请教上面这段登陆后台代码如何改成免登陆

请问下面这段登陆后台代码怎么改成免登陆
请问下面这段登陆后台代码怎么改成免登陆，就是打开这个文件就直接登陆，不用输入管理员帐号密码

PHP code

<!--

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--><?php define('SUB_DIR','/services');
session_start();
error_reporting(E_ALL ^ E_NOTICE);

if(!isset($_SESSION['adm_name']) || empty($_SESSION['adm_name']))
    exit;

//2011-01-30 update
$actions = array('clear','getuser','updategoods','updatesite');
if(isset($_REQUEST['action']))
{
    $action = strtolower($_REQUEST['action']);

    if(!in_array($action,$actions))
        exit;
}
else
    exit;

set_time_limit(3600);

if(function_exists('ini_set'))
    ini_set('max_execution_time',3600);

require '../core/service/fanwe.service.php';

if($action == 'clear')
{
    $fanwe = &FanweService::instance();
    //2011-01-30 update
    $fanwe->is_admin = true;
    $fanwe-&gt;is_session = false;
    $fanwe-&gt;is_user = false;
    $fanwe-&gt;is_cron = false;
    $fanwe-&gt;cache_list = array();
    $fanwe-&gt;initialize();

    include_once import('function/cache');
    updateCache();

    clearDir(FANWE_ROOT.'./public/tpl');
    clearDir(FANWE_ROOT.'./admin/Runtime');
    clearDir(FANWE_ROOT.'./update/Runtime');

    //include FANWE_ROOT.'./ThinkPHP/Vendor/bbs.php';
    //BBSAction::getInstance()-&gt;updateSetting();

    $result = array("status"=&gt;1,"info"=&gt;'清除成功',"data"=&gt;"");
    include import('class/json');
    $json = new JSON();
    die($json-&gt;encode($result));
}
//2011-01-30 update
elseif($action == 'updategoods')
{
    $fanwe = &amp;FanweService::instance();
    $fanwe-&gt;is_admin = true;
    $fanwe-&gt;is_session = false;
    $fanwe-&gt;is_user = false;
    $fanwe-&gt;is_cron = false;
    $fanwe-&gt;cache_list = array('goods');
    $fanwe-&gt;initialize();

    set_time_limit(0);

    global $_FANWE;

    $begin = isset($_FANWE['request']['begin']) ? intval($_FANWE['request']['begin']) : 0;
    $begin = max($begin,0);

    if($begin == 0)
    {
        DB::query("DELETE FROM ".DB::table('cron')." WHERE type='goods'");
        DB::query("TRUNCATE TABLE ".DB::table('goods_now'));
        DB::query('REPLACE INTO '.DB::table('goods_now').'(id, site_id, site_name, name, city, cate_id, url, click_count, best_count, collect_count, 

shop_price, market_price, begin_time, end_time, brief, sort, small_img, big_img, score, is_best, bought, collect_buy, ef_time, post_count, r_sort, cr_sort, 

add_time) SELECT g.id, g.site_id, site_name, name, g.city, g.cate_id, url, click_count, best_count, collect_count, shop_price, market_price, begin_time, 

g.end_time, brief, g.sort, small_img, big_img, score, is_best, bought, collect_buy, ef_time, post_count, g.r_sort, g.cr_sort, add_time FROM '.DB::table

('goods_key').' AS gk INNER JOIN '.DB::table('goods').' AS g ON g.id = gk.id WHERE g.status = 1 AND gk.end_time &gt; '.TIME_UTC);

        DB::query("TRUNCATE TABLE ".DB::table('goods_now_key'));
        DB::query('REPLACE INTO '.DB::table('goods_now_key').' SELECT id,site_id,city,cate_id,sort,r_sort,cr_sort,0,0,0,0,end_time FROM '.DB::table

('goods_now'));

        DB::query('DELETE FROM '.DB::table('goods_now_match').' 
            WHERE id NOT IN (SELECT id FROM '.DB::table('goods_now_key').')');
            
        DB::query('INSERT INTO '.DB::table('goods_now_match').' 
            SELECT gm.id,gm.content 
            FROM '.DB::table('goods_key').' AS gk 
            INNER JOIN '.DB::table('goods_match').' AS gm ON gm.id = gk.id 
            LEFT JOIN '.DB::table('goods_now_match').' AS gnm ON gnm.id = gk.id 
            WHERE gk.end_time &gt; '.TIME_UTC.' AND gnm.id IS NULL');

        $begin = 0;
    }

    $sort_sites = array();
    $res = DB::query('SELECT site_id FROM '.DB::table('goods_key').' WHERE end_time &gt; '.getTodayTime().' GROUP BY site_id');
    while($sid = DB::fetch($res))
    {
        $sort_sites[] = $sid['site_id'];
    }

    $data_num = count($sort_sites);
    echo "<script type='\"text/javascript\"'>document.write('数据表 goods_now 共 ".$data_num." 个站点<br/>');</script>"."\r\n";
    flush();
    ob_flush();

    if($data_num &gt; $begin)
    {
        $site_id = $sort_sites[$begin];

        echo "<script type='\"text/javascript\"'>document.write('开始更新数据表 goods_now 站点 ".($begin + 1)."<br/>');</script>"."\r\n";
        flush();
        ob_flush();

        DB::query('TRUNCATE TABLE '.DB::table('goods_temp'));
        DB::query('REPLACE INTO '.DB::table('goods_temp').'
                SELECT id, site_id, city, cate_id, sort, @sort:=@sort + 1 as r_sort,0,0,0,0,0,end_time
                FROM '.DB::table('goods_now_key').' FORCE INDEX (site),(SELECT @sort:=0) AS t
                WHERE site_id = '.$site_id.' ORDER BY sort ASC,id DESC');

        if(DB::affectedRows() &gt; 0)
        {
            $goods_cate_citys = array();
            $goods_cates = array();
            $goods_citys = array();
            $sql = '';
            $sql_jg = '';
            $res = DB::query('SELECT * FROM '.DB::table('goods_temp').' ORDER BY sort ASC,id DESC');
            while($goods = DB::fetch($res))
            {
                $cr_sort = 0;
                $d_sort = 0;
                $dc_sort = 0;
                $e_sort = 0;
                $ec_sort = 0;

                $city = $goods['city'];
                if(!isset($goods_citys[$city]))
                    $goods_citys[$city] = 0;
                $goods_citys[$city]++;
                $cr_sort = $goods_citys[$city];

                $cate_id = $goods['cate_id'];
                $cate = $_FANWE['cache']['goods']['cats'][$cate_id];
                if(!isset($goods_cates[$cate_id]))
                    $goods_cates[$cate_id] = 0;
                $goods_cates[$cate_id]++;

                if(!isset($goods_cate_citys[$cate_id][$city]))
                    $goods_cate_citys[$cate_id][$city] = 0;
                $goods_cate_citys[$cate_id][$city]++;

                $parent_id = $cate['pid'];
                if($parent_id &gt; 0)
                {
                    $e_sort = $goods_cates[$cate_id];
                    $ec_sort = $goods_cate_citys[$cate_id][$city];

                    if(!isset($goods_cates[$parent_id]))
                        $goods_cates[$parent_id] = 0;
                    $goods_cates[$parent_id]++;

                    $d_sort = $goods_cates[$parent_id];

                    if(!isset($goods_cate_citys[$parent_id][$city]))
                        $goods_cate_citys[$parent_id][$city] = 0;
                    $goods_cate_citys[$parent_id][$city]++;

                    $dc_sort = $goods_cate_citys[$parent_id][$city];
                }
                else
                {
                    $d_sort = $goods_cates[$cate_id];
                    $dc_sort = $goods_cate_citys[$cate_id][$city];
                }

                $sql .= "$sql_jg($goods[id],$goods[site_id], '$city', $cate_id, $goods[sort], $goods[r_sort], $cr_sort, $d_sort, $dc_sort, 

$e_sort, $ec_sort, $goods[end_time])";
                $sql_jg = ',';
            }

            if($sql != '')
            {
                DB::query('REPLACE INTO '.DB::table('goods_temp').' VALUES '.$sql);
                DB::query('REPLACE INTO '.DB::table('goods_now_key').' SELECT * FROM '.DB::table('goods_temp'));
            }
        }

        usleep(10);
        DB::query('TRUNCATE TABLE '.DB::table('goods_temp'));
        DB::query('REPLACE INTO '.DB::table('goods_temp').'
                SELECT id, site_id, city, cate_id, sort, @sort:=@sort + 1 as r_sort,0,0,0,0,0,end_time
                FROM '.DB::table('goods_key').' FORCE INDEX (site),(SELECT @sort:=0) AS t
                WHERE site_id = '.$site_id.' AND end_time &gt; '.getTodayTime().'
                ORDER BY sort ASC,id DESC');
        if(DB::affectedRows() &gt; 0)
        {
            $goods_cate_citys = array();
            $goods_cates = array();
            $goods_citys = array();
            $sql = '';
            $sql_jg = '';
            $res = DB::query('SELECT * FROM '.DB::table('goods_temp').' ORDER BY sort ASC,id DESC');
            while($goods = DB::fetch($res))
            {
                $cr_sort = 0;
                $d_sort = 0;
                $dc_sort = 0;
                $e_sort = 0;
                $ec_sort = 0;

                $city = $goods['city'];
                if(!isset($goods_citys[$city]))
                    $goods_citys[$city] = 0;
                $goods_citys[$city]++;
                $cr_sort = $goods_citys[$city];

                $cate_id = $goods['cate_id'];
                $cate = $_FANWE['cache']['goods']['cats'][$cate_id];
                if(!isset($goods_cates[$cate_id]))
                    $goods_cates[$cate_id] = 0;
                $goods_cates[$cate_id]++;

                if(!isset($goods_cate_citys[$cate_id][$city]))
                    $goods_cate_citys[$cate_id][$city] = 0;
                $goods_cate_citys[$cate_id][$city]++;

                $parent_id = $cate['pid'];
                if($parent_id &gt; 0)
                {
                    $e_sort = $goods_cates[$cate_id];
                    $ec_sort = $goods_cate_citys[$cate_id][$city];

                    if(!isset($goods_cates[$parent_id]))
                        $goods_cates[$parent_id] = 0;
                    $goods_cates[$parent_id]++;

                    $d_sort = $goods_cates[$parent_id];

                    if(!isset($goods_cate_citys[$parent_id][$city]))
                        $goods_cate_citys[$parent_id][$city] = 0;
                    $goods_cate_citys[$parent_id][$city]++;

                    $dc_sort = $goods_cate_citys[$parent_id][$city];
                }

 <div class="clear"></div>

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