如何使用JSP+MySQL创建留言本(二)
2016-01-29 12:07
如何使用JSP+MySQL创建留言本(二),如何使用JSP+MySQL创建留言本(二)
下面列出显示留言的主要程序
<%@page import="java.sql.*"
import ="java.util.*"
import ="java.io.*"
contentType="text/html; charset=gb2312"
%
<html
<head
<title萍慧自由空间留言本</title
<meta name="GENERATOR" content="Microsoft FrontPage 4.0"
<meta name="ProgId" content="FrontPage.Editor.Document"
<style type="text/css"<!--
body { font-size: 9pt}
td { font-size: 9pt}--
</style
</head
<body
<p align="center"<u<font size="5" face="华文新魏"萍慧自由空间留言本</font</u</p
<table width="75%" border="1" bgcolor="#FFCCFF" bordercolorlight="#0000FF"
bordercolordark="#6666FF" cellpadding="0" cellspacing="0" align="center"
<tr
<td colspan="5" height="202"
<%//下面处理用户的分页请求
String string_page;
int Page,RecoderPage,RecoderRow;
try{string_page=request.getParameter("page");
}catch (NullPointerException e){string_page="";}
try{Page=Integer.parseInt(string_page);
}catch(NumberFormatException e)
{Page=0;
}
java.sql.Connection sqlConn; //数据库连接对象
java.sql.Statement sqlStmt; //语句对象
java.sql.ResultSet sqlRst; //结果集对象
//登记JDBC驱动对象
Class.forName ("org.gjt.mm.mysql.Driver").newInstance ();
//连接数据库
sqlConn= java.sql.DriverManager.getConnection ("jdbc:mysql://localhost/p","test","");
//创建语句对象
sqlStmt=sqlConn.createStatement
(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY);
//执行Sql语句
String sqlQuery="select count(*) from comment";
sqlRst=sqlStmt.executeQuery (sqlQuery);
sqlRst.next();
int count=sqlRst.getInt(1); //取得总的留言记录数
if (Page=0)RecoderPage=Page;//处理页面
else RecoderPage=0-Page*10;
if (RecoderPagecount/15){ RecoderPage=count/15; Page=RecoderPage; }//页面越界
RecoderRow=RecoderPage*15; //取得要显示的留言记录号
sqlQuery="select * from comment order by userid desc limit "+RecoderRow+",15;"; //一次读取15条记录
sqlRst=sqlStmt.executeQuery (sqlQuery);
% 总共有<%=count%条留言
<% while (sqlRst.next()) //显示留言
{ //取得下一条记录 % 第<%=sqlRst.getString("userid")%条
<table width="95%" border="1" cellspacing="1" cellpadding="1"
bordercolorlight="#6666FF" bordercolordark="#6666FF" bgcolor="#CCCCFF" align="center"
<tr
<td width="25%"昵称：<%=sqlRst.getString("username")%</td
<td width="25%"性别：<%=sqlRst.getString("sex")%</td
<td colspan="2" width="50%"地址：<%=sqlRst.getString("address") %</td
</tr
<tr
<td width="25%"电话：<%=sqlRst.getString("telnumber")%</td
<td width="25%"邮编：<%=sqlRst.getString("post")%</td
<td width="25%"OICQ：<%=sqlRst.getString("oicq")%</td
&nb
