Challenge the best guestbook source code (5)_PHP tutorial

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Release: 2016-07-21 16:03:55
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      require('config.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 '

表中没有数据!

';}
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 "

";
echo "
";

if ($initial_record!=0)
   {
     $t1="initial_record=$prev_index";
     $sort="sort_field=$sort_field";
     $asc="sort_direction=$sort_direction";
     echo "";
     echo "<<前 $number_records_to_display 条留言
";

   }

else
  {
     echo "|前面没有留言了";

  }

echo "
";

$t2=$initial_record+1;

echo "This page Showing comments from $t2 to $next_index
out of $number_of_records Leave a message";

echo "
";

if ($next_index!=$number_of_records)

{
$t1="initial_record=$next_index";
$sort="sort_field=$sort_field";
$asc="sort_direction=$sort_direction";
echo " ";
echo "Last $number_records_to_display messages>>
";
}
else
{
     echo "There is no message behind|";

 }

echo "
";
echo "

";

?>



[I want it too Message]





for ($iindex=0;$iindex<$number_of_records_on_current_page;$iindex++)
{
$record=mysql_fetch_object($result);
require(' display.inc');
}

?>




< ?php
echo "

";
echo "echo "

";

?>



The free guestbook is provided by Little Bear Technical support







[The copyright of this article is jointly owned by the author and Aosuo.com. If you need to reprint, please indicate the author and source]


http://www.bkjia.com/PHPjc/316159.html

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source:php.cn
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";
echo "Go to page";

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 "";
echo "[ $ii ]
";
}
else
echo "[ $ii ]";



}












echo "Pages of $number_of_pages pages";
echo "