📄 index_show.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>
<%
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;
%>
<table>
<%
while(rs.next())
{
if(i <= curPage * pageMax && i>(curPage-1) * pageMax)
{
%>
<tr>
<td><font size="3"><b><%=rs.getString("title")%></b></font></td>
</tr>
<tr>
<td><%=db.DB2HTML(rs.getString("introduction"))%></td>
</tr>
<tr>
<td><%="￥:"+rs.getDouble("price")%></td>
</tr>
<tr>
<td colspan="5"><img src="../../pic/<%=rs.getString("mainPic")%>" width="300" height="200"></td>
</tr>
<tr>
<td colspan="3">
<%
sql = "select * from wssd_subshow where picid = "+String.valueOf(rs.getInt("id"));
rs1 = db.executeQuery(sql);
int j = 0;
while(rs1.next())
{
%>
<img src="../../pic/<%=rs1.getString("picaddress")%>" width="50" height="25">
<%
}
%>
</td>
</tr>
<tr>
<td> </td>
</tr>
<tr>
<td> </td>
</tr>
<%
}
if(i > curPage * pageMax)
{
break;
}
i++;
}
%>
<tr>
<td><%
if(curPage > 1)
{
%>
<a href="index_show.jsp?page=<%=curPage-1%>">上一页</a>
<%
}
%></td><td><%
if(curPage < (count/pageMax + 1))
{
%>
<a href="index_show.jsp?page=<%=curPage+1%>">下一页</a>
<%
}
%></td><td>共<%=(count/pageMax + 1)%>页</td>
</td>
</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");
}
}
%>
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