discuz 自定义页面多选项

<?phpdefine('CURSCRIPT', 'about');define('CURMODULE', 'index');require './source/class/class_core.php';$discuz = & discuz_core::instance();$discuz->cachelist = $cachelist;$discuz->init();loadcache('diytemplatename');    if($_GET['v']==1 || empty($_G[gp_v]) ){        $navtitle = 标题1;    }elseif($_GET['v']==2){        $navtitle = 标题2;    }    elseif($_GET['v']==3){        $navtitle = 标题3;    }    elseif($_GET['v']==4){        $navtitle = 标题4;    }$metakeywords = '这里定义单页的关键词';$metadescription ='这里定义单页的描述内容';include template('diy:about/about');?>

{subtemplate common/header}<div id="pt" class="cl">    <div class="z">        <a href="index.php" class="nvhm">$_G[setting][bbname]</a><em>»</em>自定义页面    </div></div><style id="diy_style" type="text/css"></style><div id="ct" class="wp cl n">    <div class="mn">        <div class="bm" style="padding:0 15px;">            <ul class="tb cl">                <li <!--{if empty($_G[gp_v]) || $_G[gp_v] == '1'}-->class="a"<!--{/if}-->><a href="about.php?v=1">内容1</a></li>                <li <!--{if $_G[gp_v] == '2'}-->class="a"<!--{/if}-->><a href="about.php?v=2">内容2</a></li>                <li <!--{if $_G[gp_v] == '3'}-->class="a"<!--{/if}-->><a href="about.php?v=3">内容3</a></li>                <li <!--{if $_G[gp_v] == '4'}-->class="a"<!--{/if}-->><a href="about.php?v=4">内容4</a></li>            </ul>            <div class="datalist" style="margin:10px 0;">                <!--{if empty($_G[gp_v]) || $_G[gp_v] == '1'}-->                1                <!--{elseif $_G[gp_v] == '2'}-->                2                <!--{elseif $_G[gp_v] == '3'}-->                3                <!--{elseif $_G[gp_v] == '4'}-->                4                <!--{/if}-->            </div>        </div>    </div>          </div>{subtemplate common/footer}