建表：帖子表和回复表
create table thread( tid int not null auto_increment primary key, username varchar(20) not null default '', title varchar(40) not null default '', content text not null, pubtime int )engine myisam charset utf8; create table reply( rid int not null auto_increment primary key, tid int not null, username varchar(20) not null default '', content text not null, reptime int )engine myisam charset utf8;
贴吧首页
<?php
require("./include/init.php");
$sql="select tid,username,title,content,pubtime,(select count(*) from reply where reply.tid=thread.tid) as num from thread order by pubtime desc";
$list=getAll($sql,$conn);
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>自由发帖</title>
<link rel="stylesheet" type="text/css" href="./ind.css">
</head>
<body>
<div id="top">
<ul>
<li><a href="index.php">回到贴吧首页</a></li>
<!-- <li><a href="#">22222</a></li>
<li><a href="#">3333</a></li>
<li><a href="#">4444</a></li> -->
</ul>
</div>
<?php foreach($list as $k=>$v){ ?>
<div class="tiezi">
<div class="tie">
<i class="replynum"><?php echo $v["num"];?></i>
<h3 class="title"><a href=<?php echo 'chakan.php?tid='.$v['tid'];?>><?php echo $v["title"];?></a></h3>
<p class="content"><?php echo $v["content"];?></p>
<div class="info" style="100px;">
<li><span>发送人：</span><a href="#"><?php echo $v["username"];?></a></li>
<li><span>发送时间：</span><a href="#">
<?php
$ling=date("Y-m-d");
$tmp=strtotime($ling);
if($v["pubtime"]>=$tmp){
echo date("H:i",$v["pubtime"]);
}else{
echo date("m-d",$v["pubtime"]);
}
?>
</a></li>
</div>
</div>
</div>
<?php }?>
<div style="margin:0 auto; border:1px solid green; 1000px">
<form action="cunchu.php" method="post">
用户名：<input type="text" name="username"/><br/>
标题：<input type="text" name="title"/><br/>
内容：<textarea cols="30" rows="6" name="content"></textarea><br/>
<input type="submit" value="发送" />
</form>
</div>
</body>
</html>
css文件
*{
margin:0 auto;
padding: 0;
}
li{
list-style: none;
}
ul{
height:30px;
}
ul li{
list-style: none;
float: left;
margin-left: 30px;
border-right:1px solid gray;
}
a{
text-decoration: none;
}
a:hover{
text-decoration: block;
}
.tie{
}
#top{
margin-top: 80px;
/*background: blue;*/
1000px;
border:1px solid green;
}
/*帖子*/
.tiezi{
1000px;
border:1px solid green;
position: relative;
height:80px;
}
.replynum{
position: absolute;
top:10px;
left:20px;
40px;
height:30px;
background: #F7F7F7;
padding:2px 3px 2px 5px;
font-size: 17px;
}
.title{
position: absolute;
top:10px;
left:80px;
font-size: 25px;
color: #2D64B3;
500px;
}
.content{
font-size: 17px;
position: absolute;
top:40px;
left:80px;
500px;
}
.info{
position: absolute;
left:600px;
60px;
height:60px;
}
.info li a{
font-size: 12px;
margin-top: 5px;
}