js shopping cart implementation ideas and code
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script> <title>购物车</title> <style type="text/css"> body{ background: #fefbe6; text-align: center; margin: 0; padding: 0; color: #500f60; } li{ list-style-type: none; } a:link{ list-style-type: none; } img{ width: 100%; height: 120px; } #static{ margin: 0 auto; text-align: left; } #main{ width: 100%; margin: 0 auto; color: #530a4a; position: absolute; top:110px; } #main ul{ } #main ul li{ width: 20%; float: left; } #main_t{ position: absolute; top:140px; color: #530a4a; width: 100%; margin: 0; padding: 0; font-size: 0.8em; } #main_t_l,#main_t_a{ color: #3f1262; width: 100%; font-size: 0.8em; } #main_t_l ul li{ width: 20%; float: left; } #zon{ background: #dbfff1; color: #f8cd66; } .bot_in{ background: #f1fcc4; border: 3px #f1fcc4 solid; border-radius: 6px 6px 6px 6px; -moz-border-radius: 6px; } #ji{ width:130px; height:30px; filter:alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=0); -ms-filter:alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=0);/*IE8*/ background:red; background:-moz-linear-gradient(top, red, rgba(0, 0, 255, 0.5)); background:-webkit-gradient(linear, 0 0, 0 bottom, from(#0dc613), to(rgba(111, 246, 116, 0.5))); background:-o-linear-gradient(top, red, rgba(0, 0, 255, 0.5)); color: #fff; margin-top:6%; border: none; } .ji { width:130px; height:30px; filter:alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=0); -ms-filter:alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=0);/*IE8*/ background:red; background:-moz-linear-gradient(top, red, rgba(0, 0, 255, 0.5)); background:-webkit-gradient(linear, 0 0, 0 bottom, from(#0dc613), to(rgba(111, 246, 116, 0.5))); background:-o-linear-gradient(top, red, rgba(0, 0, 255, 0.5)); color: #fff; margin-top:6%; border: none; } </style> <script type="text/javascript"> $(function() { //点击加号购物车数量增加1 $(".add").live("click",function(){ var isAdd = true; var num = parseInt($(this).closest("li").find("#num").text()); var productId = $(this).closest("li").find("#productId").val(); var totalprice = parseFloat($("#totalprice").text()); var price = parseFloat($(this).closest("ul").find("#price").text()); if (!isNaN(num)) { num++; if (num > 99) { num = 99; isAdd = false; } if(isAdd) { totalprice = totalprice + price; } } var total = num * price; $(this).closest("li").find("#num").text(num); $(this).closest("ul").find("#total").text(total); $.post("<%=basePath%>updateShopCart.action","productId="+productId+"&num="+num,function(data){ if(data.success==true){ $("#totalprice").text(totalprice); } }); }); //点击加号购物车数量减少1 $(".delete").live("click",function(){ var isReduce = true; var num = parseInt($(this).closest("li").find("#num").text()); var productId = $(this).closest("li").find("#productId").val(); var totalprice = parseFloat($("#totalprice").text()); var price = parseFloat($(this).closest("ul").find("#price").text()); if (!isNaN(num)) { num--; if (num < 1) { num = 1; isReduce = false; } if(isReduce){ totalprice = totalprice - price; } } var total = num * price; $(this).closest("li").find("#num").text(num); $(this).closest("ul").find("#total").text(total); $.post("<%=basePath%>updateShopCart.action","productId="+productId+"&num="+num,function(data){ if(data.success==true){ $("#totalprice").text(totalprice); } }); }); $("#cha").live("click",function() { var productId = $(this).closest("ul").find("#productId").val(); $.post("<%=basePath%>deleteFromShopCart.action","productId="+productId,function(data){ if(data.success==true){ getShopCartInfo(); } }); }); function getShopCartInfo(){ $.ajax({ type : "POST", url : "<%=basePath%>findShopCart.action", success : function(data) { var row = ""; var list = data.list; $("#main_t_l").empty(); var total = 0; if(list!=null&&list.length!=0){ for(var i=0;i<list.length;i++){ total = total + list[i].price * list[i].num; row = "<ul>"+ "<li style=\"width: 17%;text-align: center;\">"+list[i].productname+"</li>"+ "<li style=\"width: 17%;text-align: center;\" id=\"price\">"+list[i].price+"¥</li>"+ "<li style=\"width: 30%;text-align: center;\">"+ "<input type=\"hidden\" id=\"productId\" value="+list[i].id+">"+ "<button style=\"background: #dbddd4;border-top: none;border: 1px #dbddd4 solid; border-radius: 1px 1px 1px 1px;-moz-border-radius: 1px;\" id=\"num\">"+list[i].num+"</button>"+ "<button style=\"background: #f5e3d5;border-top: none;border: 1px #f5e3d5 solid; border-radius: 1px 1px 1px 1px;-moz-border-radius: 1px; color: #c19268;\" class=\"delete\">-</button>"+ "<button style=\"background: #f5e3d5;border-top: none;border: 1px #f5e3d5 solid; border-radius: 1px 1px 1px 1px;-moz-border-radius: 1px; color: #c19268;\" class=\"add\">+</button>"+ "</li>"+ "<li style=\"width: 18%;text-align: center;\"><span id=\"total\">"+list[i].totalprice+"¥</span></li>"+ "<li style=\"width: 18%;text-align: center;\">"+ "<img src=\"<%=basePath%>image/cha.png\" style=\"width: 25px;height: 25px\" id=\"cha\">"+ "</li>"+ "</ul>"+ "<hr size=\"3px;\" color=\"#c1c1c1\" style=\"width: 100%;\">"; $(row).appendTo($("#main_t_l")); $("#totalprice").find("span").text(total); } }else { $("#main_t_l").append("<ul><li style=\"width: 100%;text-align: center;\">您的购物车为空,快去购物吧!</li></ul>"); $("#totalprice").find("span").text(0); } } }); } //提交订单 $("#ji").click(function(){ var name = $("#name").val(); var tele = $("#tele").val(); var address = $("#address").val(); var totalprice = $("#totalprice").find("span").text(); if(totalprice == 0){ alert("购物车为空,不能提交订单!"); return; } if(name==""){ alert("姓名不能为空!"); return; } if(tele==""){ alert("电话不能为空!"); return; } if(address==""){ alert("地址不能为空!"); return; } $("#ji").attr("disabled","disabled"); $("#ji").css("background","#808080"); document.getElementById("bgDiv").style.visibility = "visibility"; document.getElementById("myspin").style.visibility = "visibility"; $.post("<%=basePath%>addShopCart.action","name="+name+"&telephone="+tele+"&address="+address,function(data){ if(data.success == true) { getShopCartInfo(); alert("提交成功"); }else { alert("提交失败,请重新提交!"); $("#ji").addClass("ji"); $("#ji").attr("disabled",""); } }); }); window.onload = getShopCartInfo(); window.onload = function() { document.getElementById("bgDiv").style.visibility = "hidden"; document.getElementById("myspin").style.visibility = "hidden"; }; }); //验证联系方式 function validTeleNum() { var tel = /(^[0-9]{3,4}[0-9]{7,8}$)|(^[0-9]{7,8}$)|(^[0-9]{3,4}\-[0-9]{7,8}$)|(^[0-9]{7,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/; if (document.getElementById("tele").value != '') { if (!tel.test(document.getElementById("tele").value)) { alert("联系电话格式不正确,请重新输入!"); document.getElementById("tele").value = ""; } } } </script> </head> <body> <jsp:include page="../jsp/progress.jsp"></jsp:include> <div id="static"> <div style="text-align: left;"> <a href="javascript:history.go(-1)"><img src="<%=basePath %>pic/fan4.png" style="width: 15%;height:50px;position: absolute; top:50px;"></a> <img src="<%=basePath %>pic/top5.jpg"> </div> <div> <div id="main"> <div> <ul> <li style="width: 17%;text-align: center;">单品</li> <li style="width: 17%;text-align: center;">价格</li> <li style="width: 30%;text-align: center;">数量</li> <li style="width: 18%;text-align: center;">合计</li> <li style="width: 18%;text-align: center;">删除</li> </ul> </div> </div> <div id="main_t"> <div id="main_t_l" style="margin-top: 20px;"> </div> <div id="main_t_a" style="margin-top: 20px;"> <hr size="3px;" color="#c1c1c1" style=" width: 100%; margin-top: 50px;"> <div id="zon"><br> </div> <table align="center"> <tr> <td>姓名:</td> <td><input type="text" class="bot_in" id="name"/></td> </tr> <tr> <td>联系方式:</td> <td><input type="text" class="bot_in" id="tele" onblur="validTeleNum()"/></td> </tr> <tr> <td>地址:</td> <td><input type="text" class="bot_in" id="address"/></td> </tr> </table> <div style="margin-left:60%;"> <span style="font-size: 1.2em; color: #f8cd66;">总计</span> <button style="background: #f1fcc4; margin-left:5px;border: 3px #f1fcc4 solid; border-radius: 3px 3px 3px 3px;-moz-border-radius: 3px; color: #000;" id="totalprice"><span></span>¥</button> <br><br> </div> <div style="background: #f1fcc4 ;" align="center"> <input type="button" id="ji" value="提交订单"></input><br> <span style="font-size: 2em; color: #a6ae87; margin-left: 93%;">></span> </div> </div> </div> </div> </div> </body> </html>
For more js shopping cart implementation ideas and code-related articles, please pay attention to the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Frequently Asked Questions and Solutions for Front-end Thermal Paper Ticket Printing In Front-end Development, Ticket Printing is a common requirement. However, many developers are implementing...

JavaScript is the cornerstone of modern web development, and its main functions include event-driven programming, dynamic content generation and asynchronous programming. 1) Event-driven programming allows web pages to change dynamically according to user operations. 2) Dynamic content generation allows page content to be adjusted according to conditions. 3) Asynchronous programming ensures that the user interface is not blocked. JavaScript is widely used in web interaction, single-page application and server-side development, greatly improving the flexibility of user experience and cross-platform development.

There is no absolute salary for Python and JavaScript developers, depending on skills and industry needs. 1. Python may be paid more in data science and machine learning. 2. JavaScript has great demand in front-end and full-stack development, and its salary is also considerable. 3. Influencing factors include experience, geographical location, company size and specific skills.

How to merge array elements with the same ID into one object in JavaScript? When processing data, we often encounter the need to have the same ID...

Learning JavaScript is not difficult, but it is challenging. 1) Understand basic concepts such as variables, data types, functions, etc. 2) Master asynchronous programming and implement it through event loops. 3) Use DOM operations and Promise to handle asynchronous requests. 4) Avoid common mistakes and use debugging techniques. 5) Optimize performance and follow best practices.

Discussion on the realization of parallax scrolling and element animation effects in this article will explore how to achieve similar to Shiseido official website (https://www.shiseido.co.jp/sb/wonderland/)...

In-depth discussion of the root causes of the difference in console.log output. This article will analyze the differences in the output results of console.log function in a piece of code and explain the reasons behind it. �...

Explore the implementation of panel drag and drop adjustment function similar to VSCode in the front-end. In front-end development, how to implement VSCode similar to VSCode...
