JSP课程设计报告

时间：2024.4.20

《Internet开发技术》

课程设计报告

设计题目： 网上购物系统

姓名： 学号：

班级：

设计起止时间：

一、需求分析

网上购物已经成为一种潮流，网上购物的方便、价格便宜、省时等优势使得越来越多的人喜欢上了这种购物方式，良好的购物网站使得其访问率居高不下，顾客络绎不绝，开发一款良好的购物系统软件是一件很有必要的事。下面是根据网上购物系统需求归纳出的文本需求说明：

1.管理员(管理员唯一，用户名及密码已确定都为admin)登录后可以查看用户的信息，删除用户；查看商品信息，当商品信息有误时，可修改商品信息(商品名称严禁修改)，删除商品；添加新的货物，加入到货物表中，货物表基本信息：货物名、价格、种类、生产商/作者、商品信息、商品图品。

2.个人用户基本信息：用户名、性别、密码、地址、邮箱、联系方式。个人用户可以注册成为该系统的客户且用户名必须唯一。个人用户可以在不登录情况下直接查看商品信息，但不可添加到购物车中，必须登录后才有这个功能。

3.个人用户登录后可以添加商品到购物车中，购物车表基本信息：用户名、货物名、数量、总价。查看自己的购物车；删除购物车中的货物；修改购物车中商品的数量。

二、系统分析及设计

系统功能描述

1.管理员登录

管理员唯一指定，利用初始化用户名（admin）及密码（admin）。

2.货物管理

管理员登录后，可以查看商品基本信息；修改有误的商品信息；删除商品。

3.用户管理

管理员登录后，可以查看用户的基本信息；删除用户。

4.新货上架

管理员登录后，可以添加新的商品。

5.用户注册

购物需要先成为该系统客户才行，个人用户可以填写基本信息：用户名、性别、密码、地址、邮箱、联系方式申请注册，但系统中用户名必须唯一。

6.用户登录

用户注册成功后，可以登录该系统进行一些特殊操作，如：添加货物到购物车、伤处购物车商品。

7.浏览商品

浏览商品不需判断用户是否已登录该系统。

8.购物车管理

用户登录系统后，可查看购物车中商品；删除购物车中商品；修改购物车中商品的数量。

系统数据流图

顶层数据流图

0层数据流图

系统功能模块划分图

功能模块文件调用图

数据库的设计

表1-1 UserInfor(该表用来记录注册用户的个人信息)

表1-2 GoodsInfor(该表用来记录上架货物的商品信息)

表1-3 ShoppingInfor(该表用来记录用户的购物信息)

三、系统核心功能详细模块说明

1.数据库访问：

利用javaBean封装的数据库连接、访问操作，提供外部接口函数供其调用。

文件名：SqlOperation.java

核心源代码：

package cd;

import java.sql.*;

publicclass SqlOperation

{

Statement stm = null;

Connection con = null;

//注册驱动连接数据库，返回一个连接对象

public SqlOperation()

{

String JDriver = "sun.jdbc.odbc.JdbcOdbcDriver";

String conUrl = "jdbc:odbc:JSP";

try{

Class.forName(JDriver);

con = DriverManager.getConnection(conUrl);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

//执行插入、删除及更新操作

publicint executeUpdate(String sql)

{

int i = 0;

try{

stm = con.createStatement();

i = stm.executeUpdate(sql);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

return i;

}

//执行查询操作，返回一个结果集对象

public ResultSet executeQuery(String sql)

{

ResultSet rs = null;

try{

stm = con.createStatement();

rs = stm.executeQuery(sql);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

return rs;

}

//关闭各种连接

publicvoid close()

{

try{

stm.close();

con.close();

}

catch(Exception e)

{

e.printStackTrace();

}

2.用户浏览商品：

当用户点击“图书资料、家用电器、电脑用品、日用百货”中任何一项时，传参数click都不一样故主界面显示不同的都不尽相同，访问数据库将，将其符合条件的结果记录显示在主界面上。

文件名：Welcome.jsp

核心源代码(部分)：

//当参数为空或者为“1”时，显示图书资料

if(request.getParameter("click")==null || request.getParameter("click").equals("1"))

{

//访问数据库，获取查询的结果集

ResultSet rs = sqlOperation.executeQuery("select * from GoodsInfor where Gkind='图书'");

int i = 0;

out.println("<table align=center>");

while(rs.next()) //将结果一表格的形式展现在主界面上

{

if(i%3==0)

out.println("<tr><td><table>");

else

out.println("<td><table align=center>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String picture = rs.getString("GPicture");

out.println("<tr align=center><td rowspan=3 width=80>"+

"<img src=picture/"+picture+".jpg height=100></img></td></tr>");

out.println("<tr align=left><td width=100> <a href=\"GoodsInfor.jsp?click=1&name="+name+

"\"><font face=黑体 color=#0000ff>"+name+"</font></td></tr>");

out.println("<tr align=left><td> <font face=黑体 color=#ff0000>￥:"+money+

" 元</font></td></tr>");

if((++i)%3==0)

out.println("</table></td></tr>");

else

out.println("</table></td>");

}

out.println("</table>");

}

3.购物车管理

当用户点击“我的购物车”时，可以查看自己购物车中商品，用户可以点击删除，修改商品的数量，显示效果有ShoppingCart.jsp来处理,由ShoppingCartDeal.java处理来自于ShoppingCart.jsp的操作请求,其实是对数据库的操作，这里使用了UseBean技术，后再利用ShoppingCart.jsp在将数据库中信息显示，保证了数据库文件与显示结果的一致性。

文件名：ShoppingCart.jsp

核心源代码(部分)：

while(rs.next())

{

String name = rs.getString("Gname");

String price = rs.getString("Gmoney");

String kind = rs.getString("Gkind");

String producter = rs.getString("Gproducter");

String information = rs.getString("GInformation");

String picture = rs.getString("GPicture");

String num = rs.getString("Snum");

String totalmoney = rs.getString("Smoney");

allexpense += Integer.parseInt(totalmoney);

out.println("<hr width=540><table align=center><tr>");

if(picture.equals("暂无图片"))

out.println("<td rowspan=3><img src=\"picture/none.jpg\" height=80></img></td>");

else

out.println("<td rowspan=3><img src=\"picture/"+picture+".jpg\" height=80></img></td>");

out.println("<td><table>");

out.println("<tr><td width=150><font face=黑体 size=3>"+name+

"</font></td><td width=180><font face=黑体 size=3>单价:</font> "+

"<font face=黑体 size=3 color=red>"+price+"</font> <font face=黑体>元</font>"+

"</td><td align=left width=80><font face=黑体 size=3>"+kind+"</font></td></tr>");

out.println("<tr><td colspan=2><font size=2>"+information+

"</td><td align=center><a href=\"cd/ShoppingCartDeal?id=1"+

"&gname="+name+"\"><font face=幼圆 size=2 color=green>删除</font></a></td></tr>");

out.println("<tr><td><font face=楷体 size=4>"+producter+"</font></td><td>"+

"<a href=\"cd/ShoppingCartDeal?id=2&gname="+name+"&price="+price+"&num="+num+

"\"><img src=\"picture/jianhao.jpg\"></img></a>"+" <input type=text name=number size=3 "+

"style=\"vertical-align:top\" value="+num+" readonly> "+

"<a href=\"cd/ShoppingCartDeal?id=3&gname="+name+"&price="+price+"&num="+num+

"\"><img src=\"picture/jiahao.jpg\"></img></a></td><td><font face=黑体 size=3 color=red>"+

"￥: "+totalmoney+" 元</font></td></tr>");

out.println("</table></td></tr>");

out.println("</table><hr width=540>");

}

out.println("<p align=center><font face=黑体 size=5 color=#ff0000>小计("+

record_count+"种商品): "+allexpense+" 元</font></p>");

rs.close();

文件名：ShoppingCartDeal.java

核心源代码(部分)：

publicvoid doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

String sql = null;

SqlOperation sqlOperation = new SqlOperation();

String uname = request.getSession().getAttribute("account").toString();

String gname = new String(request.getParameter("gname").getBytes("ISO-8859-1"));

if(request.getParameter("id").equals("1"))

sql = new String("delete from ShoppingInfor where Uname='"+uname+"' and Gname='"+gname+"'");

else

{

int price = Integer.parseInt(request.getParameter("price"));

int num = Integer.parseInt(request.getParameter("num"));

if(request.getParameter("id").equals("2")&&num!=1)

num--;

if(request.getParameter("id").equals("3"))

num++;

int money = num*price;

sql = new String("update ShoppingInfor set Snum="+num+",Smoney="+money+" where Uname='"+

uname+"' and Gname='"+gname+"'");

}

if(sqlOperation.executeUpdate(sql)==0)

{

out.println("<html><head></head><body>");

out.println("<p> </p><p align=center><font face=楷体 size=5 color=green></font></p>");

out.println("</body></html>");

}

else

response.sendRedirect("../ShoppingCart.jsp");

sqlOperation.close();

}

4.商品管理

管理员登录后，可查看商品信息，修改商品信息，删除商品信息，显示有AdminOpearation.jsp来处理，操作请求由RequestDeal.java来处理，处理完毕后将结果写入数据库，后直接调用AdminOperation.jsp来显示更改后的结果。其中还使用了jsp动作加载文件。

文件名：AdminOpeartion.jsp

核心源代码(部分)：

char a = request.getParameter("id").charAt(0);

if(a=='1')

{

int user_count = 0;

ResultSet rs = sqlOperation.executeQuery("select count(*) from UserInfor");

if(rs.next())

{

user_count = rs.getInt(1); rs.close();

}

if(user_count>0)

{

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>所有用户信息</font></p>");

int num = 0;

rs = sqlOperation.executeQuery("select * from UserInfor");

out.println("<table style=table-layout:fixed border=1 cellpadding=0 cellspacing=0 " +

"bordercolor=#808080>");

out.println("<tr align=center bgcolor=blue>" +

"<th width=40>编号</th>" +

"<th width=70>用户名</th>" +

"<th width=50>性别</th>" +

"<th width=70>密码</th>" +

"<th width=150>地址</th>" +

"<th width=160>邮箱</th>" +

"<th width=90>联系方式</th>" +

"<th width=60>操作</th></tr>");

while(rs.next())

{

if(num%2==0)

out.println("<tr align=center>");

else

out.println("<tr align=center bgcolor=#fefb94>");

String na = rs.getString("Uname");

out.println("<td>" + ++num + "</td>" +

"<td>" + na + "</td>" +

"<td>" + rs.getString("Usex") + "</td>" +

"<td>" + rs.getString("Upassword") + "</td>" +

"<td>" + rs.getString("Uaddress") + "</td>" +

"<td>" + rs.getString("Uemail") +"</td>" +

"<td>" + rs.getString("Utele") + "</td>");

out.println("<td><a href=\"cd/RequestDeal?id=1&name="+ na +

"\"><font face=黑体 size=2 color=green>删除</font></a></td></tr>");

}

out.println("</table>");

rs.close();

}

else

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>暂时无用户信息可查询</font></p>");

sqlOperation.close();

}

if(a=='2')

{

int goods_count = 0;

ResultSet rs = sqlOperation.executeQuery("select count(*) from GoodsInfor");

if(rs.next())

{

goods_count = rs.getInt(1); rs.close();

}

if(goods_count>0)

{

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>所有商品信息</font></p>");

int num = 0;

rs = sqlOperation.executeQuery("select * from GoodsInfor");

while(rs.next())

{

out.println("<table align=center><hr align=center width=620>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String kind = rs.getString("Gkind");

String producter = rs.getString("Gproducter");

String information = rs.getString("GInformation");

String picture = rs.getString("GPicture");

if(picture.equals("暂无图片"))

out.println("<tr><td rowspan=3><img src=picture/none.jpg height=60></img></td>");

else

out.println("<tr><td rowspan=3><img src=picture/"+picture+".jpg height=60></img></td>");

out.println("<td width=150><font face=黑体 size=3 color=#000080> "+name+"</font></td>");

out.println("<td width=100><font face=黑体 size=3 color=#000000>"+kind+"</font></td>");

out.println("<td width=100><font face=黑体 size=3 color=#ff0000>￥:"+money+" 元</font></td></tr>");

out.println("<tr><td width=350> 简介:<font size=2>"+information+"</font></td></tr>");

out.println("<tr><td width=150> "+producter+"</td>");

out.println("<td align=right><a href=\"ChangeGoodsInfor.jsp?name="+name+

"&money="+money+"&kind="+kind+"&producter="+producter+

"&information="+information+"&picture="+picture+

"&operation=修改\"><font face=黑体 size=2 color=green>修改</font></a>");

out.println("  <a href=\"cd/RequestDeal?id=2&name="+name+

"&operation=删除\"><font face=黑体 size=2 color=green>删除</font></a></td></tr>");

out.println("</table><hr align=center width=620>");

}

rs.close();

}

else

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>暂时没有商品信息</font></p>");

}

if(a=='3')

{

out.println("<p align=center><font face=楷体 size=5 color=green>请填写商品信息</font></p>");

<jsp:include page="Goods.jsp" flush="true">

<jsp:param value="cd/RequestDeal?id=3" name="action"/>

</jsp:include>

}

四、收获及体会

通过这次课程设计，我学习到了很多东西，感觉这次课程设计很有意义。利用javaBean封装数据库类，综合运用jsp、html、javaBean、Servlet等知识。使用html知识：插入文本框、文本域、按钮、图片，利用超链接实现文件之间的跳转，在表格中显示信息使其规格化，利用form表单提交信息。使用jsp知识：利用jsp内置out、response、request、session等对象，利用request获取从另一个界面传来的参数，利用response的refresh函数定时刷新界面显示时间及sendRederict函数来跳转到其它文件中，使用session来获取一个session属性对象的值来判断用户是否登录在线，利用out对象来输出一些信息，使用jsp动作在合适时嵌入文件。使用javaBean知识：自己封装一个数据库的连接和操作函数，在其它文件中可以定义其对象或者使用useBean技术来对数据库进行操作。使用servlet知识：利用其doPost函数来处理其它文件提交来的信息。

此外，这次课程设计不仅仅是对课本中知识的综合应用，还学到了许多课外知识，如：超链接的传参问题，从框架中跳出到一般文件(这里使用了javasrcipt语言来完成了操作)。

课程设计中遇到的问题都不是特别的难于处理，不过在界面设计中确实花了不少的心思，就

主界面的显示效果想了好久，让商品的信息显示的整洁，给人一种美感实乃不易呀。本来想插入背景图片，无奈找到的背景图都太丑了，只好作罢。最后在这里感谢一下老师的悉心教导，祝老师工作顺利，身体健康！

附录：(实验效果截图)

图 1-1 主界面

图 1-2 点击“家用电器”后

图 1-3 点击“商品名称”显示商品详细信息

图 1-4 点击“加入购物车”后

图 1-5 管理员查看用户信息

图 1-6 管理员查看货物信息

图 1-7 管理员点击“新货上架”

附录源代码:

1.登录模块

1.1 文件名：Welcome.jsp

<%@page contentType="text/html; charset=gb2312" import="java.sql.*"%>

<jsp:useBean id="sqlOperation" scope="page" class="cd.SqlOperation"></jsp:useBean>

<html>

<body>

<font face="方正舒体" size=3 color="#009942">迷你挑，就在好商城</font>

if(session.getAttribute("account")==null) //判断用户是否上线

out.println("<a href=Login.html style=text-decoration:none>" +

"<font size=2 color=blue>【管理员入口】</font></a>  ");

else

out.println("          &nbsp" +

"       ");

<font face="楷体" size=3 color="red">欢迎来到百货商城</font>

//用户上线和用户不在线时，第一行的显示文字有所差异

if(session.getAttribute("account")==null)

{

out.println("<a href=Login.html style=text-decoration:none>" +

"<font size=2 color=blue>[登录]</font></a>");

out.println("<a href=Register.html style=text-decoration:none>" +

"<font size=2 color=blue>[免费注册]</font></a>");

}

else

{

out.println(session.getAttribute("account"));

out.println("<a href=cd/Quit style=text-decoration:none><font size=2 color=blue>[退出]</font></a>");

}

<a href="ShoppingCart.jsp"><font size=2 color=blue>我的购物车</font></a><br><hr><br>

//当参数为空或者为“1”时，显示图书资料

if(request.getParameter("click")==null || request.getParameter("click").equals("1"))

{

//访问数据库，获取查询的结果集

ResultSet rs = sqlOperation.executeQuery("select * from GoodsInfor where Gkind='图书'");

int i = 0;

out.println("<table align=center>");

while(rs.next()) //将结果一表格的形式展现在主界面上

{

if(i%3==0)

out.println("<tr><td><table>");

else

out.println("<td><table align=center>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String picture = rs.getString("GPicture");

out.println("<tr align=center><td rowspan=3 width=80>"+

"<img src=picture/"+picture+".jpg height=100></img></td></tr>");

out.println("<tr align=left><td width=100> <a href=\"GoodsInfor.jsp?click=1&name="+name+

"\"><font face=黑体 color=#0000ff>"+name+"</font></td></tr>");

out.println("<tr align=left><td> <font face=黑体 color=#ff0000>￥:"+money+

" 元</font></td></tr>");

if((++i)%3==0)

out.println("</table></td></tr>");

else

out.println("</table></td>");

}

out.println("</table>");

}

//当参数不为空且参数为“2”时，显示家用电器信息

if(request.getParameter("click")!=null && request.getParameter("click").equals("2"))

{

ResultSet rs = sqlOperation.executeQuery("select * from GoodsInfor where Gkind='家用电器'");

int i = 0;

out.println("<table align=center>");

while(rs.next())

{

if(i%3==0)

out.println("<tr><td><table>");

else

out.println("<td><table align=center>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String picture = rs.getString("GPicture");

out.println("<tr align=center><td rowspan=3 width=80>"+

"<img src=picture/"+picture+".jpg height=100></img></td></tr>");

out.println("<tr align=left><td width=100> <a href=\"GoodsInfor.jsp?click=2&name="+name+

"\"><font face=黑体 color=#0000ff>"+name+"</font></td></tr>");

out.println("<tr align=left><td> <font face=黑体 color=#ff0000>￥:"+money+

" 元</font></td></tr>");

if((++i)%3==0)

out.println("</table></td></tr>");

else

out.println("</table></td>");

}

out.println("</table>");

}

//当参数不为空且参数为“3”时，显示电脑用品的信息

if(request.getParameter("click")!=null && request.getParameter("click").equals("3"))

{

ResultSet rs = sqlOperation.executeQuery("select * from GoodsInfor where Gkind='电脑用品'");

int i = 0;

out.println("<table align=center>");

while(rs.next())

{

if(i%3==0)

out.println("<tr><td><table>");

else

out.println("<td><table align=center>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String picture = rs.getString("GPicture");

out.println("<tr align=center><td rowspan=3 width=80>"+

"<img src=picture/"+picture+".jpg height=100></img></td></tr>");

out.println("<tr align=left><td width=100> <a href=\"GoodsInfor.jsp?click=3&name="+name+

"\"><font face=黑体 color=#0000ff>"+name+"</font></td></tr>");

out.println("<tr align=left><td> <font face=黑体 color=#ff0000>￥:"+money+

" 元</font></td></tr>");

if((++i)%3==0)

out.println("</table></td></tr>");

else

out.println("</table></td>");

}

out.println("</table>");

}

//当参数不为空且参数为“4”时，显示日用百货信息

if(request.getParameter("click")!=null && request.getParameter("click").equals("4"))

{

ResultSet rs = sqlOperation.executeQuery("select * from GoodsInfor where Gkind='日用百货'");

int i = 0;

out.println("<table align=center>");

while(rs.next())

{

if(i%3==0)

out.println("<tr><td><table>");

else

out.println("<td><table align=center>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String picture = rs.getString("GPicture");

out.println("<tr align=center><td rowspan=3 width=100>"+

"<img src=picture/"+picture+".jpg height=100></img></td></tr>");

out.println("<tr align=left><td width=100> <a href=\"GoodsInfor.jsp?click=4&name="+name+

"\"><font face=黑体 color=#0000ff>"+name+"</font></td></tr>");

out.println("<tr align=left><td> <font face=黑体 color=#ff0000>￥:"+money+

" 元</font></td></tr>");

if((++i)%3==0)

out.println("</table></td></tr>");

else

out.println("</table></td>");

}

out.println("</table>");

}

</body>

</html>

1.2 文件名:Login.html

<html>

<body>

<p align="center"><font face="楷体" size=4 color="#000080">欢迎来到登录界面</font><br><br>

</table><br>

</form>

</body>

</html>

1.3 文件名:CheckLoginInfor.java

package cd;

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.sql.*;

public class CheckLoginInfor extends HttpServlet

{

public void doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

//当信息填写不完整时，直接跳到原界面

if(request.getParameter("userName").length()==0||

request.getParameter("password").length()==0)

{

response.sendRedirect("../Login.html");

}

byte b1[] = request.getParameter("userName").getBytes("ISO-8859-1");

String name = new String(b1);

byte b2[] = request.getParameter("password").getBytes("ISO-8859-1");

String password = new String(b2);

if(name.equals("admin"))

{

if(password.equals("admin"))

{

response.sendRedirect("../AdminLoad.html");

}

else

{

out.println("<html><head></head><body>");

out.println("<a href=" + "../Welcome.jsp" + "><font size=2 color=red>【返回首页】</font></a>");

out.println("<p align=center><font face=楷体 size=4 color=blue>密码输入有误!</font><br><br>");

out.println("<a href=" + "../Login.html" + "><font size=3 color=green>返回上一页</font></a></p>");

out.println("</body></html>");

}

else

{

SqlOperation so = new SqlOperation();

String sql = "select * from UserInfor where Uname='" + name + "' and Upassword='" + password + "'";

ResultSet rs = so.executeQuery(sql);

try {

if(rs.next())

{

rs.close();

so.close();

request.getSession().setAttribute("account",name.trim());

response.sendRedirect("../Welcome.jsp");

}

else

{

out.println("<html><head></head><body>");

out.println("<a href=" + "../Welcome.jsp" + "><font size=2 color=red>【返回首页】</font></a>");

out.println("<p align=center><font face=楷体 size=4 color=blue>用户名或者密码输入有误!</font><br><br>");

out.println("<a href=" + "../Login.html" + "><font size=3 color=green>返回上一页</font></a></p>");

out.println("</body></html>");

}

rs.close();

so.close();

}

catch (SQLException e) {

e.printStackTrace();

}

public void doGet(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

doPost(request,response);

}

2.注册模块

2.1 文件名:Register.html

<html>

<body>

<td align="center"><input type="radio" name="sexItem" value="男">男    

</table>

</form>

</body>

</html>

2.2 文件名:CheckRegisterInfor.java

package cd;

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.sql.*;

public class CheckRegisterInfor extends HttpServlet

{

public void doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

if(request.getParameter("name").length()==0 ||

request.getParameter("password1").length()==0 ||

request.getParameter("password2").length()==0 ||

request.getParameter("address").length()==0 ||

request.getParameter("email").length()==0 ||

request.getParameter("tele").length()==0)

{

response.sendRedirect("../Register.html");

}

byte b1[] = request.getParameter("name").getBytes("ISO-8859-1");

String na = new String(b1);

byte b2[] = request.getParameter("password1").getBytes("ISO-8859-1");

String pa1 = new String(b2);

byte b3[] = request.getParameter("password2").getBytes("ISO-8859-1");

String pa2 = new String(b3);

byte b4[] = request.getParameter("sexItem").getBytes("ISO-8859-1");

String se = new String(b4);

byte b5[] = request.getParameter("address").getBytes("ISO-8859-1");

String ad = new String(b5);

byte b6[] = request.getParameter("email").getBytes("ISO-8859-1");

String em = new String(b6);

byte b7[] = request.getParameter("tele").getBytes("ISO-8859-1");

String te = new String(b7);

if(pa1.equals(pa2)==false)

{

out.println("<html><head></head><body>");

out.println("<a href=" + "../Welcome.jsp" + "><font size=2 color=red>" +

"【返回首页】</font></a>");

out.println("<p align=center><font face=楷体 size=4 color=blue>" +

"两次密码输入不一致!</font><br><br>");

out.println("<a href=" + "../Register.html" + "><font size=3 color=green>" +

"返回上一页</font></a></p>");

out.println("<html><head></head><body>");

return;

}

SqlOperation so = new SqlOperation();

String sql = "select * from UserInfor where Uname='" + na + "'";

ResultSet rs = so.executeQuery(sql);

try {

out.println("<html><head></head><body>");

out.println("<a href=" + "../Welcome.jsp" + "><font size=2 color=red>" +

"【返回首页】</font></a>");

if(rs.next())

{

out.println("<p align=center><font face=楷体 size=4 color=blue>" +

"该用户名已被占用!</font><br><br>");

out.println("<a href=" + "../Register.html" + "><font size=3 color=green>" +

"返回上一页</font></a></p>");

}

else

{

sql = "insert into UserInfor values('" + na + "','" + se +"','" + pa1 + "','" +

ad + "','" + em + "','" + te +"')";

int i = so.executeUpdate(sql);

if(i==0)

{

out.println("<p align=center><font face=楷体 size=4 color=blue>服务器忙，" +

"未能注册成功，请您稍后再试!</font><br><br>");

out.println("<a href=" + "../Register.html" + "><font size=3 color=green>" +

"返回上一页</font></a></p>");

}

else

{

out.println("<p align=center><font face=楷体 size=4 color=blue>恭喜您，" +

"注册成功!</font><br><br>");

out.println("<a href=" + "../Login.html" + "><font size=3 color=green>" +

"跳转到登录界面</font></a></p>");

}

out.println("</body></html>");

rs.close();

so.close();

}

catch (SQLException e) {

e.printStackTrace();

}

public void doGet(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

doPost(request,response);

}

3.管理员界面模块

3.1 文件名：AdminLoad.html

<html>

</frameset>

</html>

3.2 文件名：Up.jsp

<%@ page contentType="text/html; charset=gb2312" import="java.util.*" %>

<html>

<head>

function jump()

{

if (top.location !== self.location){

top.location = "Welcome.jsp";

}

</script>

</head>

<body>

<p align= center><font face=楷体 size=5 color=#008040>欢迎管理员的到来</font></p>

<% response.setHeader("Refresh","6"); %>

</body>

</html>

3.3 文件名：Left.html

<html>

<body>

</body>

</html>

4.管理员操作模块

4.1 文件名：AdminOperation.jsp

<%@page contentType="text/html; charset=gb2312" import="java.sql.*"%>

<jsp:useBean id="sqlOperation" scope="page" class="cd.SqlOperation"></jsp:useBean>

<html>

<body>

char a = request.getParameter("id").charAt(0);

if(a=='1')

{

int user_count = 0;

ResultSet rs = sqlOperation.executeQuery("select count(*) from UserInfor");

if(rs.next())

{

user_count = rs.getInt(1); rs.close();

}

if(user_count>0)

{

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>所有用户信息</font></p>");

int num = 0;

rs = sqlOperation.executeQuery("select * from UserInfor");

out.println("<table style=table-layout:fixed border=1 cellpadding=0 cellspacing=0 " +

"bordercolor=#808080>");

out.println("<tr align=center bgcolor=blue>" +

"<th width=40>编号</th>" +

"<th width=70>用户名</th>" +

"<th width=50>性别</th>" +

"<th width=70>密码</th>" +

"<th width=150>地址</th>" +

"<th width=160>邮箱</th>" +

"<th width=90>联系方式</th>" +

"<th width=60>操作</th></tr>");

while(rs.next())

{

if(num%2==0)

out.println("<tr align=center>");

else

out.println("<tr align=center bgcolor=#fefb94>");

String na = rs.getString("Uname");

out.println("<td>" + ++num + "</td>" +

"<td>" + na + "</td>" +

"<td>" + rs.getString("Usex") + "</td>" +

"<td>" + rs.getString("Upassword") + "</td>" +

"<td>" + rs.getString("Uaddress") + "</td>" +

"<td>" + rs.getString("Uemail") +"</td>" +

"<td>" + rs.getString("Utele") + "</td>");

out.println("<td><a href=\"cd/RequestDeal?id=1&name="+ na +

"\"><font face=黑体 size=2 color=green>删除</font></a></td></tr>");

}

out.println("</table>");

rs.close();

}

else

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>暂时无用户信息可查询</font></p>");

sqlOperation.close();

}

if(a=='2')

{

int goods_count = 0;

ResultSet rs = sqlOperation.executeQuery("select count(*) from GoodsInfor");

if(rs.next())

{

goods_count = rs.getInt(1); rs.close();

}

if(goods_count>0)

{

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>所有商品信息</font></p>");

int num = 0;

rs = sqlOperation.executeQuery("select * from GoodsInfor");

while(rs.next())

{

out.println("<table align=center><hr align=center width=620>");

String name = rs.getString("Gname");

String money = rs.getString("Gmoney");

String kind = rs.getString("Gkind");

String producter = rs.getString("Gproducter");

String information = rs.getString("GInformation");

String picture = rs.getString("GPicture");

if(picture.equals("暂无图片"))

out.println("<tr><td rowspan=3><img src=picture/none.jpg height=60></img></td>");

else

out.println("<tr><td rowspan=3><img src=picture/"+picture+".jpg height=60></img></td>");

out.println("<td width=150><font face=黑体 size=3 color=#000080> "+name+"</font></td>");

out.println("<td width=100><font face=黑体 size=3 color=#000000>"+kind+"</font></td>");

out.println("<td width=100><font face=黑体 size=3 color=#ff0000>￥:"+money+" 元</font></td></tr>");

out.println("<tr><td width=350> 简介:<font size=2>"+information+"</font></td></tr>");

out.println("<tr><td width=150> "+producter+"</td>");

out.println("<td align=right><a href=\"ChangeGoodsInfor.jsp?name="+name+

"&money="+money+"&kind="+kind+"&producter="+producter+

"&information="+information+"&picture="+picture+

"&operation=修改\"><font face=黑体 size=2 color=green>修改</font></a>");

out.println("  <a href=\"cd/RequestDeal?id=2&name="+name+

"&operation=删除\"><font face=黑体 size=2 color=green>删除</font></a></td></tr>");

out.println("</table><hr align=center width=620>");

}

rs.close();

}

else

out.println("<p align=center><font face=楷体 size=5 color=#00FF00>暂时没有商品信息</font></p>");

}

if(a=='3')

{

out.println("<p align=center><font face=楷体 size=5 color=green>请填写商品信息</font></p>");

<jsp:include page="Goods.jsp" flush="true">

<jsp:param value="cd/RequestDeal?id=3" name="action"/>

</jsp:include>

}

</body>

</html>

4.2 文件名：ChangeGoodsInfor.jsp

<%@ page contentType="text/html; charset=gb2312"%>

<%!String Gkinds[] = {"图书","电脑用品","家用电器","日用百货"}; %>

String name = new String(request.getParameter("name").getBytes("ISO-8859-1"));

String money = new String(request.getParameter("money").getBytes("ISO-8859-1"));

String kind = new String(request.getParameter("kind").getBytes("ISO-8859-1"));

String producter = new String(request.getParameter("producter").getBytes("ISO-8859-1"));

String information = new String(request.getParameter("information").getBytes("ISO-8859-1"));

String picture = new String(request.getParameter("picture").getBytes("ISO-8859-1"));

<html>

<body>

<td><input type="text" name="Gname" size=30 value=<%=name%> readonly><font color=red> *</font></td></tr>

<td><input onkeypress="return event.keyCode>=48&&event.keyCode<=57||event.keyCode==46"

onpaste="return !clipboardData.getData('text').match(/\D/)" ondragenter="return false"

style="ime-mode:Disabled" name="Gmoney" size=9 value=<%=money%>> 元<font color=red> *</font></td></tr>

for(int i=0; i<4; i++){

if(kind.equals(Gkinds[i]))

out.println("<option selected>"+Gkinds[i]);

else

out.println("<option>"+Gkinds[i]);

}

</select></td></tr>

</table>

</form>

</body>

</html>

4.3.文件名:Goods.jsp

<%@page contentType="text/html; charset=gb2312"%>

<html>

<body>

<form action=<%=request.getParameter("action")%> method="post">

<td><input onkeypress="return event.keyCode>=48&&event.keyCode<=57||event.keyCode==46"

onpaste="return !clipboardData.getData('text').match(/\D/)" ondragenter="return false"

style="ime-mode:Disabled" name="Gmoney" size=9 value=0> 元<font color=red> *</font></td></tr>

</table>

</form>

</body>

</html>

4.4.文件名:RequestDeal.java

package cd;

import java.awt.List;

import java.io.*;

import java.sql.*;

import java.util.Collection;

import javax.servlet.*;

import javax.servlet.http.*;

public class RequestDeal extends HttpServlet

{

public void doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

SqlOperation sqlOperation = new SqlOperation();

int bOk = 0;

if(request.getParameter("id").equals("1"))

{

byte b[] = request.getParameter("name").getBytes("ISO-8859-1");

String name = new String(b);

String sql = "delete from UserInfor where Uname='"+name+"'";

bOk = sqlOperation.executeUpdate(sql);

sqlOperation.close();

response.sendRedirect("../AdminOperation.jsp?id=1");

}

if(request.getParameter("id").equals("2"))

{

byte b2[] = request.getParameter("operation").getBytes("ISO-8859-1");

String operation = new String(b2);

if(operation.equals("删除"))

{

byte b1[] = request.getParameter("name").getBytes("ISO-8859-1");

String name = new String(b1);

String sql = "delete from GoodsInfor where Gname='"+name+ "'";

bOk = sqlOperation.executeUpdate(sql);

sqlOperation.close();

response.sendRedirect("../AdminOperation.jsp?id=2");

}

else

{

String name = new String(request.getParameter("Gname").getBytes("ISO-8859-1"));

String money = new String(request.getParameter("Gmoney").getBytes("ISO-8859-1"));

String kind = new String(request.getParameter("Gkind").getBytes("ISO-8859-1"));

String producter = new String(request.getParameter("Gproducter").getBytes("ISO-8859-1"));

String information = new String(request.getParameter("GInformation").getBytes("ISO-8859-1"));

String picture = new String(request.getParameter("Gpicture").getBytes("ISO-8859-1"));

SqlOperation sqlOpeartion = new SqlOperation();

String sql = "update GoodsInfor set Gmoney="+Integer.parseInt(money)+",Gkind='"+

kind+"',Gproducter='"+producter+"',GInformation='"+information+"',GPicture='"+

picture+"' where Gname='"+name+"'";

bOk = sqlOpeartion.executeUpdate(sql);

out.println("<html><head></head><body>");

if(bOk==0)

out.println("<p> </p><p align=center><font face=楷体 size=5 color=#00ff00>"+

"操作失败,请您稍后重试!</font></p>");

else

out.println("<p> </p><p align=center><font face=楷体 size=5 color=#00ff00>"+

"操作成功!</font></p>");

out.println("</body></html>");

sqlOperation.close();

}

if(request.getParameter("id").equals("3"))

{

if(request.getParameter("Gname").length()==0||

Integer.parseInt(request.getParameter("Gmoney"))<=0||

request.getParameter("Gproducter").length()==0)

{

response.sendRedirect("../AdminOperation.jsp?id=3");

}

byte b1[] = request.getParameter("Gname").getBytes("ISO-8859-1");

String name = new String(b1);

int money = Integer.parseInt(request.getParameter("Gmoney"));

byte b3[] = request.getParameter("Gkind").getBytes("ISO-8859-1");

String kind = new String(b3);

byte b4[] = request.getParameter("Gproducter").getBytes("ISO-8859-1");

String producter = new String(b4);

byte b5[] = request.getParameter("Gpicture").getBytes("ISO-8859-1");

String picture = new String(b5);

byte b6[] = request.getParameter("GInformation").getBytes("ISO-8859-1");

String information = new String(b6);

if(request.getParameter("Gpicture").length()==0)

picture = new String("暂无图片");

if(request.getParameter("GInformation").length()==0)

information = new String("暂无描述信息");

String sql = "insert into GoodsInfor values('"+name+"',"+money+",'"+kind+"','"+producter +

"','"+information+"','"+picture+"')";

bOk = sqlOperation.executeUpdate(sql);

out.println("<html><head></head><body>");

out.println("<p> </p>");

if(bOk==0)

out.println("<p align=center>" +

"<font face=楷体 size=5 color=#00FF00>新货未能添加成功</font><br><br>"+

"<a href=\"../AdminOperation.jsp?id=3\"><font face=楷体 size=4 color=blue>" +

"返回上一页</a></p>");

else

out.println("<p align=center>" +

"<font face=楷体 size=5 color=#00FF00>商品上架成功</font><br><br>"+

"<a href=\"../AdminOperation.jsp?id=3\"><font face=楷体 size=4 color=blue>" +

"继续添加</a></p>");

out.println("</body></html>");

}

public void doGet(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

doPost(request,response);

}

5.购物模块

5.1 文件名：CheckAddToCart.jsp

<%@ page contentType="text/html; charset=gb2312" import="java.sql.*"%>

<jsp:useBean id="sqlOperation" scope="page" class="cd.SqlOperation"></jsp:useBean>

<html>

<body>

if(session.getAttribute("account")==null)

out.println("<p align=center><font face=楷体 size=5 color=green>您尚未登录!</font><br><br>"+

"<a href=Login.html><font face=楷体 size=4 color=blue>跳转至登录界面>>></font></a></p>");

else

{

String name = new String(request.getParameter("name").getBytes("ISO-8859-1"));

int num = Integer.parseInt(request.getParameter("num"));

String username = new String(session.getAttribute("account").toString());

int totalmoney = Integer.parseInt(request.getParameter("totalmoney"));

int bOk = 0;

String strSql = "select * from ShoppingInfor where Uname='"+username+"' and Gname='"+name+"'";

ResultSet rs = sqlOperation.executeQuery(strSql);

if(rs.next())

{

int number = rs.getInt("Snum")+num;

int money = rs.getInt("Smoney")+totalmoney;

rs.close();

String sql = "update ShoppingInfor set Snum="+number+",Smoney="+money+

" where Uname='"+username+"' and Gname='"+name+"'";

bOk = sqlOperation.executeUpdate(sql);

}

else

{

String sql = "insert into ShoppingInfor values('"+username+"','"+name+"',"+num+

","+totalmoney+")";

bOk = sqlOperation.executeUpdate(sql);

}

if(bOk==0)

out.println("<p align=center><font face=楷体 size=5 color=green>操作失败!</font><br><br>"+

"<a href=\"GoodsInfor.jsp?choice=2&click="+request.getParameter("click")+

"&name="+name+"&num="+(num-1)+"\"><font face=楷体 size=4 color=blue><<<跳转至上一页"+

"</font></a></p>");

else

response.sendRedirect("ShoppingCart.jsp");

}

</body>

</html>

5.2 文件名:ShoppingCart.jsp

<%@ page contentType="text/html; charset=gb2312" import="java.sql.*" %>

<jsp:useBean id="sqlOperation" scope="page" class="cd.SqlOperation"/>

out.println("<html><head></head><body>");

out.println("<a href=" + "Welcome.jsp" + "><font size=2 color=red>【返回首页】</font></a>");

if(session.getAttribute("account")==null)

{

out.println("<p align=center><font face=楷体 size=4 color=blue>您还未登录，请登录后再点击!</font><br><br>");

out.println("<a href=" + "Login.html" + "><font size=3 color=green>跳转至登录界面</font></a></p>");

}

else

{

int record_count = 0;

String sql = "select count(*) from ShoppingInfor where Uname='"+session.getAttribute("account")+"'";

ResultSet rs = sqlOperation.executeQuery(sql);

if(rs.next())

{ record_count=rs.getInt(1); rs.close(); }

if(record_count>0)

{

int allexpense = 0;

out.println("<p align=center><font face=楷体 size=5 color=#00ff00>购物车所有商品</font></p>");

String strSql = "select GoodsInfor.*,Snum,Smoney from ShoppingInfor,GoodsInfor where GoodsInfor.Gname="+

"ShoppingInfor.Gname and ShoppingInfor.Uname='"+session.getAttribute("account")+"'";

rs = sqlOperation.executeQuery(strSql);

while(rs.next())

{

String name = rs.getString("Gname");

String price = rs.getString("Gmoney");

String kind = rs.getString("Gkind");

String producter = rs.getString("Gproducter");

String information = rs.getString("GInformation");

String picture = rs.getString("GPicture");

String num = rs.getString("Snum");

String totalmoney = rs.getString("Smoney");

allexpense += Integer.parseInt(totalmoney);

out.println("<hr width=540><table align=center><tr>");

if(picture.equals("暂无图片"))

out.println("<td rowspan=3><img src=\"picture/none.jpg\" height=80></img></td>");

else

out.println("<td rowspan=3><img src=\"picture/"+picture+".jpg\" height=80></img></td>");

out.println("<td><table>");

out.println("<tr><td width=150><font face=黑体 size=3>"+name+

"</font></td><td width=180><font face=黑体 size=3>单价:</font> "+

"<font face=黑体 size=3 color=red>"+price+"</font> <font face=黑体>元</font>"+

"</td><td align=left width=80><font face=黑体 size=3>"+kind+"</font></td></tr>");

out.println("<tr><td colspan=2><font size=2>"+information+

"</td><td align=center><a href=\"cd/ShoppingCartDeal?id=1"+

"&gname="+name+"\"><font face=幼圆 size=2 color=green>删除</font></a></td></tr>");

out.println("<tr><td><font face=楷体 size=4>"+producter+"</font></td><td>"+

"<a href=\"cd/ShoppingCartDeal?id=2&gname="+name+"&price="+price+"&num="+num+

"\"><img src=\"picture/jianhao.jpg\"></img></a>"+" <input type=text name=number size=3 "+

"style=\"vertical-align:top\" value="+num+" readonly> "+

"<a href=\"cd/ShoppingCartDeal?id=3&gname="+name+"&price="+price+"&num="+num+

"\"><img src=\"picture/jiahao.jpg\"></img></a></td><td><font face=黑体 size=3 color=red>"+

"￥: "+totalmoney+" 元</font></td></tr>");

out.println("</table></td></tr>");

out.println("</table><hr width=540>");

}

out.println("<p align=center><font face=黑体 size=5 color=#ff0000>小计("+

record_count+"种商品): "+allexpense+" 元</font></p>");

rs.close();

}

else

{

out.println("<p align=center><font face=楷体 size=5 color=#00ff00>购物车为空</font></p>");

out.println("<p align=center><a href=Welcome.jsp><font size=3 color=#0000ff>快去选购吧!</font></a></p>");

}

out.println("</body></html>");

5.3.文件名:ShoppingCartDeal.java

package cd;

import java.io.*;

import java.sql.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class ShoppingCartDeal extends HttpServlet

{

public void doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

String sql = null;

SqlOperation sqlOperation = new SqlOperation();

String uname = request.getSession().getAttribute("account").toString();

String gname = new String(request.getParameter("gname").getBytes("ISO-8859-1"));

if(request.getParameter("id").equals("1"))

sql = new String("delete from ShoppingInfor where Uname='"+uname+"' and Gname='"+gname+"'");

else

{

int price = Integer.parseInt(request.getParameter("price"));

int num = Integer.parseInt(request.getParameter("num"));

if(request.getParameter("id").equals("2")&&num!=1)

num--;

if(request.getParameter("id").equals("3"))

num++;

int money = num*price;

sql = new String("update ShoppingInfor set Snum="+num+",Smoney="+money+" where Uname='"+

uname+"' and Gname='"+gname+"'");

}

if(sqlOperation.executeUpdate(sql)==0)

{

out.println("<html><head></head><body>");

out.println("<p> </p><p align=center><font face=楷体 size=5 color=green></font></p>");

out.println("</body></html>");

}

else

response.sendRedirect("../ShoppingCart.jsp");

sqlOperation.close();

}

public void doGet(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

doPost(request,response);

}

6.数据库操作模块

6.1 文件名：SqlOperation.java

package cd;

import java.sql.*;

publicclass SqlOperation

{

Statement stm = null;

Connection con = null;

//注册驱动连接数据库，返回一个连接对象

public SqlOperation()

{

String JDriver = "sun.jdbc.odbc.JdbcOdbcDriver";

String conUrl = "jdbc:odbc:JSP";

try{

Class.forName(JDriver);

con = DriverManager.getConnection(conUrl);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

//执行插入、删除及更新操作

publicint executeUpdate(String sql)

{

int i = 0;

try{

stm = con.createStatement();

i = stm.executeUpdate(sql);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

return i;

}

//执行查询操作，返回一个结果集对象

public ResultSet executeQuery(String sql)

{

ResultSet rs = null;

try{

stm = con.createStatement();

rs = stm.executeQuery(sql);

}

catch(Exception e)

{

System.err.println(e.getMessage());

}

return rs;

}

//关闭各种连接

publicvoid close()

{

try{

stm.close();

con.close();

}

catch(Exception e)

{

e.printStackTrace();

}

7.退出模块

7.1 文件名：Quit.java

package cd;

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class Quit extends HttpServlet

{

public void doPost(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html; charset=gb2312");

PrintWriter out = response.getWriter();

request.getSession().setAttribute("account",null);

response.sendRedirect("../Welcome.jsp");

}

public void doGet(HttpServletRequest request,HttpServletResponse response)

throws ServletException,IOException

{

doPost(request,response);

}

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