JSP教程第9讲笔记
继续开发网上购物商城
用户登录
显示用户订单
订单表的设计
发送电子邮件javaMail
购物流程设计
通过订单细节表，把订单表和商品表的多对多的关系，简化为一对多的关系，从而解决了数据冗余的问题。
完整的网上购物商城源码如下：
JSP部分
head.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
head>
<body>
<table width="80%" border="0.5" align="center">
<tr>
<td height="117" colspan="2" align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td width="21%" height="198">
<jsp:include flush="true" page="left.jsp">jsp:include>
td>
<td width="74%"><jsp:include flush="true" page="right.jsp">jsp:include>td>
tr>
<tr>
<td height="121" colspan="2" align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>td>
tr>
table>
body>
html>
head.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<table width="100%" border="0.5">
<tr>
<td height="10" colspan="3" bgcolor="#FF9999">td>
tr>
<tr>
<td width="26%" align="center"><img src="images/logo5.jpg" width="183" height="53" align="middle" />td>
<td width="40%" align="center" valign="middle"><img src="images/logo22.jpg" width="367" height="85" align="middle" />td>
<td width="13%" align="center" valign="middle" bordercolor="#FFFFFF"><p><img src="images/logo1.jpg" width="30" height="29" align="top" />【我的账号】p>
<p><img src="images/logo12.jpg" width="32" height="28" /><a href="ShoppingClServlet?type=show">【我的购物车】a>p>td>
tr>
<tr>
<td height="10" colspan="3" bgcolor="#FF99FF">td>
tr>
<tr>
<td colspan="3"><table width="100%" border="0.5" align="center">
<tr>
<td width="15%" align="center" class="navi">首页td>
<td width="13%" align="center"> td>
<td width="13%" align="center" class="navi">香港电影td>
<td width="13%" align="center"> td>
<td width="13%" align="center" class="navi">大陆电影td>
<td width="10%" align="center"> td>
<td width="11%" align="center" class="navi">关于我们td>
<td width="12%" align="center"> td>
tr>
table>td>
tr>
table>
tail.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<table width="100%" border="0" align="center">
<tr>
<td align="center" bgcolor="#FF6699" class="abc">合作伙伴：搜狐 网易 腾讯 新浪td>
tr>
<tr>
<td align="center" class="abc">地址：湖北省十堰市 客户热线：400-820-8820td>
tr>
<tr>
<td align="center" class="abc">邮编：100000 客服邮箱：[email protected]td>
tr>
<tr>
<td align="center" class="abc">Copyright 天马星空科技有限公司td>
tr>
table>
left.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<table width="100%" border="0.5" align="center">
<tr>
<td align="center" valign="middle"><table width="100%" border="0.5">
<tr>
<td align="center"><img src="images/9.jpg" width="276" height="50" />td>
tr>
<tr>
<td align="center">滚动的图片td>
tr>
table>td>
tr>
<tr>
<td valign="middle" bgcolor="#FF66FF"> td>
tr>
<tr>
<td valign="middle"><table width="100%" border="0.5">
<tr>
<td colspan="3" align="center"><img src="images/logo23.jpg" width="190" height="75" />td>
tr>
<tr>
<td align="center" class="abc">销量榜td>
<td align="center" class="abc">商品名称td>
<td align="center" class="abc">点击次数td>
tr>
<tr>
<td align="center" class="abc">1td>
<td align="center" class="abc"><a href="head.html">倚天屠龙记a>td>
<td align="center" class="abc">55td>
tr>
<tr>
<td align="center" class="abc">2td>
<td align="center" class="abc">西游记td>
<td align="center" class="abc">11td>
tr>
<tr>
<td align="center" class="abc">3td>
<td align="center" class="abc">笑傲江湖td>
<td align="center" class="abc">5td>
tr>
<tr>
<td align="center" class="abc">4td>
<td align="center" class="abc">西厢记td>
<td align="center" class="abc">4td>
tr>
<tr>
<td align="center" class="abc">5td>
<td align="center" class="abc">红楼梦td>
<td align="center" class="abc">3td>
tr>
<tr>
<td align="center" class="abc">6td>
<td align="center" class="abc">水浒传td>
<td align="center" class="abc">2td>
tr>
<tr>
<td align="center" class="abc">7td>
<td align="center" class="abc">射雕英雄传td>
<td align="center" class="abc">1td>
tr>
table>td>
tr>
table>
right.jsp
<%@ page language="java" import="java.util.*,com.tingwei.model.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
//使用GoodsBeanBO，完成分页（也可以先走servlet）
GoodsBeanBO gbb=new GoodsBeanBO();
String s_pageNow=(String)request.getAttribute("pageNow");
int pageSize=9;
int pageNow=1;
if(s_pageNow!=null)
{
pageNow=Integer.parseInt(s_pageNow);
}
//默认显示第一页
ArrayList al=gbb.getGoodsByPage(pageSize,pageNow);
//得到总共有多少页
int pageCount=gbb.getPageCount(pageSize);
%>
<table width="80%" border="0.5" align="center">
<tr valign="middle">
<td colspan="3" align="center" class="abc"><img src="images/logo24.jpg" width="203" height="47" />td>
tr>
<tr>
<td
width="32%" align="center" valign="middle" class="abc"><p><img src="images/<%=((GoodsBean)al.get(0)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(0)).getGoodsId() %>"><%=((GoodsBean)al.get(0)).getGoodsName() %>a>
td>
<td width="30%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(1)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(1)).getGoodsId() %>"><%=((GoodsBean)al.get(1)).getGoodsName() %>a>
td>
<td width="38%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(2)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(2)).getGoodsId() %>"><%=((GoodsBean)al.get(2)).getGoodsName() %>a>
td>
tr>
<tr>
<td
width="32%" align="center" valign="middle" class="abc"><p><img src="images/<%=((GoodsBean)al.get(3)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(3)).getGoodsId() %>"><%=((GoodsBean)al.get(3)).getGoodsName() %>a>
td>
<td width="30%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(4)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(4)).getGoodsId() %>"><%=((GoodsBean)al.get(4)).getGoodsName() %>a>
td>
<td width="38%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(5)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(5)).getGoodsId() %>"><%=((GoodsBean)al.get(5)).getGoodsName() %>a>
td>
tr>
<tr>
<td
width="32%" align="center" valign="middle" class="abc"><p><img src="images/<%=((GoodsBean)al.get(6)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(6)).getGoodsId() %>"><%=((GoodsBean)al.get(6)).getGoodsName() %>a>
td>
<td width="30%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(7)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(7)).getGoodsId() %>"><%=((GoodsBean)al.get(7)).getGoodsName() %>a>
td>
<td width="38%" align="center" class="abc"><p><img src="images/<%=((GoodsBean)al.get(8)).getPhoto() %>" width="100" height="100" />p>
<a href="ShowGoodsClServlet?type=showItem&id=<%=((GoodsBean)al.get(8)).getGoodsId() %>"><%=((GoodsBean)al.get(8)).getGoodsName() %>a>
td>
tr>
<tr>
<td colspan="3" align="center">
<%if(pageNow!=1){%><a href="ShowGoodsClServlet?type=fenye&pageNow=<%=pageNow-1%>">上一页a> <%}%>
<% for(int i=1;i<=pageCount;i++){
%>
<a href="ShowGoodsClServlet?type=fenye&pageNow=<%=i %>">[<%=i %>]a>
<%
}
%>
<%if(pageNow!=pageCount){%><a href="ShowGoodsClServlet?type=fenye&pageNow=<%=pageNow+1%>">下一页a> <%}%>
td>
tr>
table>
showItem.jsp
<%@ page language="java" import="java.util.*,com.tingwei.model.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
//取出要显示的信息
GoodsBean gb=(GoodsBean)request.getAttribute("goodsInfo");
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'showItem.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
<script type="text/javascript">
//响应返回购物大厅事件
function returnHall(){
window.open("index.jsp","_self");
}
//响应点击购买货物的事件，用此函数检测window.alert(goodsId);
function addGoods(goodsId){
window.open("ShoppingClServlet?type=addGoods&goodsId="+goodsId,"_self");
}
script>
head>
<body>
<center>
<table width="80%" border=0 align="center">
<tr>
<td align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td height="309" align="center">
<table width="100%" border="1px">
<tr>
<td colspan="2"> td>
tr>
<tr>
<td width="25%" rowspan="7"><img src="images/<%=gb.getPhoto() %>" width="267" height="166" />td>
<td align="center"><%=gb.getGoodsName() %>td>
tr>
<tr>
<td align="left">价格：<%=gb.getGoodsPrice() %> td>
tr>
<tr>
<td align="left"> td>
tr>
<tr>
<td align="left">ISBN:<%=gb.getGoodsId()%>td>
tr>
<tr>
<td align="left">类型：<%=gb.getType() %>td>
tr>
<tr>
<td align="left">出版商:<%=gb.getPublisher() %>td>
tr>
<tr>
<td align="left">简介：<%=gb.getGoodsIntro() %>td>
tr>
<tr>
<td colspan="2"> td>
tr>
<tr>
<td height="43" colspan="2"><form id="form1" name="form1" method="post" action="返回购物大厅">
<label>
<input type="button" name="Submit" onclick="addGoods(<%=gb.getGoodsId() %>);" value="购买" />
label>
<input type="button" name="Submit2" onclick="returnHall();" value="返回购物大厅" />
form>
td>
tr>
table>td>
tr>
<tr>
<td height="22" align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>td>
tr>
table>
center>
body>
html>
showShoppingCar.jsp
<%@ page language="java" import="java.util.*,com.tingwei.model.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
//取出ArrayList里的购物信息
ArrayList al=(ArrayList)request.getAttribute("myCarInfo");
//从session中取出购物车
ShoppingBO sbo=(ShoppingBO)session.getAttribute("mycar");
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'showShoppingCar.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
<script type="text/javascript">
function delAll(){
window.open("ShoppingClServlet?type=delAll","-self");
}
script>
head>
<body>
<center>
<table width="80%" border="1" align="center">
<tr>
<td align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td align="center">
<form action="ShoppingClServlet?type=updateGoods" method="post">
<table width="100%" border="1">
<tr>
<td colspan="6" align="center"><img src="images/logo3.jpg" width="756" height="66" align="middle" />td>
tr>
<tr>
<td width="29%" align="center" valign="middle">编号td>
<td width="16%" align="center" valign="middle">书名td>
<td width="16%" align="center" valign="middle">单价td>
<td colspan="3" align="left" valign="middle">数量td>
tr>
<%
for(int i=0;i<al.size();i++){
GoodsBean gb=(GoodsBean)al.get(i);
%>
<tr>
<td align="center" valign="middle"><%=gb.getGoodsId() %>td>
<td align="center" valign="middle"><%=gb.getGoodsName() %>td>
<td align="center" valign="middle">￥<%=gb.getGoodsPrice() %>td>
<td width="13%" ><input type="hidden" name="goodsId" value="<%=gb.getGoodsId() %>"/>" size="7"/> td>
<td width="13%" ><a href="ShoppingClServlet?type=delGoods&goodsId=<%=gb.getGoodsId() %>">删除a>td>
<td width="13%" ><a href="ShowGoodsClServlet?type=showItem&id=<%=gb.getGoodsId() %>">查看a>td>
tr>
<%
}
%>
<tr>
<td align="center" valign="middle"> td>
<td align="center" valign="middle">
<input type="submit" name="Submit" onclick="delAll();" value="删除全部书籍" />
td>
<td align="center" valign="middle"> <input type="submit" name="Submit2" value="修改数量" />td>
<td colspan="3" align="center" valign="middle"> td>
tr>
<tr>
<td colspan="6" align="center" valign="middle"> td>
tr>
table>
form>
<tr>
<td height="20" colspan="2" align="left" valign="middle">您共选择了价值￥<font color=red><%=sbo.getTotalPrice() %>font>的商品，点击<a href="index.jsp">此处a>继续购物。td>
<td height="20" colspan="4" align="right" valign="middle"><a href="IsLoginServlet"><img src="images/logo25.jpg" width="85" height="30" />a>td>
tr>
table>
td>
tr>
<tr>
<td align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>
td>
tr>
table>
center>
body>
html>
userLogin.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'userLogin.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
head>
<body>
<center>
<table width="80%" border="1" align="center">
<tr>
<td align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td align="center"><table width="100%" border="1">
<tr>
<td align="center"><img src="images/logo3.jpg" width="756" height="66" />td>
tr>
<tr>
<td align="center">
<form action="LoginDealServlet" method="post">
<table width="40%" border="1" bordercolor="#6699CC">
<tr>
<td colspan="2" align="center"><img src="images/logo26.jpg" width="212" height="55" />td>
tr>
<tr>
<td align="right">用户名：td>
<td align="left"><input name="username" type="text" size="15" />td>
tr>
<tr>
<td align="right">密 码：td>
<td><input name="passwd" type="text" size="15" />td>
tr>
<tr>
<td align="right"><input type="submit" name="Submit" value="用户登录"/>td>
<td align="left"><input type="submit" name="Submit2" value="用户注册" />td>
tr>
table>
form>
td>
tr>
<tr>
<td align="right"><img src="images/logo25.jpg" width="85" height="30" />td>
tr>
table>td>
tr>
<tr>
<td align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>
td>
tr>
table>
center>
body>
html>
userInfo.jsp
<%@ page language="java" import="java.util.*,com.tingwei.model.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
UserBean ub=(UserBean)session.getAttribute("userInfo");
ArrayList al=(ArrayList)request.getAttribute("mycarInfo");
ShoppingBO sbo=(ShoppingBO)session.getAttribute("mycar");
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'userInfo.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
head>
<body>
<center>
<table width="80%" border="1" align="center">
<tr>
<td align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td align="center"><table width="100%" border="1">
<tr>
<td align="center"><img src="images/logo3.jpg" width="756" height="66" />td>
tr>
<tr>
<td align="center"><table width="70%" border="1" class="abc">
<tr>
<td colspan="2" align="center">购买人信息td>
tr>
<tr>
<td align="right">用户名：td>
<td align="left">
<input type="text" name="textfield" value="<%=ub.getUsername() %>"/>
td>
tr>
<tr>
<td align="right">*真实姓名td>
<td align="left"><input type="text" name="textfield2" value="<%=ub.getTruename() %>"/>td>
tr>
<tr>
<td align="right">*收获地址td>
<td align="left"><input type="text" name="textfield3" value="<%=ub.getAddress() %>"/>td>
tr>
<tr>
<td align="right">*联系电话td>
<td align="left"><input type="text" name="textfield4" value="<%=ub.getPhone() %>"/>td>
tr>
<tr>
<td align="right">*电子邮件td>
<td align="left"><input type="text" name="textfield5" value="<%=ub.getEmail() %>"/>td>
tr>
<tr>
<td align="right">*邮 编td>
<td align="left"><input type="text" name="textfield6" value="<%=ub.getPostcode() %>"/>td>
tr>
<tr>
<td align="right"><form id="form1" name="form1" method="post" action="">
<input type="submit" name="Submit" value="完成订单" />
form>
td>
<td align="left"><input type="submit" name="Submit2" value="修改个人信息" />td>
tr>
table>td>
tr>
<tr>
<td align="center"><table width="70%" border="1">
<tr>
<td colspan="4" align="center">我的购物车情况td>
tr>
<tr>
<td align="center">商品编号td>
<td align="center">商品名称td>
<td align="center">商品单价td>
<td align="center">商品数量td>
tr>
<%
for(int i=0;i<al.size();i++){
GoodsBean gb=(GoodsBean)al.get(i);;
%>
<tr>
<td align="center"><%=gb.getGoodsId() %>td>
<td align="center"><%=gb.getGoodsName() %>td>
<td align="center"><%=gb.getGoodsPrice() %>td>
<td align="center"><%=sbo.getGoodsNumById(gb.getGoodsId()+"") %>td>
tr>
<%
}
%>
<tr>
<td colspan="4" align="center">您一共购买了价值￥<%=sbo.getTotalPrice() %>的商品td>
tr>
<tr>
<td colspan="4" align="center"><a href="showShoppingCar.jsp">返回购物车a>td>
tr>
table>td>
tr>
<tr>
<td align="right"><img src="images/logo27.jpg" width="85" height="31" /><a href="OrderServlet"><img border="0" src="images/logo25.jpg" width="85" height="30" />a>td>
tr>
table>td>
tr>
<tr>
<td align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>
td>
tr>
table>
center>
body>
html>
shoppingOrder.jsp
<%@ page language="java" import="java.util.*,com.tingwei.model.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
OrderInfoBean oib=(OrderInfoBean)request.getAttribute("orderInfo");
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'shoppingOrder.jsp' starting pagetitle>
<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="mycss/Untitled-3.css">
head>
<body>
<center>
<table width="80%" border="1" align="center">
<tr>
<td align="center">
<jsp:include flush="true" page="head.jsp">jsp:include>
td>
tr>
<tr>
<td align="center"><table width="100%" border="1">
<tr>
<td colspan="9" align="center">图片td>
tr>
<tr>
<td colspan="9" align="center">订单详细信息td>
tr>
<tr>
<td align="center">订单号td>
<td align="center">收货人td>
<td align="center">收获地址td>
<td align="center">邮编td>
<td align="center">电话td>
<td align="center">总价td>
<td align="center">用户名td>
<td align="center">电子邮件td>
<td align="center"> td>
tr>
<tr>
<td align="center"><%=oib.getOrdersId() %>td>
<td align="center"><%=oib.getTruename() %>td>
<td align="center"><%=oib.getAddress() %>td>
<td align="center"><%=oib.getPostcode() %>td>
<td align="center"><%=oib.getPhone() %>td>
<td align="center"><%=oib.getTotalPrice() %>td>
<td align="center"><%=oib.getUsername() %>td>
<td align="center"><%=oib.getEmail() %>td>
<td align="center"><a href="userInfo.jsp">查看详情a>td>
tr>
<tr>
<td colspan="9" align="center">您的订单已完成，稍后将将发送邮件给您，并确认订单信息。td>
tr>
table>td>
tr>
<tr>
<td height="17" align="center">
<jsp:include flush="true" page="tail.jsp">jsp:include>
td>
tr>
table>
center>
body>
html>
Java模型部分
ConnDB.java
package com.tingwei.model;
import java.sql.*;
public class ConnDB {
private Connection ct=null;
public Connection getConn(){
try {
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
String url="jdbc:microsoft:sqlserver://127.0.0.1:1433;databaseName=testdb";
String user="sa";
String pass="tingwei";
ct=DriverManager.getConnection(url,user,pass);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return ct;
}
}
GoodsBean.java
package com.tingwei.model;
public class GoodsBean {
private long goodsId;
private String goodsName;
private String goodsIntro;
private float goodsPrice;
private int goodsNum;
private String publisher;
private String photo;
private String type;
public long getGoodsId() {
return goodsId;
}
public void setGoodsId(long goodsId) {
this.goodsId = goodsId;
}
public String getGoodsIntro() {
return goodsIntro;
}
public void setGoodsIntro(String goodsIntro) {
this.goodsIntro = goodsIntro;
}
public String getGoodsName() {
return goodsName;
}
public void setGoodsName(String goodsName) {
this.goodsName = goodsName;
}
public float getGoodsPrice() {
return goodsPrice;
}
public void setGoodsPrice(float goodsPrice) {
this.goodsPrice = goodsPrice;
}
public String getPhoto() {
return photo;
}
public void setPhoto(String photo) {
this.photo = photo;
}
public String getPublisher() {
return publisher;
}
public void setPublisher(String publisher) {
this.publisher = publisher;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public int getGoodsNum() {
return goodsNum;
}
public void setGoodsNum(int goodsNum) {
this.goodsNum = goodsNum;
}
}
GoodsBeanBO.java
//处理与goods表相关的操作
package com.tingwei.model;
import java.sql.*;
import java.util.ArrayList;
public class GoodsBeanBO {
private ResultSet rs=null;
private Connection ct=null;
private PreparedStatement ps=null;
//根据商品id显示商品信息的方法
public GoodsBean getGoodsBean(String id){
GoodsBean gb=new GoodsBean();
try {
ct=new ConnDB().getConn();
ps=ct.prepareStatement("select * from goods where goodsId=?");
ps.setString(1, id);//没看到很麻烦
rs=ps.executeQuery();
if(rs.next()){
gb.setGoodsId(rs.getInt(1));
gb.setGoodsName(rs.getString(2));
gb.setGoodsIntro(rs.getString(3));
gb.setGoodsPrice(rs.getFloat(4));
gb.setGoodsNum(rs.getInt(5));
gb.setPublisher(rs.getString(6));
gb.setPhoto(rs.getString(7));
gb.setType(rs.getString(8));
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}finally{
//关闭资源
this.close();
}
return gb;
}
/*
* 分页显示货物信息
* @parameter int pageSize;每页显示记录数
* @author someone
* @parameter int pageNow 显示第几页
* ctrl+shift+m自动引包
*/
public ArrayList getGoodsByPage(int pageSize,int pageNow){
ArrayList al=new ArrayList();
try {
ct=new ConnDB().getConn();
ps=ct.prepareStatement("select top "+pageSize+" * from goods where goodsId not in (select top "+(pageNow-1)*pageSize+" goodsId from goods)");
rs=ps.executeQuery();
while(rs.next()){
GoodsBean gb=new GoodsBean();
gb.setGoodsId(rs.getInt(1));
gb.setGoodsName(rs.getString(2));
gb.setGoodsIntro(rs.getString(3));
gb.setGoodsPrice(rs.getFloat(4));
gb.setGoodsNum(rs.getInt(5));
gb.setPublisher(rs.getString(6));
gb.setPhoto(rs.getString(7));
gb.setType(rs.getString(8));
al.add(gb); //very important,don't forget
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}finally{
this.close();
}
return al;
}
//得到总共有多少页
public int getPageCount(int pageSize){
int pageCount=0;
int rowCount=0;
try {
ct=new ConnDB().getConn();
ps=ct.prepareStatement("select count(*) from goods");
rs=ps.executeQuery();
if(rs.next()){
rowCount=rs.getInt(1);
if(rowCount%pageSize==0){
pageCount=rowCount/pageSize;
}else{
pageCount=rowCount/pageSize+1;
}
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return pageCount;
}
//关闭数据库方法
public void close(){
try {
if(rs!=null)rs.close();
if(ps!=null)ps.close();
if(ct!=null)ct.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
ShoppingBO.java
//处理与购物有关的逻辑
//添加商品、删除商品、清空商品、修改货物数量、显示已选商品清单
package com.tingwei.model;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.Iterator;
public class ShoppingBO {
private float totalPrice=0;//购物车商品总价
private ResultSet rs=null;
private Connection ct=null;
private PreparedStatement ps=null;
HashMap <String,String>hm=new HashMap<String,String>();//泛型，明确告诉编译器key值和value值都是String类型的
//添加商品
public void addGoods(String goodsId,String goodsNum){
hm.put(goodsId,goodsNum);
}
//删除商品
public void delGoods(String goodsId){
hm.remove(goodsId);
}
//清空商品
public void clearGoods(){
hm.clear();
}
//修改货物数量
public void updateGoods(String goodsId,String newNum){
hm.put(goodsId, newNum);
}
//显示已选商品清单
public ArrayList showMyCar(){
ArrayList <GoodsBean>al=new ArrayList<GoodsBean>();//明确告诉编译器，ArrayList放的是GoodsBean
try {
String sub="";
String sql="select * from goods where goodsId in";
//使用迭代器，完成从HashMap中取出货物id
Iterator it=hm.keySet().iterator();
sub="(";
while(it.hasNext()){
//取出goodsId
String goodsId=(String)it.next();
//判断goodsId是否是最后一个id
if(it.hasNext()){
sub+=goodsId+",";
}else{
sub+=goodsId+")";
}
}
sql+=sub;//不可少
System.out.println("执行的sql语句"+sql);
ct=new ConnDB().getConn();
ps=ct.prepareStatement(sql);
rs=ps.executeQuery();
//总价清空
this.totalPrice=0;
while(rs.next()){
GoodsBean gb=new GoodsBean();
int goodsId=rs.getInt(1);
gb.setGoodsId(goodsId);
gb.setGoodsName(rs.getString(2));
gb.setGoodsIntro(rs.getString(3));
gb.setGoodsPrice(rs.getFloat(4));
float unit=rs.getFloat(4);
gb.setGoodsNum(rs.getInt(5));
gb.setPublisher(rs.getString(6));
gb.setPhoto(rs.getString(7));
gb.setType(rs.getString(8));
this.totalPrice+=unit*Integer.parseInt(this.getGoodsNumById(goodsId+""));
al.add(gb);
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}finally{
this.close();
}
return al;
}
/*
* 根据商品id得到商品顾客选择的商品数量
* @param goodsId
* @return 商品数量
*/
public String getGoodsNumById(String goodsId){
return (String)hm.get(goodsId);
}
//返回购物车总价的方法,不必单独写，可以在showMyCar中使用现成的数据来计算
public float getTotalPrice(){
return this.totalPrice;
}
// 关闭数据库方法
public void close(){
try {
if(rs!=null)rs.close();
if(ps!=null)ps.close();
if(ct!=null)ct.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
UserBean.java
//表示users表
package com.tingwei.model;
public class UserBean {
private long userId;
private String username;
private String truename;
private String passwd;
private String email;
private String phone;
private String address;
private String postcode;
private int grade;
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public int getGrade() {
return grade;
}
public void setGrade(int grade) {
this.grade = grade;
}
public String getPasswd() {
return passwd;
}
public void setPasswd(String passwd) {
this.passwd = passwd;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getPostcode() {
return postcode;
}
public void setPostcode(String postcode) {
this.postcode = postcode;
}
public String getTruename() {
return truename;
}
public void setTruename(String truename) {
this.truename = truename;
}
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}
UserBeanBO.java
//表示对users表相关操作
package com.tingwei.model;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.PreparedStatement;
public class UserBeanBO {
private PreparedStatement ps=null; //PrepareStatement差不多，更快点
private Connection ct=null;
private ResultSet rs=null;
//得到用户信息
public UserBean getUserBean(String u){
UserBean ub=new UserBean();
try {
ct=new ConnDB().getConn();
ps=ct.prepareStatement("select top 1 * from users where username=?");
ps.setString(1, u);
rs=ps.executeQuery();
if(rs.next()){
ub.setUserId(rs.getLong(1));
ub.setUsername(rs.getString(2));
ub.setTruename(rs.getString(3));
ub.setPasswd(rs.getString(4));
ub.setEmail(rs.getString(5));
ub.setPhone(rs.getString(6));
ub.setAddress(rs.getString(7));
ub.setPostcode(rs.getString(8));
ub.setGrade(rs.getInt(9));
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return ub;
}
// 验证用户是否合法
public boolean checkUser(String u,String p){
boolean b=false;
try {
//到数据库去验证
ct=new ConnDB().getConn();
ps=ct.prepareStatement("select passwd from users where username='"+u+"'");
rs=ps.executeQuery();
if(rs.next()){
if(rs.getString(1).equals(p)){
b=true;
}
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}finally{
this.close();
}
return b;
}
public void close(){
try {
if(rs!=null)rs.close();
if(ps!=null)ps.close();
if(ct!=null)ct.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
OrderBean.java
package com.tingwei.model;
public class OrderBean {
private long ordersId;
private long userId;
private java.util.Date orderDate;
private String payType;
private byte isPayed;
private float totalPrice;
public byte getIsPayed() {
return isPayed;
}
public void setIsPayed(byte isPayed) {
this.isPayed = isPayed;
}
public java.util.Date getOrderDate() {
return orderDate;
}
public void setOrderDate(java.util.Date orderDate) {
this.orderDate = orderDate;
}
public long getOrdersId() {
return ordersId;
}
public void setOrdersId(long ordersId) {
this.ordersId = ordersId;
}
public String getPayType() {
return payType;
}
public void setPayType(String payType) {
this.payType = payType;
}
public float getTotalPrice() {
return totalPrice;
}
public void setTotalPrice(float totalPrice) {
this.totalPrice = totalPrice;
}
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
}
OrderBeanBO.java
package com.tingwei.model;
import java.sql.*;
import java.util.ArrayList;
public class OrderBeanBO {
private ResultSet rs=null;
private Connection ct=null;
private PreparedStatement ps=null;
/*
* 生产订单信息
* @param sbo用户购物车处理对象
* @param userId用户id
* @return OrderInfoBean
*/
public OrderInfoBean addOrder(ShoppingBO sbo,String userId){
OrderInfoBean oib=new OrderInfoBean();
boolean b=true;
try {
ct=new ConnDB().getConn();
ps=ct.prepareStatement("insert into orders (userId,isPayed,totalPrice) values(?,?,?)");
ps.setString(1, userId);
ps.setByte(2, (byte)0);
ps.setFloat(3, sbo.getTotalPrice());
if(ps.executeUpdate()==1){
ps=ct.prepareStatement("select max(ordersId) from orders");
rs=ps.executeQuery();
int orderId=0;
if(rs.next()){
orderId=rs.getInt(1);
}
//添加orderDetail表
//从购物车中取出商品
ArrayList al=sbo.showMyCar();
Statement sm=ct.createStatement();
for(int i=0;i<al.size();i++){
GoodsBean gb=(GoodsBean)al.get(i);
System.out.println("insert into orderDetail values('"+orderId+"','"+gb.getGoodsId()+"','"+sbo.getGoodsNumById(gb.getGoodsId()+"")+"')");
sm.addBatch("insert into orderDetail values('"+orderId+"','"+gb.getGoodsId()+"','"+sbo.getGoodsNumById(gb.getGoodsId()+"")+"')");
}
//执行批量添加任务
sm.executeBatch();
//多表查询
String sql="select ordersId,truename,address,postcode,phone,totalPrice,username,email from users,orders"+
" where ordersId=? and users.userId=(select orders.userId from orders where ordersId=?)";
ps=ct.prepareStatement(sql);
ps.setInt(1, orderId);
ps.setInt(2, orderId);
rs=ps.executeQuery();
if(rs.next()){
//将rs封装到OrderInfoBean 中
oib.setOrdersId(rs.getInt(1));
oib.setTruename(rs.getString(2));
oib.setAddress(rs.getString(3));
oib.setPostcode(rs.getString(4));
oib.setPhone(rs.getString(5));
oib.setTotalPrice(rs.getFloat(6));
oib.setUsername(rs.getString(7));
oib.setEmail(rs.getString(8));
}
}
} catch (Exception e) {
// TODO: handle exception
b=false;
e.printStackTrace();
}finally{
this.close();
}
if(b){
return oib;
}else{
return null;
}
}
//关闭数据库方法
public void close(){
try {
if(rs!=null)rs.close();
if(ps!=null)ps.close();
if(ct!=null)ct.close();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
OrderInfoBean.java
//详细的订单信息
package com.tingwei.model;
public class OrderInfoBean {
private int userId;
private String username;
private String truename;
private String address;
private String phone;
private String Email;
private String postcode;
private int grade;
private int ordersId;
private java.util.Date orderDate;
private String payType;
private byte isPayed;
private float totalPrice;
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public int getGrade() {
return grade;
}
public void setGrade(int grade) {
this.grade = grade;
}
public byte getIsPayed() {
return isPayed;
}
public void setIsPayed(byte isPayed) {
this.isPayed = isPayed;
}
public java.util.Date getOrderDate() {
return orderDate;
}
public void setOrderDate(java.util.Date orderDate) {
this.orderDate = orderDate;
}
public int getOrdersId() {
return ordersId;
}
public void setOrdersId(int ordersId) {
this.ordersId = ordersId;
}
public String getPayType() {
return payType;
}
public void setPayType(String payType) {
this.payType = payType;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getPostcode() {
return postcode;
}
public void setPostcode(String postcode) {
this.postcode = postcode;
}
public String getTruename() {
return truename;
}
public void setTruename(String truename) {
this.truename = truename;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getEmail() {
return Email;
}
public void setEmail(String email) {
Email = email;
}
public float getTotalPrice() {
return totalPrice;
}
public void setTotalPrice(float totalPrice) {
this.totalPrice = totalPrice;
}
}
第三部分 Servlet控制器
ShowGoodsClServlet.java
//此控制器用来处理主页面信息显示请求
package com.tingwei.servlet;
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;
import com.tingwei.model.*;
public class ShowGoodsClServlet 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");
response.setCharacterEncoding("utf-8");//设置编码别放错位置
PrintWriter out = response.getWriter();
//判断需要控制的类型
String type=request.getParameter("type");
if(type.equals("showItem")){
// 得到要显示的商品id
String goodsId=request.getParameter("id");
//调用BO
GoodsBeanBO gbb=new GoodsBeanBO();
GoodsBean gb=gbb.getGoodsBean(goodsId);
//把gb放入request
request.setAttribute("goodsInfo",gb);
request.getRequestDispatcher("showItem.jsp").forward(request, response);
}else if(type.equals("fenye")){
String pageNow=request.getParameter("pageNow");
//把pageNow放入request
request.setAttribute("pageNow", pageNow);
//跳转回购物大厅
request.getRequestDispatcher("index.jsp").forward(request, response);
}
}
/**
* The doPost method of the servlet.
*
* This method is called when a form has its tag value method equals to post.
*
* @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 doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}
ShoppingClServle.java
//此控制器用来处理购物操作请求
package com.tingwei.servlet;
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;
import com.tingwei.model.*;
import java.util.ArrayList;
public class ShoppingClServlet 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");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//得带type值，从而知道顾客需要的购物操作
String type=request.getParameter("type");
// 调用ShoppingBO，完成购物功能,??这里有问题，会造成有多个购物车，必须保证始终只有一个购物车，解决办法采用session
//1.先试图从session中取出一个购物车
ShoppingBO sbo=(ShoppingBO)request.getSession().getAttribute("mycar");
if(sbo==null){
//创建一个购物车，并放入session
sbo=new ShoppingBO();
request.getSession().setAttribute("mycar", sbo);
}
if(type.equals("addGoods")){
// 获得要购买的商品id
String goodsId=request.getParameter("goodsId");
sbo.addGoods(goodsId, "1");
}else if(type.equals("delGoods")){
//得到要删除的商品id
String goodsId=request.getParameter("goodsId");
//从购物车中删除
sbo.delGoods(goodsId);
}else if(type.equals("show")){
//do nothing
}else if(type.equals("delAll")){
sbo.clearGoods();
}else if(type.equals("updateGoods")){
//接收商品id
String goodsId[]=request.getParameterValues("goodsId");
String newNums[]=request.getParameterValues("newNums");
for(int i=0;i<goodsId.length;i++){
//测试是否得到
System.out.println("id=="+goodsId[i]+"数量="+newNums[i]);
sbo.updateGoods(goodsId[i], newNums[i]);
}
//sbo.updateGoods(goodsId, newNum)
}
// 把购物车的商品信息取出来，准备显示
ArrayList al=sbo.showMyCar();
//放入request中
request.setAttribute("myCarInfo", al);
//跳转到showShoppingCar.jsp
request.getRequestDispatcher("showShoppingCar.jsp").forward(request, response);
}
/**
* The doPost method of the servlet.
*
* This method is called when a form has its tag value method equals to post.
*
* @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 doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}
IsLoginServlet.java
//此控制器用来识别用户是否登录过
package com.tingwei.servlet;
import javax.servlet.http.*;
import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.ServletException;
import com.tingwei.model.*;
public class IsLoginServlet extends HttpServlet {
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws ServletException,IOException {
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
PrintWriter out=response.getWriter();
//验证用户
//1.看看session中是否存在用户登录信息
UserBean ub=(UserBean)request.getSession().getAttribute("userInfo");
if(ub==null){
request.getRequestDispatcher("userLogin.jsp").forward(request, response);
}else{
request.getRequestDispatcher("shoppingOrder.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request,HttpServletResponse response)
throws ServletException,IOException {
this.doGet(request, response);
}
}
LoginDealServlet.java
//此控制器用来处理验证用户登录请求
package com.tingwei.servlet;
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;
import com.tingwei.model.*;
import java.util.ArrayList;
public class LoginDealServlet 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");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
String u=request.getParameter("username");
String p=request.getParameter("passwd");
System.out.println("用户"+u);
UserBeanBO ubb=new UserBeanBO();
if(ubb.checkUser(u, p)){
//把登录成功的用户信息放入session
UserBean ub=ubb.getUserBean(u);
request.getSession().setAttribute("userInfo", ub);
//取出购物车中的商品信息
ShoppingBO sbo=(ShoppingBO)request.getSession().getAttribute("mycar");
ArrayList al=sbo.showMyCar();
request.setAttribute("mycarInfo", al);
request.getRequestDispatcher("userInfo.jsp").forward(request, response);
}else{
request.getRequestDispatcher("userLogin.jsp").forward(request, response);
}
}
/**
* The doPost method of the servlet.
*
* This method is called when a form has its tag value method equals to post.
*
* @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 doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}
OrderServlet.java
//此控制器用来处理订单生成请求
package com.tingwei.servlet;
import com.tingwei.model.*;
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 OrderServlet 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");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//处理完成订单，把订单写入数据库
OrderBeanBO obb=new OrderBeanBO();
//得到购物车
ShoppingBO sbo=(ShoppingBO)request.getSession().getAttribute("mycar");
long userId=((UserBean)request.getSession().getAttribute("userInfo")).getUserId();
OrderInfoBean oib=obb.addOrder(sbo, userId+"");
if(oib!=null){
//准备订单数据，做一个订单Bean
request.setAttribute("orderInfo", oib);
request.getRequestDispatcher("shoppingOrder.jsp").forward(request, response);
}else{
//添加订单失败
request.getRequestDispatcher("userInfo.jsp").forward(request, response);
}
}
/**
* The doPost method of the servlet.
*
* This method is called when a form has its tag value method equals to post.
*
* @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 doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}
第四部分 配置文件
WEB-INF/web.xml
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<description>This is the description of my J2EE componentdescription>
<display-name>This is the display name of my J2EE componentdisplay-name>
<servlet-name>ShowGoodsClServletservlet-name>
<servlet-class>com.tingwei.servlet.ShowGoodsClServletservlet-class>
servlet>
<servlet>
<description>This is the description of my J2EE componentdescription>
<display-name>This is the display name of my J2EE componentdisplay-name>
<servlet-name>ShoppingClServletservlet-name>
<servlet-class>com.tingwei.servlet.ShoppingClServletservlet-class>
servlet>
<servlet>
<description>This is the description of my J2EE componentdescription>
<display-name>This is the display name of my J2EE componentdisplay-name>
<servlet-name>IsLoginServletservlet-name>
<servlet-class>com.tingwei.servlet.IsLoginServletservlet-class>
servlet>
<servlet>
<description>This is the description of my J2EE componentdescription>
<display-name>This is the display name of my J2EE componentdisplay-name>
<servlet-name>OrderServletservlet-name>
<servlet-class>com.tingwei.servlet.OrderServletservlet-class>
servlet>
<servlet>
<description>This is the description of my J2EE componentdescription>
<display-name>This is the display name of my J2EE componentdisplay-name>
<servlet-name>LoginDealServletservlet-name>
<servlet-class>com.tingwei.servlet.LoginDealServletservlet-class>
servlet>
<servlet-mapping>
<servlet-name>ShowGoodsClServletservlet-name>
<url-pattern>/ShowGoodsClServleturl-pattern>
servlet-mapping>
<servlet-mapping>
<servlet-name>ShoppingClServletservlet-name>
<url-pattern>/ShoppingClServleturl-pattern>
servlet-mapping>
<servlet-mapping>
<servlet-name>IsLoginServletservlet-name>
<url-pattern>/IsLoginServleturl-pattern>
servlet-mapping>
<servlet-mapping>
<servlet-name>OrderServletservlet-name>
<url-pattern>/OrderServleturl-pattern>
servlet-mapping>
<servlet-mapping>
<servlet-name>LoginDealServletservlet-name>
<url-pattern>/LoginDealServleturl-pattern>
servlet-mapping>
<welcome-file-list>
<welcome-file>index.jspwelcome-file>
welcome-file-list>
web-app>
mycss/Untitled-3.css
.abc {
font-family: "新宋体";
font-size: 9px;
}
.navi {
font-family: "新宋体";
font-size: 12px;
background-color: #33FF00;
}
第五部分 sql语句
go
create database testdb
use testdb
--普通用户表users
create table users(
userId bigint primary key identity,--用户id
username varchar(30) not null unique,--用户名
truename varchar(30) not null,--真实姓名
passwd varchar(30) not null,--密码
email varchar(40) not null,--邮箱
phone varchar(20) not null,--手机号
address varchar(30) not null,--收获地址
postcode char(6) not null,--邮编
grade int default 1)--用户等级
--管理员表admin
--商品表
create table goods(
goodsId bigint primary key identity,--商品编号
goodsName varchar(40),--商品名称
goodsIntro varchar(500),--介绍
goodsPrice float,--价格
goodsNum int,--库存
publisher varchar(40),--出版社
photo varchar(40),--商品照片
type varchar(10),--商品种类
)
select *from goods
insert into goods values('《西游记》','讲述了唐僧师徒四人西天取经的故事',58,33,'中央电视台','01.jpg','大陆电视剧')
insert into goods values('《王者荣耀》','讲述了十个人游戏玩家的故事',58,33,'腾讯','02.jpg','国产游戏')
insert into goods values('《炉石传说》','讲述了炉石传说',99,33,'乐视','03.jpg','大陆电视剧')
insert into goods values('《肖申克的旧书》','讲述了肖申克二十年挖洞越狱的励志故事',58,33,'好莱坞','04.jpg','美国电影')
select *from users
insert into users values('YaLee','亚历','yali','[email protected]','153755','七星关中学','655223',2)
insert into users values('sunce','孙策','sunce','[email protected]','153755','琅琊路中学','655223',2)
--分页,若一页显示6条，排除0条选6条，即显示第一页
select top 6 * from goods where goodsId not in (select top 0 goodsId from goods);
--分页,若一页显示6条，排除6条选6条，即显示第二页
select top 6 * from goods where goodsId not in (select top 6 goodsId from goods);
update goods set photo='11.jpg' where goodsId=11
insert into goods(goodsName,goodsIntro,goodsPrice,goodsNum,publisher,photo,type)select goodsName,goodsIntro,goodsPrice,goodsNum,publisher,photo,type from goods
select * from goods where goodsId in(1,4);
use testdb
create table orders(
ordersId bigint primary identity(1,1),--订单号
userId bigint constraint fk_client_id,references users(userid),--哪个用户订的
orderDate datetime default getdate(),--下单时间
payType varchar(20) check(payType in('货到付款','支付宝付款'))default '货到付款',--付款方式
isPayed bit check (isPayed in(0,1)),--表示是否付款了
totalPrice float not null--数量
)
use testdb
--订单细节表
create table orderDetail(
ordersI bigint constraint fk_order_id references orders(ordersId),--订单号（并是一个外键）指向orders表
goodsId bigint constraint fk_goods_id references goods(goodsId),--商品号
nums int not null--数量
)
select * from orderDetail
select * from orders
select * from users
select passwd from users where username='sunce'
