这是 PHP 代码：

<?php
/**
* 内容列表
* content_s_list.php 、 content_i_list.php 、 content_select_list.php
* 均使用本文件作为实际处理代码，只是使用的模板不同，如有相关变动，只需改本文件及相关模板即可
*
* @version $Id: content_list.php 1 14:31 2010 年 7 月 12 日 Z tianya $
* @package DedeCMS.Administrator
* @copyright Copyright (c ) 2007 - 2010, DesDev, Inc.
* @license http://help.dedecms.com/usersguide/license.html
* @link http://www.dedecms.com
*/
require_once (dirname (__FILE__).'/config.php');
require_once (DEDEINC.'/typelink.class.php');
require_once (DEDEINC.'/datalistcp.class.php');
require_once (DEDEADMIN.'/inc/inc_list_functions.php');

$cid = isset ($cid ) ? intval ($cid ) : 0;
$channelid = isset ($channelid ) ? intval ($channelid ) : 0;
$mid = isset ($mid ) ? intval ($mid ) : 0;

if (!isset ($keyword )) $keyword = '';
if (!isset ($flag )) $flag = '';
if (!isset ($arcrank )) $arcrank = '';
if (!isset ($dopost )) $dopost = '';

//检查权限许可，总权限
CheckPurview ('a_List,a_AccList,a_MyList');

//栏目浏览许可
$userCatalogSql = '';
if (TestPurview ('a_List'))
{
;
}
else if (TestPurview ('a_AccList'))
{
if ($cid==0 && $cfg_admin_channel == 'array')
{
$admin_catalog = join (',', $admin_catalogs );
$userCatalogSql = " arc.typeid IN ($admin_catalog ) ";
}
else
{
CheckCatalog ($cid, '你无权浏览非指定栏目的内容！');
}
if (TestPurview ('a_MyList')) $mid = $cuserLogin->getUserID ();

}

$adminid = $cuserLogin->getUserID ();
$maintable = '#@__archives';
setcookie ('ENV_GOBACK_URL', $dedeNowurl, time ()+3600, '/');
$tl = new TypeLink ($cid );

//----------------------------------------
//在不指定排序条件和关键字的情况下直接统计微表
//----------------------------------------
if (empty ($totalresult ) && empty ($keyword ) && empty ($orderby ) && empty ($flag ))
{
$tinyQuerys = array ();

if (!empty ($userCatalogSql ))
{
$tinyQuerys[] = str_replace ('arc.', '', $userCatalogSql );
}

if (!empty ($channelid ) && empty ($cid ))
{
$tinyQuerys[] = " channel = '$channelid' ";
}
else
{
$tinyQuerys[] = " channel>0 ";
}

if (!empty ($arcrank ))
{
$tinyQuerys[] = " arcrank='$arcrank' ";
}
else
{
$tinyQuerys[] = " arcrank > -2 ";
}

if (!empty ($mid ))
{
$tinyQuerys[] = " mid='$mid' ";
}

if (!empty ($cid ))
{
$tinyQuerys[] = " typeid in (".GetSonIds ($cid ).") ";
}

if (count ($tinyQuerys )>0 )
{
$tinyQuery = "WHERE ".join (' AND ',$tinyQuerys );
}
// 缓存处理
$sql = "SELECT COUNT (*) AS dd FROM `#@__arctiny` $tinyQuery ";
$cachekey = md5 ($sql );
$arr = GetCache ('listcache', $cachekey );
if (empty ($arr ))
{
$arr = $dsql->GetOne ($sql );
SetCache ('listcache', $cachekey, $arr );
}
$totalresult = $arr['dd'];
}

if ($cid==0 )
{
if ($channelid==0 )
{
$positionname = '所有栏目&gt;';
}
else
{
$row = $tl->dsql->GetOne ("SELECT id,typename,maintable FROM `#@__channeltype` WHERE id='$channelid'");
$positionname = $row['typename']." &gt; ";
$maintable = $row['maintable'];
$channelid = $row['id'];
}
}
else
{
$positionname = str_replace ($cfg_list_symbol," &gt; ",$tl->GetPositionName ())." &gt; ";
}

//当选择的是单表模型栏目时，直接跳转到单表模型管理区
if (empty ($channelid )
&& isset ($tl->TypeInfos['channeltype']))
{
$channelid = $tl->TypeInfos['channeltype'];
}
if ($channelid < -1 )
{
header ("location:content_sg_list.php?cid=$cid&channelid=$channelid&keyword=$keyword");
exit ();
}


// 栏目大于 800 则需要缓存数据
$optHash = md5 ($cid.$admin_catalogs.$channelid );
$optCache = DEDEDATA."/tplcache/inc_option_$optHash.inc";

$typeCount = 0;
if (file_exists ($cache1 )) require_once ($cache1 );
else $cfg_Cs = array ();
$typeCount = count ($cfg_Cs );
if ( $typeCount > 800 )
{
if (file_exists ($optCache ))
{
$optionarr = file_get_contents ($optCache );
} else {
$optionarr = $tl->GetOptionArray ($cid, $admin_catalogs, $channelid );
file_put_contents ($optCache, $optionarr );
}
} else {
$optionarr = $tl->GetOptionArray ($cid, $admin_catalogs, $channelid );
}

$whereSql = empty ($channelid ) ? " WHERE arc.channel > 0 AND arc.arcrank > -2 " : " WHERE arc.channel = '$channelid' AND arc.arcrank > -2 ";

$flagsArr = '';
$dsql->Execute ('f', 'SELECT * FROM `#@__arcatt` ORDER BY sortid ASC');
while ($frow = $dsql->GetArray ('f'))
{
$flagsArr .= ($frow['att']==$flag ? "<option value='{$frow['att']}' selected>{$frow['attname']}</option>\r\n" : "<option value='{$frow['att']}'>{$frow['attname']}</option>\r\n");
}


if (!empty ($userCatalogSql ))
{
$whereSql .= " AND ".$userCatalogSql;
}
if (!empty ($mid ))
{
$whereSql .= " AND arc.mid = '$mid' ";
}
if ($keyword != '')
{
$whereSql .= " AND ( CONCAT (arc.title,arc.writer ) LIKE '%$keyword%') ";
}
if ($flag != '')
{
$whereSql .= " AND FIND_IN_SET ('$flag', arc.flag ) ";
}
if ($cid != 0 )
{
$whereSql .= ' AND arc.typeid IN ('.GetSonIds ($cid ).')';
}
if ($arcrank != '')
{
$whereSql .= " AND arc.arcrank = '$arcrank' ";
$CheckUserSend = "<input type='button' class='coolbg np' onClick=\"location='catalog_do.php?cid=".$cid."&dopost=listArchives&gurl=content_list.php';\" value='所有文档' />";
}
else
{
$CheckUserSend = "<input type='button' class='coolbg np' onClick=\"location='catalog_do.php?cid=".$cid."&dopost=listArchives&arcrank=-1&gurl=content_list.php';\" value='稿件审核' />";
}

$orderby = empty ($orderby ) ? 'id' : preg_replace ("#[^a-z0-9]#", "", $orderby );
$orderbyField = 'arc.'.$orderby;

$query = "SELECT arc.id,arc.typeid,arc.senddate,arc.flag,arc.ismake,
arc.channel,arc.arcrank,arc.click,arc.title,arc.color,arc.litpic,arc.pubdate,arc.mid
FROM `$maintable` arc
$whereSql
ORDER BY $orderbyField DESC";

if (empty ($f ) || !preg_match ("#form#", $f )) $f = 'form1.arcid1';

//初始化
$dlist = new DataListCP ();
$dlist->pageSize = 30;

//GET 参数
$dlist->SetParameter ('dopost', 'listArchives');
$dlist->SetParameter ('keyword', $keyword );
if (!empty ($mid )) $dlist->SetParameter ('mid', $mid );
$dlist->SetParameter ('cid', $cid );
$dlist->SetParameter ('flag', $flag );
$dlist->SetParameter ('orderby', $orderby );
$dlist->SetParameter ('arcrank', $arcrank );
$dlist->SetParameter ('channelid', $channelid );
$dlist->SetParameter ('f', $f );

//模板
if (empty ($s_tmplets )) $s_tmplets = 'templets/userinfo_list.htm';
$dlist->SetTemplate (DEDEADMIN.'/'.$s_tmplets );

//查询
$dlist->SetSource ($query );

//显示
$dlist->Display ();
// echo $dlist->queryTime;
$dlist->Close ();