cookieJsp购物车

举报
小傅哥 发表于 2021/04/23 01:20:40 2021/04/23
【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...

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 = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
      %>
      <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
      <html>
       <head>
      <base href="<%=basePath%>">
      <title>Cookie购物车</title>
     	<meta http-equiv="pragma" content="no-cache">
     	<meta http-equiv="cache-control" content="no-cache">
     	<meta http-equiv="expires" content="0">
     	<meta http-equiv="keywords" content="购物、cookie">
     	<meta http-equiv="description" content="cookie购物车">
       </head>
       <body>
       <div style="color: red;">*测试用户：admin 密码：admin</div>
       <form action="CookieShopCar?type=1" method="post">
       	<table border="1">
      <tr>
      <th colspan="2" align="center">
       欢迎登陆惊涛购物
      </th>
      </tr>
      <tr>
      <td>用户名：</td>
      <td><input type="text" id="uname" name="uname"/></td>
      </tr>
      <tr>
      <td>密码：</td>
      <td><input type="password" id="upwd" name="upwd"/></td>
      </tr>
      <tr>
      <td colspan="2" align="center">
      <input type="submit" value="登陆"/>
      <span>${ msg }</span>
      </td>
      </tr>
       	</table>
       </form>
       </body>
      </html>


shopWelcome.jsp


      <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
      <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
      <%
      String path = request.getContextPath();
      String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
      %>
      <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
      <html>
       <head>
      <base href="<%=basePath%>">
      <title>Cookie购物车</title>
     	<meta http-equiv="pragma" content="no-cache">
     	<meta http-equiv="cache-control" content="no-cache">
     	<meta http-equiv="expires" content="0">
     	<meta http-equiv="keywords" content="购物、cookie">
     	<meta http-equiv="description" content="cookie购物车">
     	<script src="js/jquery-1.4.2.js" type="text/javascript" language="javascript"></script>
     	<script type="text/javascript" language="javascript">
      		$(function(){
      			$("tr td a").click(function(){
       $.post("CookieShopCar",
       { type: "2" ,
      sid:$(this).next().val()
       },
      function(data){
      var obj = eval(data);
      var buys = "";
      for(i in obj){
       buys += obj[i].name+","+obj[i].price+"\r\n";
       }
       $("#scar").val(buys);
       });
      			});
      		});
     	</script>
       </head>
       <body>
      <div>
       欢迎<span style="color: red;">${ uName }</span>来到惊涛骇浪购物网
      </div>
      	<table border="1">
      		<tr>
      <th colspan="4" align="center">货物列表</th>
      		</tr>
      		<tr>
      <th>序号</th>
      <th>商品</th>
      <th>价格</th>
      <th>操作</th>
      		</tr>
      		<c:forEach items="${ shops }" var="sp" varStatus="id">
      <tr>
      <td>${ id.index + 1 }</td>
      <td>${ sp.sname }</td>
      <td>${ sp.sprice }元</td>
      <td>
      <a href="javascript:void(0)" id="buyShop" >购买</a>
      <input type="hidden" value="${ sp.sid }"/>
      </td>
      </tr>
      		</c:forEach>
      	</table>
      	<div style="color: blue;font-weight: bolder;">
       		我的购物车
      	</div>
      	<textarea rows="50" cols="20" id="scar"></textarea>
       </body>
      </html>


ShopBeanShopBean.java


      package com.soft.etc.shop.bean;
      public class ShopBean {
      	private String sid;		//商品id
      	private String sname;	//商品名字
      	private String sprice;	//商品价格
      	public ShopBean() {
      		super();
      	}
      	public ShopBean(String sid, String sname, String sprice) {
      		super();
      		this.sid = sid;
      		this.sname = sname;
      		this.sprice = sprice;
      	}
      	public String getSid() {
      		return sid;
      	}
      	public void setSid(String sid) {
      		this.sid = sid;
      	}
      	public String getSname() {
      		return sname;
      	}
      	public void setSname(String sname) {
      		this.sname = sname;
      	}
      	public String getSprice() {
      		return sprice;
      	}
      	public void setSprice(String sprice) {
      		this.sprice = sprice;
      	}
      }


UserBeanUserBean.java


      package com.soft.etc.shop.bean;
      public class UserBean {
      	private String userName;
      	private String userPwd;
      	public UserBean() {
      		super();
      	}
      	public UserBean(String userName, String userPwd) {
      		super();
      		this.userName = userName;
      		this.userPwd = userPwd;
      	}
      	public String getUserName() {
      		return userName;
      	}
      	public void setUserName(String userName) {
      		this.userName = userName;
      	}
      	public String getUserPwd() {
      		return userPwd;
      	}
      	public void setUserPwd(String userPwd) {
      		this.userPwd = userPwd;
      	}
      }


ShopDataShopDataShopData.java


      package com.soft.etc.shop.data;
      import java.util.ArrayList;
      import java.util.List;
      import com.soft.etc.shop.bean.ShopBean;
      public class ShopData {
     	private List<ShopBean> shops;
     	public List<ShopBean> getShops() {
      		shops = new ArrayList<ShopBean>();
      		ShopBean sb_1 = new ShopBean();
      		sb_1.setSid("1");
      		sb_1.setSname("ipad");
      		sb_1.setSprice("3200");
      		shops.add(sb_1);
      		ShopBean sb_2 = new ShopBean();
      		sb_2.setSid("2");
      		sb_2.setSname("Nokia 920T");
      		sb_2.setSprice("4850");
      		shops.add(sb_2);
      		ShopBean sb_3 = new ShopBean();
      		sb_3.setSid("3");
      		sb_3.setSname("thinkpad T420i");
      		sb_3.setSprice("6999");
      		shops.add(sb_3);
      		ShopBean sb_4 = new ShopBean();
      		sb_4.setSid("4");
      		sb_4.setSname("佳能 单反");
      		sb_4.setSprice("4350");
      		shops.add(sb_4);
      		ShopBean sb_5 = new ShopBean();
      		sb_5.setSid("5");
      		sb_5.setSname("WD 1TB 移动硬盘");
      		sb_5.setSprice("499");
      		shops.add(sb_5);
      		ShopBean sb_6 = new ShopBean();
      		sb_6.setSid("6");
      		sb_6.setSname("雅马哈 摩托车");
      		sb_6.setSprice("7900");
      		shops.add(sb_6);
      		ShopBean sb_7 = new ShopBean();
      		sb_7.setSid("7");
      		sb_7.setSname("无线鼠标lenovo");
      		sb_7.setSprice("70");
      		shops.add(sb_7);
      		ShopBean sb_8 = new ShopBean();
      		sb_8.setSid("8");
      		sb_8.setSname("笔记本超强散热架");
      		sb_8.setSprice("66");
      		shops.add(sb_8);
      		ShopBean sb_9 = new ShopBean();
      		sb_9.setSid("9");
      		sb_9.setSname("原装电脑包");
      		sb_9.setSprice("120");
      		shops.add(sb_9);
      		ShopBean sb_10 = new ShopBean();
      		sb_10.setSid("10");
      		sb_10.setSname("500G笔记本硬盘");
      		sb_10.setSprice("350");
      		shops.add(sb_10);
     		return shops;
      	}
     	public void setShops(List<ShopBean> shops) {
     		this.shops = shops;
      	}
      }


UserDataUserData.java


      package com.soft.etc.shop.data;
      import java.util.ArrayList;
      import java.util.List;
      import com.soft.etc.shop.bean.UserBean;
      public class UserData {
     	private List<UserBean> users;
     	public List<UserBean> getUsers() {
      		users = new ArrayList<UserBean>();
      		UserBean user_1 = new UserBean();
      		user_1.setUserName("admin");
      		user_1.setUserPwd("admin");
      		users.add(user_1);
      		UserBean user_2 = new UserBean();
      		user_2.setUserName("fuzhengwei");
      		user_2.setUserPwd("123");
      		users.add(user_2);
     		return users;
      	}
     	public void setUsers(List<UserBean> users) {
     		this.users = users;
      	}
      }


MyFilterMyFilter.java


      package com.soft.etc.shop.filter;
      import java.io.IOException;
      import javax.servlet.Filter;
      import javax.servlet.FilterChain;
      import javax.servlet.FilterConfig;
      import javax.servlet.ServletException;
      import javax.servlet.ServletRequest;
      import javax.servlet.ServletResponse;
      public class MyFilter implements Filter {
     	 private String encoding = null;
     	 private FilterConfig filterConfig = null;
     	  public void destroy() {
      this.encoding = null;
      this.filterConfig = null;
      	  }
     	 public void doFilter(ServletRequest servletReq,ServletResponse servletRes,
       FilterChain chain) throws IOException, ServletException {
      if(filterConfig!=null){
       servletReq.setCharacterEncoding(encoding);
       servletRes.setContentType("text/html;charset="+encoding);
       }
       chain.doFilter(servletReq, servletRes);
      	  }
     	 public void init(FilterConfig filterConfig) throws ServletException {
      this.filterConfig = filterConfig;
      this.encoding = filterConfig.getInitParameter("encoding");
      	  }
      }


ShopServiceShopService.java


      package com.soft.etc.shop.service;
      import java.util.List;
      import com.soft.etc.shop.bean.ShopBean;
      public class ShopService {
     	/**
       * 获得用户购买的商品
       * @param shops
       * @param sid
       * @return
       */
     	public ShopBean getShopMsg(List<ShopBean> shops, String sid) {
      		ShopBean shopBean = null;
     		for(ShopBean s:shops){
     			if(s.getSid().equals(sid.trim())){
       shopBean = s;
      			}
      		}
     		return shopBean;
      	}
      }


UserServiceUserService.java


      package com.soft.etc.shop.service;
      import java.util.List;
      import com.soft.etc.shop.bean.UserBean;
      public class UserService {
     	/**
       * 验证登陆
       * @param user
       * @param userName
       * @param userPwd
       * @return
       */
     	public boolean userLogin(List<UserBean> user, String userName, String userPwd) {
     		boolean isLogin = false;
     		for(UserBean u:user){
     			if(u.getUserName().equals(userName.trim()) && u.getUserPwd().equals(userPwd.trim())){
       isLogin = true;
      			}
      		}
     		return isLogin;
      	}
      }


CookieShopCarCookieShopCar.java


      package com.soft.etc.shop.service;
      import java.util.List;
      import com.soft.etc.shop.bean.UserBean;
      public class UserService {
     	/**
       * 验证登陆
       * @param user
       * @param userName
       * @param userPwd
       * @return
       */
     	public boolean userLogin(List<UserBean> user, String userName, String userPwd) {
     		boolean isLogin = false;
     		for(UserBean u:user){
     			if(u.getUserName().equals(userName.trim()) && u.getUserPwd().equals(userPwd.trim())){
       isLogin = true;
      			}
      		}
     		return isLogin;
      	}
      }


Web.xml


      <?xml version="1.0" encoding="UTF-8"?>
      <web-app version="2.5"
     	xmlns="http://java.sun.com/xml/ns/javaee"
     	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
       http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
       <servlet>
      <servlet-name>CookieShopCar</servlet-name>
      <servlet-class>com.soft.etc.shop.servlet.CookieShopCar</servlet-class>
       </servlet>
       <servlet-mapping>
      <servlet-name>CookieShopCar</servlet-name>
      <url-pattern>/CookieShopCar</url-pattern>
       </servlet-mapping>
       <welcome-file-list>
      <welcome-file>index.jsp</welcome-file>
       </welcome-file-list>
       <filter>
      <filter-name>MyFilter</filter-name>
      <filter-class>com.soft.etc.shop.filter.MyFilter</filter-class>
      <init-param>
      <param-name>encoding</param-name>
      <param-value>GBK</param-value>
      </init-param>
        </filter>
       <filter-mapping>
      <filter-name>MyFilter</filter-name>
      <url-pattern>/*</url-pattern>
       <dispatcher>FORWARD</dispatcher>
       <dispatcher>REQUEST</dispatcher>
        </filter-mapping>
      </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

【版权声明】本文为华为云社区用户转载文章，如果您发现本社区中有涉嫌抄袭的内容，欢迎发送邮件进行举报，并提供相关证据，一经查实，本社区将立刻删除涉嫌侵权内容，举报邮箱： cloudbbs@huaweicloud.com
  • 点赞
  • 收藏
  • 关注作者

评论（0）

0/1000
抱歉，系统识别当前为高风险访问，暂不支持该操作

全部回复

上滑加载中

设置昵称

在此一键设置昵称，即可参与社区互动！

*长度不超过10个汉字或20个英文字符，设置后3个月内不可修改。

*长度不超过10个汉字或20个英文字符，设置后3个月内不可修改。

确认 取消

加入云驻计划，成为创作者

  • 华为云周边好礼
  • 免费体验产品
  • 特殊身份标识
  • 线下官方门票
  • 内部专家零距离
  • 与10000+优质创作者共同成长
立即加入