小型bbs论坛系统开发9 前台父板块列表页

<?php
include_once './inc/tool.inc.php';
include_once './inc/config.inc.php';
include_once './inc/mysql.inc.php';
include_once './inc/page.inc.php';
// 初始化网站标题/css
$webTitle = '父板块列表页';
$cssArray[] = 'public.css';
$cssArray[] = 'list.css';
//获取数据库连接
$link = sql_connect();
//验证登录状态
if(!$member_id=is_login($link)){
skip('login.php?url=index.php','error','请先登录！');
}
//验证父板块id是否合法,此处有个bug
if(!isset($_GET['id']) || !is_numeric($_GET['id'])){
skip('index.php','error','该父板块不存在！');
}
?>

<?php include_once './inc/header.inc.php'; ?>
<!-- 正文内容 -->
<?php
$query = "select * from sfk_father_module order by sort asc";
$result_father = sql_execute($link,$query);

$father_id_flag = -1;//验证父板块id是否存在的初始化变量
$moduleListHtml = "";//所有版块列表html代码的初始化变量
//获取所有父版块
while($data_father = mysqli_fetch_assoc($result_father)){
//如果取到当前父板块id
if($data_father['id'] == $_GET['id']){
//获取当前父板块名称
$father_name = $data_father['module_name'];
$query = "select * from sfk_son_module order by sort asc";
$result_this_son = sql_execute($link,$query);
$sonIdCollection = '-1,';//所有当前父板块下子版块的id集合的初始化变量
$father_id_flag = 1;
while($data_this_son = mysqli_fetch_assoc($result_this_son)){
if($data_this_son['father_module_id'] == $_GET['id']){
//获取当前父板块下所有子版块的名称
$data_this_son_name[] = $data_this_son['module_name'];
//获取当前父板块下所有子版块的id集合
$sonIdCollection .= $data_this_son['id'].',';
}
}

}
//获取所有子版块
$sonListHtml = "";//所有子版块列表html代码的初始化变量
$query = "select * from sfk_son_module where father_module_id = {$data_father['id']}";
$result_son = sql_execute($link,$query);
while($data_son = mysqli_fetch_assoc($result_son)){
//实际子版块列表html代码
$sonListHtml .="<ul><li><h3><a href='#'>{$data_son['module_name']}</a></h3></li></ul>";
}
//实际所有版块列表html代码
$moduleListHtml .= "<li>
<h2>
<a href='list_father.php?id={$data_father['id']}'>
{$data_father['module_name']}
</a>
</h2>{$sonListHtml}
</li>";
}
if($father_id_flag < 0){
skip('index.php','error','父板块id不存在！');
}

$sonIdCollection = rtrim($sonIdCollection,',');//处理子版块id集合前后的逗号。
//获取当前父板块下所有子版块的今日发帖总数
$query = "select count(*) from sfk_content where module_id in ({$sonIdCollection}) and time > curdate()";
$countToday = sql_num($link,$query);
//获取当前父板块下所有子版块的历史发帖总数
$query = "select count(*) from sfk_content where module_id in ({$sonIdCollection})";
$countAll = sql_num($link,$query);
?>

<div id="position" class="auto">
<a href = 'index.php'>首页</a> >
<a href = "list_father.php?id={$_GET['id']}"><?php echo $father_name; ?></a>
</div>
<div id="main" class="auto">
<div id="left">
<div class="box_wrap">
<h3><?php echo $data_father['module_name']; ?></h3>
<div class="num">
今日：<span><?php echo $countToday; ?></span>   
总帖：<span><?php echo $countAll; ?></span>
<div class="moderator">
子版块：
<?php
if(isset($data_this_son_name)){
foreach ($data_this_son_name as $value){
echo "<a href = '#'>$value</a> ";
}
}
?>
</div>
</div>
<div class="pages_wrap">
<a class="btn publish" href=""></a>
<div class="pages">
<?php
$data = page($countAll,3,5);
echo $data['html'];
?>
</div>
<div style="clear:both;"></div>
</div>
</div>
<div style="clear:both;"></div>
<ul class="postsList">
<!-- 帖子列表区域 -->
<?php
/*多表查询当前父板块下的用户名、帖子标题、帖子id、帖子发布时间、所属子版块、头像、浏览次数。
连接条件：
1/包含在当前父板块下的所有子版块;
2/帖子表包含的板块id与子版块的某个id一致;
3/帖子表包含的用户id与用户表的某个id一致。
避免笛卡尔集
尚未对最后回复时间、回复做出查询。
*/
$query = "select s_m.username,s_c.title,s_c.time,s_s_m.module_name,s_m.photo,s_c.times
from sfk_content s_c,sfk_member s_m,sfk_son_module s_s_m
where module_id in ({$sonIdCollection})
and s_c.module_id = s_s_m.id
and s_c.member_id = s_m.id {$data['limit']}";
$result_content = sql_execute($link,$query);
while($data_content = mysqli_fetch_assoc($result_content)){

?>
<li>
<div class="smallPic">
<a href="#">
<img width="45" height="45" src="<?php
if($data_content['photo'] != ''){
echo $data_content['photo'];
}else{
echo 'style/photo.jpg';
}?>"
>
</a>
</div>
<div class="subject">
<div class="titleWrap">
<a href="#">[<?php echo $data_content['module_name'] ?>]</a>  
<h2><a href="#"><?php echo $data_content['title'] ?></a></h2>
</div>
<p>
楼主：<?php echo $data_content['username'] ?> 
发表于：<?php echo $data_content['time'] ?> 
最后回复：2014-12-08 
</p>
</div>
<div class="count">
<p>
回复<br /><span>41</span>
</p>
<p>
浏览<br /><span><?php echo $data_content['times'] ?></span>
</p>
</div>
<div style="clear:both;"></div>
</li>
<?php } ?>
<!-- 帖子列表区域 结束-->
</ul>
<!-- <div class="pages_wrap">
<a class="btn publish" href=""></a>
<div class="pages">
<a>« 上一页</a>
<a>1</a>
<span>2</span>
<a>3</a>
<a>4</a>
<a>...13</a>
<a>下一页 »</a>
</div>
<div style="clear:both;"></div>
</div> -->
</div>
<div id="right">
<div class="classList">
<div class="title">版块列表</div>
<ul class="listWrap">
<?php

echo $moduleListHtml;
?>

</ul>
</div>
</div>
<div style="clear:both;"></div>
</div>

<!-- 正文结束 -->

<?php include_once './inc/footer.inc.php'; ?>