一个分页的论坛_php基础

-------------------------------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--------------------------

网站完全手册

$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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