调取源码：<?php
$this->getSystemSettings();

$sql="select * from {$this->prename}members where ";
if($_GET['username'] && $_GET['username']!='用户名'){
$_GET['username']=wjStrFilter($_GET['username']);
if(!ctype_alnum($_GET['username'])) throw new Exception('用户名包含非法字符,请重新输入');
// 按用户名查找时
// 只要符合用户名且是自己所有都可查询
// 用户名用模糊方式查询
$sql.="username like '%{$_GET['username']}%' and concat(',',parents,',') like '%,{$this->user['uid']},%'";
}else{
unset($_GET['username']);
switch($_GET['type']){
case 0:
// 所有人
$sql.="concat(',',parents,',') like '%,{$this->user['uid']},%'";
break;
case 1:
// 我自己
$sql.="uid={$this->user['uid']}";
break;
case 2:
// 直属
if(!$_GET['uid']) $_GET['uid']=$this->user['uid'];
$sql.="parentId={$_GET['uid']}";
break;
case 3:
// 所有
$sql.="concat(',',parents,',') like '%,{$this->user['uid']},%' and uid!={$this->user['uid']}";
break;
}
}

if($_GET['uid']=$this->user['uid']) unset($_GET['uid']);
$data=$this->getPage($sql, $this->page, $this->pageSize);
$params=http_build_query($_GET, '', '&');
//echo $params;
?>
<table width="100%" class='table_b'>
<thead>
<tr class="table_b_th">
<td>用户名</td>
            <td>用户类型</td>
           

<td>余额</td>
<td>状态</td>
<td>在线</td>
<td>Q Q</td>
<td>注册时间</td>
<td width="17%">操作</td>
</tr>
</thead>
<tbody class="table_b_tr">
<?php if($data['data']) foreach($data['data'] as $var){ ?>
 <?php $login=$this->getRow("select * from {$this->prename}member_session where uid=? order by id desc limit 1", $var['uid']);?>
<tr>
<td><?=$var['username']?></td>
            <td><?=$this->iff($var['type'],'代理','会员')?></td>
            <td><?=$var['fanDian']?>%</td>
<td><?=$var['fanDianBdw']?>%</td>
<td><?=$var['coin']?></td>

<td><?=$this->iff($var['enable'],'正常','冻结')?></td>
            <td><?=$this->iff($login['isOnLine'] && ceil(strtotime(date('Y-m-d H:i:s', time()))-strtotime(date('Y-m-d H:i:s',$login['accessTime'])))<$GLOBALS['conf']['member']['sessionTime'], '<font color="#FF0000">在线</font>', '离线')?></td>
<td><?=$this->iff($var['qq'],$var['qq'],'无')?></td>
<td><?=date('Y-m-d',$var['regTime'])?></td>
            <?php if($this->user['uid']!=$var['uid'] && $var['parentId']==$this->user['uid']){ ?>
<td><a href="/index.php/team/userUpdate/<?=$var['uid']?>" style="color:#333;" target="modal"  width="420" title="修改用户" modal="true" button="确定:dataAddCode|取消:defaultCloseModal">修改</a>&nbsp;&nbsp;
<?php if($this->settings['recharge']==1){?>
<a href="/index.php/team/userUpdate2/<?=$var['uid']?>" style="color:#333;" target="modal"  width="420" title="充值" modal="true" button="确定:dataAddCode|取消:defaultCloseModal">充值</a>&nbsp;&nbsp;
            <?}?>
<a class="caozuo" href="/index.php/team/searchMember?type=2&uid=<?=$var['uid']?>">查看</a></td>
            <?php }else{ ?>
            <td><a class="caozuo" href="/index.php/team/searchMember?type=2&uid=<?=$var['uid']?>">查看</a></td>
            <?php } ?>
</tr>
<?php } ?>
</tbody>
</table>
<?php
$this->display('inc_page.php',0,$data['total'],$this->pageSize, '/index.php/team/searchMember-{page}?'.$params);
?>






其他网站的样本源码：
<?php
$home_uid=$this->user['uid'];
$childrenarr=$this->getRows("SELECT username,coin,parents,uid FROM {$this->prename}members where concat(',',parents,',') like '%,{$home_uid},%' and uid!=?",$home_uid);
?>

<table width="900" border="0" cellspacing="0" cellpadding="0">
<thead>
<tr>
<td>用户名</td>
            <td>可用</td>
<td>最后登录</td>
</tr>
</thead>
<tbody class="table_b_tr">
<?php
$onlineNum = 0;
foreach($childrenarr as $var){
$login=$this->getRow("select * from {$this->prename}member_session where uid=? order by id desc limit 1", $var['uid']);
if($login['isOnLine'] && ($this->time-$login['accessTime']<900)){
$parents = explode(',',$var['parents']);
rsort($parents);
$index = 1;
foreach($parents as $key=>$var2){
$index++;
}
?>
<tr>
<td><?=$var['username']?></td>
<td><?=$var['coin']?></td>
<td><?=date('Y-m-d H:i:s', $login['loginTime'])?></td>
</tr>
<?php
$onlineNum++;
} }
?>
<tr><td colspan="4" align="left" style="color:#FF0000;">在线总数：<?=$onlineNum?>&nbsp人</td></tr>
</tbody>
</table>


小弟整了一天了都没有搞明白。本人php菜鸟不太懂。望高手，大神指点。小弟感激不尽。

什么问题，还有哪里不明白