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[摘要]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...
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">
<!--
.unnamed1 { font-size: 9pt; font-family: "宋体"}
.unnamed1 A {COLOR: #000088; FONT-SIZE: 9pt; TEXT-DECORATION: none; TEXT-TRANSFORM: none; font-family: "宋体"}
.unnamed1 A:hover {COLOR: #880000; FONT-SIZE: 9pt; TEXT-DECORATION: underline overline; font-family: "楷体_GB2312"}
.unnamed2 { font-size: 12px; color: #9933FF}
-->
</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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