2014Java与大数据

2016-9-4 10:01

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4班-程菊飞

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/** *作业：实现购物车功能 *姓名：程菊飞 *学号：2014011729 *班级：软件四班 **/ /*****IndexServlet.java*******/ package controller; import java.io.IOException; imp...

6班 - 李盈

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/** * * 任务：购物车例子 * 班级：六班 * 学号：2014011817 * 姓名：李盈 * * */ //****************IndexServlet.java*************** package controller;...

201405岳雨萌

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
package controller; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.Servlet; import...

4班-田瑞航

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
我把作业交到ftp中了。是个压缩文件夹，麻烦老师下载一下。网址为：http://10.7.1.98/201404tianruihang/Java%E4%B8%8E%E5%A4%A7%E6%95%B0%E6%8D%AE%E4%BD%9C%E4%B8%9A/ ...

4班-孙永国

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
这是商品购物车的功能实现，请查收： http://10.7.1.98/201404sunyongguo/javaee/

6班-董玉韩

7班赵艺迪

五班刘松

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/* 姓名：刘松班级：五班学号：2014011760 */ package controller; import java.io.IOException; import java.io.PrintWriter; import java.util.List; impo...

6班-颜荣恩

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/***********com.AddCart***********/ package com; import java.io.IOException; import java.util.ArrayList; import java.util.List; import...

5班-孙婧涵

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
AddCartServlet.java: package com.cookie; import java.io.IOException; import java.util.ArrayList; import java.util.List; impo...

6班-孙成

1班-沈晨阳

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
package controller; /* *一班 *沈晨阳 */ import java.io.IOException; import java.util.ArrayList; import java.util.List; import java...

8班-程淳

7班-袁赞

201408丁佳维

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
package com.servlet; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletExcepti...

6班-李晓阳

6班-张迪

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/* AddCartServlet */ package controller; import java.io.IOException; import java.util.ArrayList; import java.util.List; import ja...

7班-王亚超

3班-马佳

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
已完成, 作业连接: http://10.7.1.98/201403majia/JavaWeb/2016-9/ShoppingCart/ShoppingCart.zip

6班-穆翔宇

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
//6班，穆翔宇，2014011793 import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException...

3班-李翘楚

4班-孙兰云

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
----------------------------IndexServlet.java----------------------------------------------- package test; /** * 功能：展示商品首页，若没有登录，会提示登录，...

5班-李尊浩

1班-郭爽

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/**********LoginServlet.java***************/ /** * 姓名：郭爽 * 班级：1班 * 学号：2014011573 */ package servlet; import java.io.IOException; ...

5班-李尊浩

package controller;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
* Servlet implementation class AddCartServlet
*/
@WebServlet("/AddCartServlet")
public class AddCartServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public AddCartServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

   /**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       //判断Cookie信息是否存在，存在直接添加到购物车，否则显示登录页面
               String name=request.getParameter("name");
               name=new String(name.getBytes("iso-8859-1"),"utf-8");
               System.out.println("商品名："+name);
               HttpSession session=request.getSession();
               List<String> cart=(List<String>) session.getAttribute("cart");
               if(cart == null){
                   cart=new ArrayList<String>();
                   cart.add(name);
               }else{
                   cart.add(name);
               }
               session.setAttribute("cart",cart);
               response.sendRedirect("index.html");


   }

   /**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       doGet(request, response);
   }

}

package controller;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* Servlet implementation class IndexServlet
*/
@WebServlet("/IndexServlet")
public class IndexServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public IndexServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

   /**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       Cookie[] cookies = request.getCookies();
       if(cookies!=null){
           String name=null;
           String pwd=null;
           System.out.println("cookie !=null");
           for(Cookie cookie:cookies){
               System.out.println("name:"+cookie.getName());
               System.out.println("value:"+cookie.getValue());
               if(cookie.getName().equals("name")){
                   name=cookie.getValue();
               }
               if(cookie.getName().equals("pwd")){
                   pwd = cookie.getValue();
               }
           }
           if(name.equals("admin")&&pwd.equals("1234")){
               System.out.println("doget --cookie");
               request.getRequestDispatcher("index.html").forward(request,response);
               return;

           }
       }
       response.encodeRedirectURL("login.html");
   }

   /**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       doGet(request, response);
   }

}

package controller;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* Servlet implementation class LoginServlet
*/
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

   /**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       String name = request.getParameter("userName");
       String pwd = request.getParameter("userPwd");

       //访问数据库，查看用户是否存在
       if(name!=null && name.equals("admin") && pwd!=null && pwd.equals("1234")){
           String autoLogin = request.getParameter("autoLogin");
           if(autoLogin!=null&&autoLogin.equals("on")){
               //响应的处理，保存用户名密码到cookie中
               System.out.println("autoLogin:"+autoLogin);
               Cookie c1 = new Cookie("name",name);
               Cookie c2 = new Cookie("pwd",pwd);

               c1.setMaxAge(5*60);
               c2.setMaxAge(5*60);

               response.addCookie(c1);
               response.addCookie(c2);

           }
           request.getRequestDispatcher("index.html").forward(request, response);
           return;
       }
       response.sendRedirect("login.html");
   }



   /**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       doGet(request, response);
   }

}

package controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
* Servlet implementation class ShowCartServlet
*/
@WebServlet("/ShowCartServlet")
public class ShowCartServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public ShowCartServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

   /**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub
       HttpSession session = request.getSession();
       List<String> cart = (List<String>) session.getAttribute("cart");

       response.setContentType("text/html;charset=utf-8");
       PrintWriter out = response.getWriter();
       out.write("<html><head><title>购物车</title></head><body><hr>");

       for (int i = 0; i < cart.size(); i++)
       {
           if(i==cart.size()-1){
               out.write("购物车中商品的数量为"+i);
               break;
           }
           out.write("商品名：" + cart.get(i));
       System.out.println("商品名：" + cart.get(i));

           out.write("<hr>");
           }
       out.write("</body></html>");
   }
   /**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
   */
   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       // TODO Auto-generated method stub

   }

}

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>详细信息</title>
</head>
<body>
<table>
       <tr>
           <td>商品名</td> <td>商品A </td>
       </tr>
               <tr>
           <td>商品描述</td> <td>男装</td>
       </tr>
   </table>
   <a href="index.html">返回首页</a>
   <a href="addCart?id=1&name=商品A">添加到购物车</a>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>详细信息</title>
</head>
<body>
<table>
       <tr>
           <td>商品名</td>
           <td>商品B</td>
       </tr>
       <tr>
           <td>商品描述</td>
           <td>女装</td>
       </tr>
   </table>
   <a href="index.html">返回首页</a>
   <a href="addCart?id=2&name=商品B">添加到购物车</a>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>详细信息</title>
</head>
<body>
<table>
       <tr>
           <td>商品名</td>
           <td>商品C</td>
       </tr>
       <tr>
           <td>商品描述</td>
           <td>童装</td>
       </tr>
   </table>
   <a href="index.html">返回首页</a>
   <a href="addCart?id=3&name=商品C">添加到购物车</a>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>商品列表</title>
</head>
<body>
<table>
       <tr>
           <td>商品名</td>
           <td>价格</td>
           <td colspan="2">操作</td>
       </tr>
       <tr>
           <td>商品A</td>
           <td>35</td>
           <td><a href="detailA.html">查看详情</a></td>
           <td><a href=addCart?id=1&name=商品A>添加到购物车</a></td>
       </tr>
       <tr>
           <td>商品B</td>
           <td>40</td>
           <td><a href="detailB.html">查看详情</a></td>
           <td><a href="addCart?id=2&name=商品B">添加到购物车</a></td>
       </tr>
       <tr>
           <td>商品C</td>
           <td>45</td>
           <td><a href="detailC.html">查看详情</a></td>
           <td><a href="addCart?id=3&name=商品C">添加到购物车</a></td>
       </tr>
   </table>

   <a href="showCart">查看购物车</a>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

   <form action="login" method="post">
       <table border="1">
           <tr>
               <td width="100">用户名：</td>
               <td><input type="text" name="userName"></td>
           </tr>
           <tr>
               <td>密码：</td>
               <td><input type="password" name="userPwd"></td>
           </tr>
           <tr>
               <td><input type="reset" value="重置" /></td>
               <td><input type="submit" value="登录" /> <input type="radio"
                   value="on" name="autoLogin" /> 自动登录</td>
           </tr>
       </table>
   </form>
</body>
</html>

<?xml version="1.0" encoding="UTF-8" ?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>shoppingcar</display-name>
<welcome-file-list>
<welcome-file>index.do</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>IndexServlet</servlet-name>
<servlet-class>controller.IndexServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>IndexServlet</servlet-name>
<url-pattern>/index.do</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>AddCartServlet</servlet-name>
<servlet-class>controller.AddCartServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>AddCartServlet</servlet-name>
<url-pattern>/addCart</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>ShowCartServlet</servlet-name>
<servlet-class>controller.ShowCartServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ShowCartServlet</servlet-name>
<url-pattern>/showCart</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>controller.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/login</url-pattern>
</servlet-mapping>
</web-app>

3班-张潇洁

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/*名称：购物车-首页 *姓名：张潇洁 *学号：2014011666 *班级：3班 */ package controller; import java.io.IOException; import javax.servlet.ServletException; imp...

2班-王子恒

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
package controller; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; impo...

1班-赵冬雪

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/* 班级：1班姓名：赵冬雪学号：2014011572 功能：使用HttpSession实现购物车功能 */ 1./* web.xml <?xml version="1.0" encoding="UTF-8"?> <web...

1班-王子津

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
/* 姓名：王子津班级：2014级一班学号：2014011540 */ web.xml 文件夹 <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.o...

2班-童海苹

#2014Java与大数据# 的任务使用HttpSession实现购物车功能有了新的提交。
package controller; /** * 姓名：童海苹 * 学号：2014011625 * 功能：添加购物车 */ import java.io.IOException; import java.util.ArrayList; import java.ut...