<%@ 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>My JSP 'FalseLogin.jsp' starting page</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="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
This is my JSP page. <br>
<hr/><div align="center"><font size="6">
</font><font size="6" color="#ff8040"> 尊敬的用户请登录之后在进行购买操作！</font>
</div>
<br/>
<div align="center">
<a href="Login.jsp">登陆</a>
</div></body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ page import="com.Bookinfo.web.util.Book" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'Continue.jsp' starting page</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="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
This is my JSP page. <br>
<hr/><div align="center">
尊敬的用户:<font color="#ff8040"><%=session.getAttribute("LoginName") %></font>,你已经成功购买此书！
<%! double num=0;
String bookName;
%>
<%
List<Book> listBook=(ArrayList)session.getAttribute("CartMessage");
num=0;
for(int i=0;i<listBook.size();i++){
Book b=listBook.get(i);
num=b.getPrice();
bookName=b.getName();
%>
<%} %>
您购买的这本书的名字是：<%=bookName %>
您购买的这本书的单价是：<%=num %>
</div>
<br/>
<div align="center"><a href="BookTable.jsp">继续购买</a>
<a href="index.jsp">返回首页</a></div>
</body>
</html>
package com.Bookinfo.Servlet.util;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class CancleServlet extends HttpServlet {
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
request.getSession().removeAttribute("LoginName");
response.sendRedirect("index.jsp");
}
}
package com.Bookinfo.Servlet.util;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.Bookinfo.BFace.util.CartIface;
import com.Bookinfo.BImple.util.CartImple;
import com.Bookinfo.web.util.Book;
public class CartServlet extends HttpServlet {
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
HttpSession sess=request.getSession();
//判断登录名是否为空
if(sess.getAttribute("LoginName")==null){
response.sendRedirect("FalseLogin.jsp");
}else{
String bookId=request.getParameter("bookId");//得到用户购买的图书的id
//将用户的图书的id存放到购物车中去中
List<Integer> cart=(List<Integer>)sess.getAttribute("cartFrist");
//将图书id添加进去
cart.add(Integer.parseInt(bookId));
//得到购物车里面的信息
CartIface ciface=new CartImple();
List<Integer> listCartID=(List<Integer>) sess.getAttribute("cartFrist");
List<Book> listbook=new ArrayList<Book>();
for (int i = 0; i <listCartID.size(); i++) {
Book bo=ciface.getBookById(listCartID.get(i));
listbook.add(bo);
}
sess.setAttribute("CartMessage",listbook);
response.sendRedirect("Continue.jsp");
}
}
}
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ page import="com.Bookinfo.web.util.Book" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</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="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%! int sumBook=0; %>
<%if(session.getAttribute("LoginName")!=null){
%>
<%=session.getAttribute("LoginName") %>
购物车里面有
<%
List<Book> listBook=(ArrayList)session.getAttribute("cartFrist");
sumBook=listBook.size();
%>
<%=sumBook %>件商品
<%
}else{
%>
<a href="Login.jsp">登陆</a>
<%
}
%>
<a href="Cancle">退出</a>
<a href="bookTable">查看信息</a>
<a href="CartMessageServlet">查看购物车</a>
</body>
</html>
