一个分页的论坛

-------------------------------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--------------------------
<STYLE>TD{FONT-FAMILY:"宋体";FONT-SIZE:13pt}BODY{FONT-FAMILY:"宋体";FONT-SIZE:13pt}SELECT{FONT-FAMILY:"宋体";FONT-SIZE:13pt}A{COLOR:blue;FONT-FAMILY:"宋体";FONT-SIZE:13pt;TEXT-DECORATION:none}</STYLE>
        <div> <p align=center><font size=14><b>网站完全手册</font></p>   </div>
<?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; $i<$totalpage; $i++) {
  if ($i!=$page) {
   echo "<a href=index.php?q=$i> $i</a>";
  } else {
   echo " $i";
  }
}
echo "]页-----------------------------<br>";   printf("<p align=right><a href=111.php>添加主题</a></p>");
echo "<br>";
   echo "<table width=700 hight=560 align=center  border=1 >";
    echo "<tr>";echo "<td align=center width=200 bgcolor=aaaaaa border=1 style=border: 1px solid rgb(3,2,1)>主题</td>";
                 echo "<td align=center width=200 bgcolor=aaaaaa border=1 style=border: 1px solid rgb(3,2,1)>电子邮件</td>";
                 echo "<td align=center width=80 bgcolor=aaaaaa border=1 style=border: 1px solid rgb(3,2,1)>呢称</td>";
                 echo "<td align=center width=60 bgcolor=aaaaaa border=1 style=border: 1px solid rgb(3,2,1)>回复</td>";
                 echo "<td align=center width=200 bgcolor=aaaaaa border=1 style=border: 1px solid rgb(3,2,1)>最后回复时间</td>";
                 echo "</tr>";
   for ($i=$start; $i<$end; $i++) {
          $id=$guestbook[$i][0];

  echo "<tr >";echo "<td  align=center width=200 bgcolor=bbbbbb border=0 style=border: 1px solid rgb(3,2,1)>";
  echo "<a href=444.php?id=$id>";echo $guestbook[$i][1]; echo "</a>"; echo "</td>";
   echo "<td align=center width=200 bgcolor=bbbbbb border=0 style=border: 1px solid rgb(3,2,1)>";
  echo "<a href=mailto:".$guestbook[$i][2].">";  echo $guestbook[$i][2];echo "</a>";echo "</td>";

   echo "<td align=center width=80 bgcolor=bbbbbb border=0 style=border: 1px solid rgb(3,2,1)>";
  echo $guestbook[$i][3]; echo "</td>";

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