/**
* 获取下拉菜单
*/
public static function getNavDropdown()
{
$user = \Model\User::getCurrentUser();
$msgCount = \Model\Message::getMsgCount();
return !$user ? '' : <<<Dropdown
\t\t\t\t\t\t\t<ul class="nav pull-right">
\t\t\t\t\t\t\t\t<li class="dropdown">
\t\t\t\t\t\t\t\t\t<a href="javacript:;" class="dropdown-toggle" data-toggle="dropdown">{$user->user_name}<b class="caret"></b></a>
\t\t\t\t\t\t\t\t\t<ul class="dropdown-menu">
\t\t\t\t\t\t\t\t\t\t<li><a href="/app/user/index.php">用户中心</a></li>
\t\t\t\t\t\t\t\t\t\t<li><a href="/app/user/index.php#user-msg" id="msgbox" title="你有 {$msgCount} 条未读消息">消息( <b>{$msgCount}</b> )</a></i>\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t\t\t<li class="divider"></li>
\t\t\t\t\t\t\t\t\t\t<li><a href="/app/unuse/new.php">发表新闲置物品</a></li>
\t\t\t\t\t\t\t\t\t\t<li><a href="/app/require/new.php">发表新的需求</a></li>
\t\t\t\t\t\t\t\t\t\t<li class="divider"></li>
\t\t\t\t\t\t\t\t\t\t<li><a href="javascript:;" id="yike_logout">注销</a></li>
\t\t\t\t\t\t\t\t\t</ul>
\t\t\t\t\t\t\t\t</li>
\t\t\t\t\t\t\t</ul>
Dropdown;
}
