/**
  * 
  * 访问前判断是否登录
  */
 public function _initialize()
 {
     parent::_initialize();
     $user = session('user');
     if ($user == null) {
         $this->error("请重新登录!", U('Shop/Index/login'));
     }
 }
 protected function _initialize()
 {
     parent::_initialize();
     if (!session('?shoppingcart')) {
         session("shoppingcart", array());
     }
     $this->cart = session("shoppingcart");
 }
 protected function _initialize()
 {
     parent::_initialize();
     $showStartPage = true;
     $last_entry_time = cookie("last_entry_time");
     if (empty($last_entry_time)) {
         //一小时过期
         cookie("last_entry_time", time(), 3600);
         $last_entry_time = time();
     } elseif (time() - $last_entry_time < 20 * 60) {
         $showStartPage = false;
     } else {
         //一小时过期
         cookie("last_entry_time", time(), 3600);
     }
     $this->assign("showstartpage", $showStartPage);
 }
 protected function _initialize()
 {
     parent::_initialize();
 }