一个简洁的多级别论坛

站长资源 2024/11/25 佚名

2 0 1

本论坛总共用了不到200行代码，执行速度相当快。运行例子在：http://www.hnpts.ha.cn/forum
MYSQL数据库：yxforum
+-------+--------------+------+-----+---------+----------------+
| Field | Type         | Null | Key | Default | Extra          |
+-------+--------------+------+-----+---------+----------------+
| id    | int(11)      |      | PRI | 0       | auto_increment |
| dt    | datetime     | YES  |     | NULL    |                |
| tp    | varchar(255) | YES  |     | NULL    |                |
| ct    | text         | YES  |     | NULL    |                |
| fl    | int(11)      | YES  |     | NULL    |                |
| ip    | varchar(20)  | YES  |     | NULL    |                |
| un    | varchar(50)  | YES  |     | NULL    |                |
| em    | varchar(60)  | YES  |     | NULL    |                |
| num   | int(11)      | YES  |     | NULL    |                |
+-------+--------------+------+-----+---------+----------------+

index.php:

<html>
<head>
<style type="text/css">



</style>
</head>
<body bgcolor="#FFFFFF" text="#000000" link="#000066" vlink="#0000CC" alink="#000099">
<?$m=mysql_connect("localhost","××××","××××");
  mysql_select_db("××××",$m);
?>

<?if ($fl=="") $fl=1;
$hf_fl=$fl;
$q="select * from yxforum where id=".$fl;
$mr=mysql_query($q,$m);
$ra=mysql_fetch_row($mr);
?>
<p align=center><b><?print($ra[2]);?></b><br>
<?if ($fl!=1) {
?>
<small><?printf("(<a href=mailto:%s>%s</a>) ",$ra[7],$ra[6]);?>
</small></p>
<?$alltt=$ra[2];
   $lastid=$ra[4];
   print("<center><table width=90% border=1><tr><td bgcolor=#dddddd class=unnamed1>".$ra[3]."</tr></table></center>");
   print("<br><small>跟随主题：</small>");
   }

$q="select * from yxforum where fl=".$fl." order by dt desc";
  if ($p=="") $p=0;
  $mr=mysql_query($q,$m);
  $f=mysql_num_fields($mr);

$ra=mysql_fetch_row($mr);
$i=0; $p1=$p*15; /*跳过指定的页数对应的行*/
while ($i<$p1)
    {$i++;
     $ra=mysql_fetch_row($mr);
     if (! $ra) break;}


?>
<center>
  <table border=0 width=732 class="unnamed1">
    <tr align="center" valign="top" bgcolor="#FFFFCC">
      <td width="186" >最新回应时间
      <td width="88">发表人
      <td width="414">主题
      <td width="44">回应数
     </tr>
<?
  $x[0]="ffffcc";$x[1]="DEEFFF";$i=1;
  while  ($ra)  /*显示目前的主题*/
    {$ys_c=$i%2;
     print("<tr height=12 bgcolor=#".$x[$ys_c]."><td  align=center>".$ra[1]);
     print("<td align=center><a href=mailto:".$ra[7].">".$ra[6]."</a>");
     print("<td>");
     printf("<a href=index.php?fl=%s>%s</a>",$ra[0],$ra[2]);
     print("<td align=center>".$ra[8]);
     print("</tr>");
     $ra=mysql_fetch_row($mr);
     $i++;
     if ($i>15) break;
  }

?>
</table></center>
<form action=index.php method=get name=F0 onsubmit="document.F0.p.value--;return true;">
<span class=unnamed1>
<?
$alllines=mysql_affected_rows($m);
$pages=$alllines/15;
if ($pages-intval($pages)!=0) $pages=intval($pages)+1;
    else $pages=intval($pages);
print("共".$pages."页第".($p+1)."页 ");

if ($p>0) {printf("<a href=index.php?fl=%s>首页</a> ",$hf_fl);
           printf("<a href=index.php?fl=%s&p=%d>上一页</a> ",$hf_fl,$p-1);}
if ($ra)  {printf("<a href=index.php?fl=%s&p=%d>下一页</a> ",$hf_fl,$p+1);
           printf("<a href=index.php?fl=%s&p=%d>末页</a> ",$hf_fl,$pages-1);}
?>指定第<input type=text size=2 name=p>页
</span>
<span class=unnamed1>
<?if ($hf_fl!=1)  {printf("<br><a href=index.php?fl=%s>上一级</a> ",$lastid);
                  print("<a href=index.php>最高级</a><br>");}
?>
</form><center>
<table width=80% bgcolor=#eeeeff><tr><td class=unnamed1>
<?print(($fl==1)?"加新贴：":"回应：");?>
<form action="addnew.php" method=post name="F1">
姓名：
    <input type="text" name="nm" size="15">
    <br>
    Email:
    <input type="text" name="em" size="45">
    <br>
    标题（必填）：
    <input type="text" name="tt" size="45" <?if ($fl!=1) print("value=回复：".$alltt);?> >
    <input type=hidden name="fl" value="<?print($hf_fl);?>">
    <input type=hidden name="p" value="<?print($p);?>">
     <br>
    正文（必填）： <br>

   <textarea name="zw" cols="50" rows="10"></textarea>
    <input type="submit" name="Submit" value="提交">
</form>
</tr></table></center>
<hr>
<center>自用论坛程序0.25版设计工具：PHP+MYSQL<br>
<a href=mailto:fhl@cgi.hnpts.ha.cn>古钺青剑</a> 制作<br><a href=http://www.fhlfox.dhs.org>逍遥飞狐多媒体作坊</a> 2000 </center>
</span>
</body>
</html>

addnew.php:

<?$m=mysql_connect("localhost","×××","×××××");
  mysql_select_db("×××××",$m);
  $zw=ereg_replace("<","<",$zw);
   $zw=ereg_replace(">",">",$zw);
$zw=ereg_replace("n","<br>",$zw);
   $zw=ereg_replace(" "," ",$zw);
   $tt=ereg_replace("<","<",$tt);
   $tt=ereg_replace(">",">",$tt);
     if ($nm=="") $nm="无名宝";
  if ($em=="") {$nm.="<-- 是一只没有MAIL的菜鸟";$em="No";}
  $err=strlen($tt)*strlen($zw);
  if ($err==0)
     $msg="<font color=red>不要偷懒嘛！把表格填完再提交不迟。</font>";
  else {$q="insert into yxforum (dt,tp,ct,fl,ip,un,em,num) values"
         ."(now(),"".$tt."","".$zw."",".$fl.","".$REMOTE_ADDR."","".$nm."","".$em."",0)";
        mysql_query($q,$m);

        $q="select num,fl from yxforum where id=".$fl;
        $fl_a=$fl;
        do { $mr=mysql_query($q,$m);
             $ra=mysql_fetch_row($mr);
             $num=$ra[0]+1;
             $q="update yxforum set dt=now(),num=".$num." where id=".$fl;
             $fl=$ra[1];
             mysql_query($q,$m);
             $q="select num,fl from yxforum where id=".$fl;
            } while ($fl>0);


   $msg="<font color=green>你的意见已经成功提交！</font>";
        }
?>
<html>
<head>
<script language="Javascript">
function go()
{document.location="index.php?fl=<?print($fl_a);?>&p=<?print($p)?>";
  }
</script>
<body onload="setTimeout('go()',3000);">
<?print($msg);?><br>
系统将在3秒钟以后自动返回。如果不能返回或者你着急，请按<a href=index.php?fl=<?print($fl_a);?>&p=<?print($p)?这里</a>
</body>

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