public static function eventPicSysPhoto(&$request)
{
//获取该分类的信息
$eventKey = $request['eventkey'];
$content = '收到弹出系统拍照发图的事件,您设置的key是' . $eventKey;
$content .= '。发送的图片信息:' . $request['sendpicsinfo'];
$content .= '。发送的图片数量:' . $request['count'];
$content .= '。图片列表:' . $request['piclist'];
$content .= '。图片的MD5值,开发者若需要,可用于验证接收到图片:' . $request['picmd5sum'];
return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
}