挑战最棒的留言本的源码（五）

留言信息

      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 "本页显示第 $t2 到 $next_index 条留言,共$number_of_records条留言"; echo "

"; if ($next_index!=$number_of_records)   {      $t1="initial_record=$next_index";      $sort="sort_field=$sort_field";      $asc="sort_direction=$sort_direction";      echo "    ";      echo "后 $number_records_to_display 条留言>>";   }   else   {      echo "后面没有留言了|";   } echo "

";
echo "

";

?>

[我也要留言]

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

?>

echo "

";
echo "

"; 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 "";          echo "[ $ii ]";        }      else          echo "[ $ii ]"; } echo "页  共 $number_of_pages 页"; echo "

";
echo "

";

?>

---

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