挑战最棒的留言本的源码（五）- PHP

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PHP 中的挑战最棒的留言本的源码（五）

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-13 浏览: 235 ::

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使用网络地址转换实现多服务器负载均衡屏蔽浏览器缓存另类方法

<html>
<title>留言本</title>
<body bgcolor=white>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">

</style>
</head>
<h1><center><font color="green" size=7>留言信息</font></center></h1>
<?php
require('config.php');
?>

<?php

$initial_record=0;
$sort_field='key_liuyan';
$sort_direction='DESC';
if (strlen($arr_request['initial_record']))
{
$initial_record=$arr_request['initial_record'];
$sort_field=$arr_request['sort_field'];
$sort_direction=$arr_request['sort_direction'];
}

$str_sql_all="select count(*) as number_of_records from $table_name ";
$result=mysql_db_query($db_name,$str_sql_all,$id_link);
if (!result)
{ affy_error_exit('SQL select execution has failed.');}
$record=@mysql_fetch_object($result);
$number_of_records=$record->number_of_records;
if (strlen($sort_field)==0)
{
$str_sql="select * from $table_name
limit $initial_record,$number_records_to_display ";
}
else
{
$str_sql="select * from $table_name order by $sort_field $sort_direction
limit $initial_record,$number_records_to_display ";
}

$result=mysql_db_query($db_name,$str_sql,$id_link);
if (!$result)
{ affy_error_exit('SQL select execution has failed.');}
$number_of_records_on_current_page=@mysql_num_rows($result);
if ($number_of_records<1)
{ echo '<p>表中没有数据!<p>';}
else
{
$next_index=$initial_record+$number_records_to_display;
if ($next_index>$number_of_records)
$next_index=$number_of_records;

$prev_index=$initial_record-$number_records_to_display;
if ($prev_index<0)
{
$prev_index=0;
}

}
echo "<center>";
echo "<table border=0><tr bgcolor=#f1f1f1><td width=24% align=left>";
if ($initial_record!=0)
{
$t1="initial_record=$prev_index";
$sort="sort_field=$sort_field";
$asc="sort_direction=$sort_direction";
echo "<a href="$PHP_SELF?$asc&$sort&$t1 ">";
echo "<<前 $number_records_to_display 条留言</a>";
}
else
{
echo "|前面没有留言了";
}
echo "</td><td width=52% align=center>";
$t2=$initial_record+1;
echo "本页显示第 <font color=green>$t2</font> 到 <font color=green>$next_index</font>
条留言,共<font color=blue>$number_of_records</font>条留言";
echo "</td><td width=24% align=right>";
if ($next_index!=$number_of_records)
{
$t1="initial_record=$next_index";
$sort="sort_field=$sort_field";
$asc="sort_direction=$sort_direction";
echo " <a href="$PHP_SELF?$asc&$sort&$t1 ">";
echo "后 $number_records_to_display 条留言>></a>";
}
else
{
echo "后面没有留言了|";
}
echo "</td></tr></table>";
echo "</center><p>";
?>
<center>
<a href=index.html><h4>[我也要留言]</h4></a>
<p>
<table border="0",width="95%" cellspacing="0" cellpadding="0">
<?php
for ($iindex=0;$iindex<$number_of_records_on_current_page;$iindex++)
{
$record=mysql_fetch_object($result);
require('display.inc');
}
?>
</table>
</center>
<p>
<?php
echo "<center>";
echo "<table border=0><tr><td>";
echo "转到第";
if (($number_of_records % $number_records_to_display)==0)
{
$number_of_pages=$number_of_records / $number_records_to_display;

}
else
{
$number_of_pages=($number_of_records-($number_of_records % $number_records_to_display))/$number_records_to_display+1;
}

$sort="sort_field=$sort_field";
$asc="sort_direction=$sort_direction";

for ($ii=1;$ii<=$number_of_pages;$ii++)
{
$yeshu=($ii-1)*$number_records_to_display ;
$t1="initial_record=$yeshu ";
if ($initial_record!=$yeshu)
{
echo "<a href="$PHP_SELF?$asc&$sort&$t1 ">";
echo "[ $ii ]</a>";
}
else
echo "[ $ii ]";

}

echo "页共<font color=blue> $number_of_pages </font>页";
echo "</td></tr></table>";
echo "</center><p>";
?>
<hr></hr>
<center>免费留言本由<a href="http://little.oso.com.cn" >小熊</a>提供技术支持</center>

</body>
</html>

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使用网络地址转换实现多服务器负载均衡屏蔽浏览器缓存另类方法

PHP 中的 挑战最棒的留言本的源码（五）

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PHP 中的挑战最棒的留言本的源码（五）