cookieJsp购物车
【摘要】 源码下载
用到技术
cookie、jqAjax、el+jstl
包结构
代码
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = reque...
用到技术
cookie、jqAjax、el+jstl
包结构
代码
index.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
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<%
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String path = request.getContextPath();
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String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
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%>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<base href="<%=basePath%>">
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<title>Cookie购物车</title>
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<meta http-equiv="pragma" content="no-cache">
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<meta http-equiv="cache-control" content="no-cache">
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<meta http-equiv="expires" content="0">
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<meta http-equiv="keywords" content="购物、cookie">
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<meta http-equiv="description" content="cookie购物车">
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</head>
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<body>
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<div style="color: red;">*测试用户：admin 密码：admin</div>
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<form action="CookieShopCar?type=1" method="post">
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<table border="1">
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<tr>
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<th colspan="2" align="center">
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欢迎登陆惊涛购物
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</th>
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</tr>
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<tr>
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<td>用户名：</td>
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<td><input type="text" id="uname" name="uname"/></td>
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</tr>
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<tr>
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<td>密码：</td>
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<td><input type="password" id="upwd" name="upwd"/></td>
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</tr>
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<tr>
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<td colspan="2" align="center">
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<input type="submit" value="登陆"/>
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<span>${ msg }</span>
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</td>
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</tr>
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</table>
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</form>
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</body>
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</html>
shopWelcome.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
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<%
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String path = request.getContextPath();
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String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
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%>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<base href="<%=basePath%>">
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<title>Cookie购物车</title>
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<meta http-equiv="pragma" content="no-cache">
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<meta http-equiv="cache-control" content="no-cache">
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<meta http-equiv="expires" content="0">
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<meta http-equiv="keywords" content="购物、cookie">
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<meta http-equiv="description" content="cookie购物车">
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<script src="js/jquery-1.4.2.js" type="text/javascript" language="javascript"></script>
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<script type="text/javascript" language="javascript">
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$(function(){
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$("tr td a").click(function(){
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$.post("CookieShopCar",
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{ type: "2" ,
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sid:$(this).next().val()
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},
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function(data){
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var obj = eval(data);
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var buys = "";
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for(i in obj){
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buys += obj[i].name+","+obj[i].price+"\r\n";
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}
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$("#scar").val(buys);
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});
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});
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});
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</script>
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</head>
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<body>
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<div>
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欢迎<span style="color: red;">${ uName }</span>来到惊涛骇浪购物网
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</div>
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<table border="1">
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<tr>
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<th colspan="4" align="center">货物列表</th>
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</tr>
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<tr>
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<th>序号</th>
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<th>商品</th>
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<th>价格</th>
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<th>操作</th>
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</tr>
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<c:forEach items="${ shops }" var="sp" varStatus="id">
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<tr>
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<td>${ id.index + 1 }</td>
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<td>${ sp.sname }</td>
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<td>${ sp.sprice }元</td>
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<td>
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<a href="javascript:void(0)" id="buyShop" >购买</a>
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<input type="hidden" value="${ sp.sid }"/>
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</td>
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</tr>
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</c:forEach>
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</table>
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<div style="color: blue;font-weight: bolder;">
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我的购物车
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</div>
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<textarea rows="50" cols="20" id="scar"></textarea>
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</body>
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</html>
ShopBeanShopBean.java
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package com.soft.etc.shop.bean;
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public class ShopBean {
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private String sid; //商品id
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private String sname; //商品名字
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private String sprice; //商品价格
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public ShopBean() {
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super();
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}
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public ShopBean(String sid, String sname, String sprice) {
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super();
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this.sid = sid;
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this.sname = sname;
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this.sprice = sprice;
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}
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public String getSid() {
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return sid;
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}
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public void setSid(String sid) {
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this.sid = sid;
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}
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public String getSname() {
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return sname;
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}
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public void setSname(String sname) {
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this.sname = sname;
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}
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public String getSprice() {
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return sprice;
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}
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public void setSprice(String sprice) {
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this.sprice = sprice;
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}
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}
UserBeanUserBean.java
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package com.soft.etc.shop.bean;
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public class UserBean {
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private String userName;
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private String userPwd;
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public UserBean() {
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super();
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}
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public UserBean(String userName, String userPwd) {
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super();
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this.userName = userName;
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this.userPwd = userPwd;
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}
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public String getUserName() {
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return userName;
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}
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public void setUserName(String userName) {
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this.userName = userName;
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}
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public String getUserPwd() {
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return userPwd;
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}
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public void setUserPwd(String userPwd) {
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this.userPwd = userPwd;
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}
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}
ShopDataShopDataShopData.java
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package com.soft.etc.shop.data;
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import java.util.ArrayList;
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import java.util.List;
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import com.soft.etc.shop.bean.ShopBean;
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public class ShopData {
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private List<ShopBean> shops;
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public List<ShopBean> getShops() {
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shops = new ArrayList<ShopBean>();
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ShopBean sb_1 = new ShopBean();
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sb_1.setSid("1");
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sb_1.setSname("ipad");
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sb_1.setSprice("3200");
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shops.add(sb_1);
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ShopBean sb_2 = new ShopBean();
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sb_2.setSid("2");
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sb_2.setSname("Nokia 920T");
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sb_2.setSprice("4850");
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shops.add(sb_2);
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ShopBean sb_3 = new ShopBean();
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sb_3.setSid("3");
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sb_3.setSname("thinkpad T420i");
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sb_3.setSprice("6999");
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shops.add(sb_3);
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ShopBean sb_4 = new ShopBean();
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sb_4.setSid("4");
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sb_4.setSname("佳能 单反");
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sb_4.setSprice("4350");
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shops.add(sb_4);
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ShopBean sb_5 = new ShopBean();
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sb_5.setSid("5");
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sb_5.setSname("WD 1TB 移动硬盘");
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sb_5.setSprice("499");
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shops.add(sb_5);
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ShopBean sb_6 = new ShopBean();
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sb_6.setSid("6");
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sb_6.setSname("雅马哈 摩托车");
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sb_6.setSprice("7900");
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shops.add(sb_6);
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ShopBean sb_7 = new ShopBean();
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sb_7.setSid("7");
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sb_7.setSname("无线鼠标lenovo");
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sb_7.setSprice("70");
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shops.add(sb_7);
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ShopBean sb_8 = new ShopBean();
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sb_8.setSid("8");
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sb_8.setSname("笔记本超强散热架");
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sb_8.setSprice("66");
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shops.add(sb_8);
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ShopBean sb_9 = new ShopBean();
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sb_9.setSid("9");
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sb_9.setSname("原装电脑包");
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sb_9.setSprice("120");
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shops.add(sb_9);
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ShopBean sb_10 = new ShopBean();
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sb_10.setSid("10");
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sb_10.setSname("500G笔记本硬盘");
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sb_10.setSprice("350");
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shops.add(sb_10);
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return shops;
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}
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public void setShops(List<ShopBean> shops) {
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this.shops = shops;
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}
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}
UserDataUserData.java
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package com.soft.etc.shop.data;
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import java.util.ArrayList;
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import java.util.List;
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import com.soft.etc.shop.bean.UserBean;
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public class UserData {
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private List<UserBean> users;
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public List<UserBean> getUsers() {
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users = new ArrayList<UserBean>();
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UserBean user_1 = new UserBean();
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user_1.setUserName("admin");
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user_1.setUserPwd("admin");
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users.add(user_1);
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UserBean user_2 = new UserBean();
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user_2.setUserName("fuzhengwei");
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user_2.setUserPwd("123");
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users.add(user_2);
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return users;
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}
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public void setUsers(List<UserBean> users) {
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this.users = users;
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}
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}
MyFilterMyFilter.java
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package com.soft.etc.shop.filter;
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import java.io.IOException;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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public class MyFilter implements Filter {
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private String encoding = null;
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private FilterConfig filterConfig = null;
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public void destroy() {
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this.encoding = null;
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this.filterConfig = null;
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}
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public void doFilter(ServletRequest servletReq,ServletResponse servletRes,
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FilterChain chain) throws IOException, ServletException {
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if(filterConfig!=null){
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servletReq.setCharacterEncoding(encoding);
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servletRes.setContentType("text/html;charset="+encoding);
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}
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chain.doFilter(servletReq, servletRes);
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}
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public void init(FilterConfig filterConfig) throws ServletException {
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this.filterConfig = filterConfig;
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this.encoding = filterConfig.getInitParameter("encoding");
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}
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}
ShopServiceShopService.java
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package com.soft.etc.shop.service;
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import java.util.List;
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import com.soft.etc.shop.bean.ShopBean;
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public class ShopService {
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/**
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* 获得用户购买的商品
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* @param shops
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* @param sid
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* @return
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*/
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public ShopBean getShopMsg(List<ShopBean> shops, String sid) {
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ShopBean shopBean = null;
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for(ShopBean s:shops){
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if(s.getSid().equals(sid.trim())){
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shopBean = s;
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}
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}
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return shopBean;
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}
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}
UserServiceUserService.java
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package com.soft.etc.shop.service;
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import java.util.List;
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import com.soft.etc.shop.bean.UserBean;
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public class UserService {
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/**
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* 验证登陆
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* @param user
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* @param userName
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* @param userPwd
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* @return
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*/
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public boolean userLogin(List<UserBean> user, String userName, String userPwd) {
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boolean isLogin = false;
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for(UserBean u:user){
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if(u.getUserName().equals(userName.trim()) && u.getUserPwd().equals(userPwd.trim())){
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isLogin = true;
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}
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}
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return isLogin;
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}
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}
CookieShopCarCookieShopCar.java
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package com.soft.etc.shop.service;
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import java.util.List;
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import com.soft.etc.shop.bean.UserBean;
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public class UserService {
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/**
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* 验证登陆
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* @param user
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* @param userName
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* @param userPwd
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* @return
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*/
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public boolean userLogin(List<UserBean> user, String userName, String userPwd) {
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boolean isLogin = false;
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for(UserBean u:user){
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if(u.getUserName().equals(userName.trim()) && u.getUserPwd().equals(userPwd.trim())){
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isLogin = true;
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}
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}
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return isLogin;
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}
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}
Web.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<web-app version="2.5"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
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http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
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<servlet>
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<servlet-name>CookieShopCar</servlet-name>
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<servlet-class>com.soft.etc.shop.servlet.CookieShopCar</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>CookieShopCar</servlet-name>
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<url-pattern>/CookieShopCar</url-pattern>
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</servlet-mapping>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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<filter>
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<filter-name>MyFilter</filter-name>
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<filter-class>com.soft.etc.shop.filter.MyFilter</filter-class>
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<init-param>
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<param-name>encoding</param-name>
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<param-value>GBK</param-value>
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</init-param>
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</filter>
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<filter-mapping>
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<filter-name>MyFilter</filter-name>
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<url-pattern>/*</url-pattern>
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<dispatcher>FORWARD</dispatcher>
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<dispatcher>REQUEST</dispatcher>
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</filter-mapping>
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</web-app>
文章来源: bugstack.blog.csdn.net，作者：Yao__Shun__Yu，版权归原作者所有，如需转载，请联系作者。
原文链接：bugstack.blog.csdn.net/article/details/8713572
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