一个分页的论坛_PHP教程

-------------------------------论坛--------------------------
数据表
create table guest(id int not null auto_increment,primary key(id),title varchar(50),email varchar(30),homepage varchar(30),name varchar(30),text text,relay int,r_time date)

create table relay(id int not null auto_increment,primary  key(id),title int,email varchar(30),name varchar(30),text text)
-------------------------index.php--------------------------

        

$db =mysql_connect("localhost", "****","****");

mysql_select_db("****",$db);

@$result = mysql_query("SELECT * FROM guest order by id desc",$db);

$i=0;
while($myrow = mysql_fetch_row($result)) {
   $guestbook[$i][0] = $myrow[0];
  $guestbook[$i][1] = $myrow[1];
  $guestbook[$i][2] = $myrow[2];
  $guestbook[$i][3] = $myrow[4];
  $guestbook[$i][4]=$myrow[6];
  $guestbook[$i][5]=$myrow[7];
  $i++;
}                                                            //读入数组
mysql_close($db) ;

echo "-----------------------------共[";

if ($q!="") {
  $page = $q;
} else {
  $page = 0;
}

$i=count($guestbook);
$msgnum=20;   // 每页20笔
$start = $page * $msgnum;
$end = $start + $msgnum;
if ($end > $i) $end=$i;
$totalpage=$i/$msgnum;


for ($i=0; $i  if ($i!=$page) {
   echo " $i";
  } else {
   echo " $i";
  }
}
echo "]页-----------------------------
";   printf("

添加主题

");
echo "
";
   echo "";
    echo "";echo "";
                 echo "";
                 echo "";
                 echo "";
                 echo "";
                 echo "";
   for ($i=$start; $i          $id=$guestbook[$i][0];

  echo "";echo "";
   echo "";

   echo "";
   echo "";
   echo "";
   echo "";


}
     echo "

主题	电子邮件	呢称	回复	最后回复时间
";   echo "";echo $guestbook[$i][1]; echo ""; echo "	";   echo "";  echo $guestbook[$i][2];echo "";echo "	";   echo $guestbook[$i][3]; echo "	";   echo $guestbook[$i][4]; echo "	";   echo $guestbook[$i][5]; echo "

";

  echo "
";

printf("添加主题");


?>
------------------------------444.php--------------------------------

   
$db =mysql_connect("localhost", "****","****");

mysql_select_db("****",$db);

@$result = mysql_query("SELECT * FROM guest where id='$id'",$db);

   echo "";
$myrow = mysql_fetch_row($result);
echo "";echo ""; echo "";

    $msg=base64_decode($myrow[5]);

$msg = ereg_replace(" "," ",$msg);                            //空格处理
  $msg=nl2br($msg);                                               // 换行处理
  if ($myrow[3]!=""){$myrow[3]="$myrow[3]";}
  else
  {$myrow[3]="我还没在网上安家";}
echo ""; echo "";echo "";
   echo "";  echo "";
  echo "";echo ""; echo "";

   $num=$myrow[6];
   @$result1 = mysql_query("SELECT * FROM relay where title='$id' order by id desc",$db);
      $i=0;
while($myrow1 = mysql_fetch_row($result1)) {
  $guestbook[$i][0] = $myrow1[1];
  $guestbook[$i][1] = $myrow1[2];
  $guestbook[$i][2] = $myrow1[3];
  $guestbook[$i][3]=$myrow1[4];

  $i++;
}
mysql_close($db);

if ($q!="") {
  $page = $q;
} else {
  $page = 0;
}

$i=count($guestbook);
$msgnum=5;   // 每页5笔
$start = $page * $msgnum;
$end = $start + $msgnum;
if ($end > $i) $end=$i;
$totalpage=$i/$msgnum;




   for ($i=$start; $i          $t=$guestbook[$i][0];

  echo "";echo "";      echo "";
  echo ""; echo "";         echo "";
  echo ""; echo "";     echo "";
       $msg=base64_decode($guestbook[$i][3]);
   $msg = ereg_replace(" "," ",$msg);
  $msg=nl2br($msg);

echo "";   echo "";         echo "";
                                                                    }



    echo "

主题："; echo $myrow[1]; echo "

"; echo $msg;echo "

主页:"; echo $myrow[3]; echo "

";  echo "回复列表"; echo "

"; echo "Re:"; echo $myrow[1];  echo "

";   echo $guestbook[$i][2]; echo "

电子邮件：";   echo "";  echo $guestbook[$i][1];echo "";echo "

";   echo $msg; echo "

"; echo "
"; echo "
";   echo "-------------------------------共[";
     for ($i=0; $i  if ($i!=$page) {
   echo " $i";
  } else {
   echo  $i;
  }
}      echo "]页---------------------------------";       echo "
";
   echo "回复";echo "
";
    echo "浏览主题";
?>
--------------------------------333.php-----------------------------




     if (!$t){
             if ($text==""&$email==""&$name==""){echo "*必填";echo "返回"; }
             else {       if (eregi("^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}$",$email)){
$text = base64_encode($text);                                                                                 //检验邮件地址是否合法
$db =mysql_connect("localhost", "****","****");
    $time=date("y-m-d");
mysql_select_db("****",$db);
$sql="insert into relay values('','$title','$email','$name','$text')";

$result = mysql_query($sql);
$num=$num+1;
$sql="update guest set relay='$num',r_time='$time' where id='$title'";
$result=mysql_query($sql);
mysql_close();


echo "";


  }
else {  echo "邮件地址无效";  echo "返回";}
}     }
else
{  ?>  

    

  

    
   
    
    
  
    
    
    
  
    

    
  

  
    
    
  

  
    
  

呢称:*
邮件:*
内容:*	echo $text; ?>

      }

?>



-----------------------------------www.php--------------------------



if ($title!=""&$email!=""&$name!="")   {
          if (eregi("^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}$",$email)){
  $text = base64_encode($text);                                                              //检验邮件地址是否合法
$db =mysql_connect("localhost", "****","****");
  $time=date("y-m-d");
mysql_select_db("****",$db);
$sql="insert into guest values('','$title','$email','$homepage','$name','$text','','$time')";

$result = mysql_query($sql);mysql_close();



echo "";



  }
else
{ echo "邮件地址无效"; echo "返回";}      }

else {echo "*必填"; echo "返回";}

//mysql_close($db)
//printf("留言成功按此返回");
?>
   



--------------------------------111.php---------------------------

  
    
    
    
    
  
   
    
    
  
  
    
    
  
  
    
    
  

  
    
  

标题:*
邮件:*
主页：
呢称:*
内容：	echo $text; ?>

  

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