📄 mainlogin.jsp
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<%@ page language="java" contentType="text/html;charset=gb2312" import="java.sql.*"%>
<jsp:useBean id="db" class="wssd.connectDB" />
<html>
<head>
<title>查看产品信息</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<link href="css/style.css" rel="stylesheet" type="text/css">
</head>
<body>
<center>
<%
int curPage = 0;
String spage = request.getParameter("page");
if(spage == null)
{
curPage = 1;
}
else
{
curPage = Integer.parseInt(spage);
curPage = curPage < 1 ? 1 : curPage;
}
ResultSet rs = null;
ResultSet rs1 = null;
int count = 0;
int pageMax = 4;
int pageCount = 0;
try
{
String sql = "select * from wssd_car";
rs = db.executeQuery(sql);
while(rs.next())
{
count ++ ;
}
rs = null;
rs = db.executeQuery(sql);
int i = 1;
while(rs.next())
{
if(i <= curPage * pageMax && i>(curPage-1) * pageMax)
{
%>
<table width="677" border="0">
<tr>
<td width="350" rowspan="2"><img src="pic/<%=rs.getString("mainPic")%>" width="350" height="200"></td>
<td width="317"><b>商品名称：</b><%=rs.getString("title")%></td>
</tr>
<tr>
<td height="183"><b>商品介绍：</b><%=rs.getString("introduction")%></td>
</tr>
<tr>
<td height="34">
<%
String id = String.valueOf(rs.getInt("id"));
sql = "select * from wssd_subshow where picid = "+id;
rs1 = db.executeQuery(sql);
while(rs1.next())
{
%>
<img src="pic/<%=rs1.getString("picaddress")%>" width="50" height="34">
<%
}
%>
</td>
<td><b>商品价格</b> <%="UKP:"+rs.getString("price")%></td>
</tr>
<tr>
<td align="center"><input type="button" class="commonbutton" value="加入购物车" onclick="window.open('shoppinglist.jsp?id=<%=id%>&action=add','','width=600,height=600')"></td>
<td> </td>
</tr>
</table>
<table>
<tr> </tr>
</table>
<%
}
if(i > curPage * pageMax)
{
break;
}
i++;
}
%>
<table width="677" border="0">
<tr>
<td align="center">
<%
if(curPage > 1)
{
%>
<a href="main.jsp?page=<%=curPage-1%>">上一页</a>
<%
}
else
{
%>
上一页
<%
}
%></td>
<td align="center">
<%
if(curPage < (count/pageMax + 1))
{
%>
<a href="main.jsp?page=<%=curPage+1%>">下一页</a>
<%
}
else
{
%>
下一页
<%
}
%></td>
<td align="center">共<%=(count/pageMax + 1)%>页</td>
</tr>
</table>
<%
}
catch(Exception e)
{
session.setAttribute("error","1");
session.removeAttribute("username");
}
finally
{
try
{
db.closeDB();
rs.close();
}
catch(Exception ee)
{
session.setAttribute("error","1");
session.removeAttribute("username");
}
}
%>
</center>
</body>
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