code: public static function render($dir, array $param = null,$cache = NULL,$ctime = NULL){
          $trace = debug_backtrace(1);
          self::$param = $param;
          $project = isset($trace['3']['args']['0']['0'])?$trace['3']['args']['0']['0']:'admin';
          self::ReloadConfig($project);
          self::setTemplate();
          self::setCache($cache,$ctime);
          self::setParam();
          self::setView($dir);
      }
docs: k::render('index',[
  'name' => 'zhang'
  ],true,3600)
  @author brain_yang <qiaopi520@qq.com>
  @name view
  @date: 2017年7月25日 下午8:35:21
  @author: brain_yang
  @param: $dir is view file
  @param: $param is array
  @param: $cache  Cache enabled  defaults to off
  @param: $ctime  cacheTime
  @return: