layui使用数据表格实现购物车功能

前端  /  管理员 发布于 5年前   642

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

         
 
layui数据表格实现类购物车功能
 
 
    
  
使用方法
  
   
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。   
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   
3：购物车数据表格，‘删除'，删除当前所选商品  
   
 
 
 
    
商品列表
  
    
购物车
  
  总数:---  合计金额:---  

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 "￥" + d.XPrice + "";   }   },   {   field: 'IsGift', title: lan.lpbz, align: 'center', templet: function (d) {    var _fm = '
';    _fm += d.IsGift == 1 ? '' : '';    _fm += "";    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 = '删除 ';    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('')   }  })  }  });  /**  * 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。

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