jw图书购买功能

阅读更多

create database demodb_info
go
USE demodb_info
GO

--drop database demodb_info
/****** Object:  Table [dbo].[t_book]    Script Date: 12/13/2012 17:28:38 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

SET ANSI_PADDING ON
GO
--drop table [dbo].[t_book]
CREATE TABLE [dbo].[t_book](
	[id] [int] NOT NULL,
	[name] [varchar](20) NULL,
	[auther] [varchar](20) NULL,
	[press] [varchar](20) NULL,
	[price] [money] NULL,
 CONSTRAINT [PK_t_book] PRIMARY KEY CLUSTERED 
(
	[id] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO


/****** Script for SelectTopNRows command from SSMS  ******/
SELECT TOP 1000 [id]
      ,[name]
      ,[auther]
      ,[press]
      ,[price]
  FROM demodb_info.[dbo].[t_book]
  go
--delete FROM demodb_info.[dbo].[t_book]
go
insert into demodb_info.[dbo].[t_book] values(1,'秘密','拜恩','中国城市出版社',17.3);
insert into demodb_info.[dbo].[t_book] values(2,'白鹿原','陈忠实','北京十月文艺出版社',22);
insert into demodb_info.[dbo].[t_book] values(3,'青春','韩寒','湖南人民出版社',20.3);
insert into demodb_info.[dbo].[t_book] values(4,'追风筝的人','胡赛尼','上海人民出版社',16.3);
insert into demodb_info.[dbo].[t_book] values(5,'狼图腾','姜戎','长江文艺出版社',21.1);
insert into demodb_info.[dbo].[t_book] values(6,'正能量','理查德 怀斯曼民','湖南文艺出版社',18.5);
insert into demodb_info.[dbo].[t_book] values(7,'好妈妈胜过好老师','尹建莉','作家出版社',14.3);
insert into demodb_info.[dbo].[t_book] values(8,'你若安好便是晴天','白落梅','中国华侨出版社',17.4);
insert into demodb_info.[dbo].[t_book] values(9,'不一样的卡梅拉','克利斯提昂','二十一世纪出版社',26.5);
insert into demodb_info.[dbo].[t_book] values(10,'因为痛 所以叫青春','金兰都','广西科学技术出版社',19.7);

 

package com.Bookinfo.web.util;

public class Book {
	
	private int id;
	private String name;
	private String author;
	private String press;
	private double price;
	
	
	
	public Book(int id, String name, String author, String press, double price) {
		super();
		this.id = id;
		this.name = name;
		this.author = author;
		this.press = press;
		this.price = price;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAuthor() {
		return author;
	}
	public void setAuthor(String author) {
		this.author = author;
	}
	public String getPress() {
		return press;
	}
	public void setPress(String press) {
		this.press = press;
	}
	public double getPrice() {
		return price;
	}
	public void setPrice(double price) {
		this.price = price;
	}

	
	
	

}

 

 

//登陆的servlet  没有和数据库连接

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;



public class LoginServlet extends HttpServlet {
	
	
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{

		PrintWriter out=response.getWriter();
	//	response.setContentType("text/html;charset=UTF-8");
		String name=request.getParameter("loginName");
		String pwd=request.getParameter("loginPwd");
		
		//初始化购物车
		List cart=new ArrayList();
		
		
		if(name.equals("admin") && pwd.equals("123")){
			
			HttpSession sess=request.getSession();
			//将购物车放到session对象中
			name=new String(name.getBytes("ISO-8859-1"),"UTF-8");
			sess.setAttribute("userName", name);
			
			sess.setAttribute("cartFrist",cart);
			
			//request.getRequestDispatcher("index.jsp").forward(request, response);

			response.sendRedirect("index.jsp");
			
		}else{
			
			out.println("登录失败！");
			
		}
		out.flush();
		out.close();
	}

	

}

 

 

package com.Bookinfo.BFace.util;

import java.util.List;

import com.Bookinfo.web.util.Book;


//接口  返回List集合
public interface BookInter {

	public List getBook();
	
	
	
}

 

 

package com.Bookinfo.BImple.util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import com.Bookinfo.BFace.util.BookInter;
import com.Bookinfo.web.util.Book;

public class Bimple implements BookInter {

	public Connection conn=null;
	public Statement stm=null;
	public ResultSet rs=null;
	public List getBook() {
		// TODO Auto-generated method stub
		List books=new ArrayList();
		
		try {
			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
			conn=DriverManager.getConnection("jdbc:sqlserver://localhost:1433;database=demodb_info","sa","svse");
			
			stm=conn.createStatement();
			rs=stm.executeQuery("select * from [dbo].[t_book]");
			
			while(rs.next()){
				int id=rs.getInt(1);
				String name=rs.getString(2);
				String author=rs.getString(3);
				String press=rs.getString(4);
				double price=rs.getDouble(5);
				
				Book b=new Book(id,name,author,press,price);
				books.add(b);
			}
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
		
		
		return books;
	}

}

 

 

package com.Bookinfo.Servlet.util;

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

import javax.servlet.ServletConfig;
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.BookInter;
import com.Bookinfo.BImple.util.Bimple;
import com.Bookinfo.web.util.Book;

public class GetServlet extends HttpServlet {

	
	private ServletConfig config;
	

	
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
	 
		config=this.getServletConfig();
		String school=config.getInitParameter("school");
		
		System.out.println(school);
		
		response.setContentType("text/html;charset=UTF-8");
		HttpSession sess=request.getSession();
		
		BookInter bt=new Bimple();
		
		List listbobo=bt.getBook();
		System.out.println(bt.getBook().size());
		
		sess.setAttribute("book",listbobo);
		//request.getRequestDispatcher("BookTable.jsp").forward(request, response);
	
		response.sendRedirect("BookTable.jsp");
	}

}

 

 

package com.Bookinfo.BFace.util;

import java.util.List;

import com.Bookinfo.web.util.Book;

public interface CartIface {
	
	//根据图书ID查血图书信息
	public Book getBookById(int id);
	
}

 

 

package com.Bookinfo.BImple.util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import com.Bookinfo.BFace.util.BookInter;
import com.Bookinfo.BFace.util.CartIface;
import com.Bookinfo.web.util.Book;

public class CartImple implements CartIface {
	
	public Connection conn=null;
	public Statement stm=null;
	public ResultSet rs=null;
	
	public Book getBookById(int id) {
		// TODO Auto-generated method stub

		List books=new ArrayList();
		Book book_cart=null;
		
		try {
			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
			conn=DriverManager.getConnection("jdbc:sqlserver://localhost:1433;database=demodb_info","sa","svse");
			
			stm=conn.createStatement();
			rs=stm.executeQuery("select * from t_book where id='"+id+"'");
			
			while(rs.next()){
				Integer bookId=rs.getInt(1);
				String name=rs.getString(2);
				String author=rs.getString(3);
				String press=rs.getString(4);
				double price=rs.getDouble(5);
				
				Book b=new Book(bookId,name,author,press,price);
				books.add(b);
			}
			
			book_cart=books.get(0);
			
			
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}finally{
			try {
				//关闭ResultSet
				if(rs!=null){rs.close();}
				//关闭PreparedStatement
				if(stm!=null){stm.close();}
				//关闭Connection
				if(conn!=null){conn.close();}
			} catch (Exception e) {
				e.printStackTrace();
			}
		}

		return book_cart;
	}

	
	
	
	

 

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;

public class CartServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. 

	 *
	 * 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();
		
		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 cart=(List)sess.getAttribute("cartFrist");
		
		//将图书id添加进去
		cart.add(Integer.parseInt(bookId));
		
	
	}

}

 

 

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 CartMessageServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. 

	 *
	 * 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");
		
		CartIface ciface=new CartImple();
	
		HttpSession sess=request.getSession();
		
		
		List listCartID=(List) sess.getAttribute("cartFrist");
		
		
		List  listbook=new ArrayList();
		
		for (int i = 0; i  
 
 
 
 
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>



  
    
    
    
	
	
	    
	
	
	
  
  
  
   登陆
   <%=session.getAttribute("userName") %>
   查看信息
   查看购物车
  

 
 
 
 
 
 
 
 
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>



  
    
    
    
    
	
	
	    
	
	
	

  
  
  
  
 
    用户名： 
     
    

    密码： 
    
    

     
    
  

 
 
 
 
 
 
 
 
<%@ 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" %>


  
    
    
    
    
	
	
	    
	
	
	

  
  
  
    This is my table page. 

    

    
	    
	       <%
	     List listBook=(ArrayList)session.getAttribute("book");
	     
	     for(int i=0;i
	     
	     <%
	     }
	       %>
	       
	       
	    

	       

	          
图书Id
	          
图书名称
	          
图书作者
	          
图书出版社
	          
图书价格
	          
操作
	       

	     	  
<%=b.getId() %>
	          
<%=b.getName() %>
	          
<%=b.getAuthor() %>
	          
<%=b.getPress() %>
	          
<%=b.getPrice() %>
	          
购买
	     
    
  

 
 
 
 
 
 
 
 
<%@ 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" %>


  
    
    
    
    
	
	
	    
	
	
	

  
  
  
      
	    
	    
	    <%! double sum=0; %>
	       
	       <%
	     List listBook=(ArrayList)session.getAttribute("CartMessage");
	     sum=0;
	     for(int i=0;i
	     
	     <%
	     }
	       %>
	       

	          
图书Id
	          
图书名称
	          
图书作者
	          
图书出版社
	          
图书价格
	          
操作
	       

	     	  
<%=b.getId() %>
	          
<%=b.getName() %>
	          
<%=b.getAuthor() %>
	          
<%=b.getPress() %>
	          
<%=b.getPrice() %>
	          
删除
	     

	         
总价格：<%=sum %>
	       
	       
	       
	    
    
  

 
 
 
 
 


  
    index.jsp
    
  
  
  
    booktable
    com.Bookinfo.Servlet.util.GetServlet
     
      school
      国资
    
  
 
  
  booktable
  /bookTable
  
  
  
  
  
  
  
    loginuser
    com.Bookinfo.Servlet.util.LoginServlet
  
  
    将图书ID添加到购物车里面
    将图书添加到购物车
    CartServlet
    com.Bookinfo.Servlet.util.CartServlet
  
  
    根据图书ID将图书信息添加到购物车里面
    将图书全部信息添加到购物车
    CartMessageServlet
    com.Bookinfo.Servlet.util.CartMessageServlet
  


 
  
  loginuser
  /loginUser
  
  
    CartServlet
    /CartServlet
  
  
    CartMessageServlet
    /CartMessageServlet