dedecms地区联动搜索彻底解决办法

<?php 
require_once(dirname(__FILE__)."/../include/common.inc.php"); 
require_once(DEDEINC."/arc.searchview.class.php");
$pagesize = (isset($pagesize) && is_numeric($pagesize)) ? $pagesize : 10; 
$typeid = (isset($typeid) && is_numeric($typeid)) ? $typeid : 0; 
$nativeplace = (isset($nativeplace) && is_numeric($nativeplace)) ? $nativeplace : 0; 
$channeltype = (isset($channeltype) && is_numeric($channeltype)) ? $channeltype : 0; 
$kwtype = (isset($kwtype) && is_numeric($kwtype)) ? $kwtype : 1; 
$mid = (isset($mid) && is_numeric($mid)) ? $mid : 0;
if(!isset($orderby)) $orderby=”; 
else $orderby = eregi_replace(‘[^a-z]‘,”,$orderby);
if(!isset($searchtype)) $searchtype = ‘titlekeyword’; 
else $searchtype = eregi_replace(‘[^a-z]‘,”,$searchtype);
if(!isset($keyword)) $keyword = ”;
$oldkeyword = $keyword;
$keyword = FilterSearch(stripslashes($keyword));
//查找栏目信息 
if(empty($typeid)) 
{ 
    $typenameCacheFile = DEDEROOT.’/data/cache/typename.inc’; 
    if(!file_exists($typenameCacheFile) || filemtime($typenameCacheFile) < time()-(3600*24) ) 
    { 
        $fp = fopen(DEDEROOT.’/data/cache/typename.inc’, ‘w’); 
        fwrite($fp, "<"."?php\r\n"); 
        $dsql->SetQuery("Select id,typename From `dede_arctype`"); 
        $dsql->Execute(); 
        while($row = $dsql->GetArray()) 
        { 
            fwrite($fp, "\$typeArr[{$row['id']}] = ‘{$row['typename']}’;\r\n"); 
        } 
        fwrite($fp, ‘?’.’>’); 
        fclose($fp); 
    } 
    //引入栏目缓存并看关键字是否有相关栏目内容 
    require_once($typenameCacheFile); 
    if(isset($typeArr) && is_array($typeArr)) 
    { 
        foreach($typeArr as $id=>$typename) 
        { 
            $keywordn = str_replace($typename, ‘ ‘, $keyword); 
            if($keyword != $keywordn) 
            { 
                $keyword = $keywordn; 
                $typeid = $id; 
                break; 
            } 
        } 
    } 
}
$keyword = addslashes(cn_substr($keyword,30));
if($cfg_notallowstr !=” && eregi($cfg_notallowstr,$keyword)) 
{ 
    ShowMsg("你的搜索关键字中存在非法内容，被系统禁止！","-1"); 
    exit(); 
}
//if(($keyword==” || strlen($keyword)<0) && empty($typeid)) 
//{ 
//    ShowMsg(‘关键字不能小于2个字节！’,’-1′); 
//    exit(); 
/