red'>￥" + d.XPrice + "</span>";
}
},
{
field: 'IsGift', title: lan.lpbz, align: 'center', templet: function (d) {
var _fm = '<div class="padding_top4 padding_left5">';
_fm += d.IsGift == 1 ? '<i class="layui-icon layui-icon-ok" title=' + lan.lp + '></i>' : '<i class="layui-icon layui-icon-close" title=' + lan.flp + '></i>';
_fm += "</div>";
return _fm;
}
}
]
]
});
/**
* List2数据表格渲染(购物车)
*/
var ListTable2 = table.render({
data:goodsData,
elem: '#List2',
cellMinWidth: 95,
//height: 'full-190',
height: '460',
minheight:430,
page: true,
limit: 10,
limits: [10, 20, 30, 40],
cols: [
[
{ field: 'GoodsID', title: lan.spbh },
{ field: 'GoodsName', title: lan.spmc },
{ field: 'Qty', title: lan.sl, edit: 'text' },
{ field: 'Price', title: lan.dj, edit: 'text' },
{ field: 'Money', title: lan.je },
{
title: lan.cz, align: "center", fixed: 'right', templet: function (d) {
var html = '<a class="layui-btn layui-btn-xs layui-btn-danger" lay-event="delet">删除</a> ';
return html;
}
}
]
],
done: function (res) {
$("#List2").siblings().find("td").each(function () {
if ($(this).attr("data-edit") == 'text') {
var num = $(this).find("div").text();
$(this).append('<input class="layui-input layui-table-edit" value="' + num + '">')
}
})
}
});
/**
* 监听商品列表'行'单击事件
*/
table.on('row(List1)', function (obj) {
var data = obj.data;
var isNew = true;
var vKey = data.GoodsID; //产品编码
//遍历购物车，是否存在产品；存在，数量+1 计算金额
for (var i = 0; i < goodsData.length; i++) {
var tRow = goodsData[i];
if (vKey == tRow.GoodsID) {
tRow.Qty = parseInt(tRow.Qty) + 1;
tRow.Money = accMul(tRow.Qty, tRow.Price,2);
isNew = false;
break;
}
}
//判断当前数据是否为新增数据
if (isNew) {
var tmpRow = {};
tmpRow.Id = data.Id;
tmpRow.GoodsID = data.GoodsID;
tmpRow.GoodsName = data.GoodsName;
tmpRow.Price = data.XPrice;
tmpRow.Qty = 1;
tmpRow.Money =(data.XPrice).toFixed(2);
tmpRow.SalesCode = "";
goodsData.push(tmpRow);
}
//console.log(goodsData);
/**
* 开始刷新购物车
*/
shoppingCartRefresh();
});
/**
* 监听购物车行删除事件
*/
table.on('tool(List2)', function (obj, index) {
var data = obj.data;
if (obj.event === 'delet') {
for (var i = 0; i < goodsData.length; i++) {
var gd = goodsData[i];
if (data.GoodsID == gd.GoodsID) {
goodsData.splice(i, 1);
}
}
/**
* 开始刷新购物车
*/
shoppingCartRefresh();
}
});
/**
* 购物车行编辑事件
*/
table.on('edit(List2)', function (obj) {
var data = goodsData;
for (var i = 0; i < data.length; i++) {
if (obj.data.Id == data[i].Id) {
if (isNaN(data[i].Qty) || data[i].Qty < 0) {
data[i].Qty = 0;
}
if (isNaN(data[i].Price) || data[i].Price < 0) {
data[i].Price = 0;
}
data[i].Qty = Number(data[i].Qty); //数量:声明数字类型
data[i].Price = parseFloat(data[i].Price).toFixed(2); //金额:声明小数类型
data[i].Money = accMul(data[i].Qty, data[i].Price,2); //计算总金额:保留2位小数
}
}
/**
* 开始刷新购物车
*/
shoppingCartRefresh();
});
/**
* 购物车刷新函数
*/
function shoppingCartRefresh(){
var TotalQty = 0;
var TotalMoney = 0;
//数据表格重载
ListTable2.reload({ data: goodsData });
//计算总数 合计金额
for (var i = 0; i < goodsData.length; i++) {
TotalQty = accAdd(TotalQty, goodsData[i].Qty);
TotalMoney = (accAdd(TotalMoney, parseFloat(goodsData[i].Money))).toFixed(2);
}
// console.log("总数量:"+TotalQty);
// console.log("总金额:"+TotalMoney);
$("#RechargeCount_TotalQty").html(TotalQty);
$("#RechargeCount_TotalMoney").html(TotalMoney);
}
/**
* 小数加法
* @param arg1
* @param arg2
* @returns {number}
*/
function accAdd(arg1,arg2){
var r1,r2,m;
try{r1=arg1.toString().split(".")[1].length}catch(e){r1=0}
try{r2=arg2.toString().split(".")[1].length}catch(e){r2=0}
m=Math.pow(10,Math.max(r1,r2));
return (arg1*m+arg2*m)/m;
}
/**
* 小数乘法
* @param arg1
* @param arg2
* @param fix
* @returns {*}
*/
function accMul(arg1,arg2,fix) {
if(!parseInt(fix)==fix)
{
return;
}
var m=0,s1=arg1.toString(),s2=arg2.toString();
try{m+=s1.split(".")[1].length}catch(e){}
try{m+=s2.split(".")[1].length}catch(e){}
if(m>fix){
return (Math.round(Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m-fix))/Math.pow(10,fix));
}else if(m<=fix){
return (Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m)).toFixed(fix);
}else{
return (arg1*arg2).toFixed(fix);
}
}
});
});
功能核心知识：
通过一个全局数组来存储，点击商品后，拿到的商品信息，用数据来驱动购物车表格显示。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。
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