/**
  * カートの中を確認
  * route --> /item/purchase
  */
 public function purchaseAction()
 {
     $this->_log->debug(__CLASS__ . ":" . __FUNCTION__ . " called:(" . __LINE__ . ")");
     $customerID = Auth::getUserID();
     $params = $this->getPostList();
     if (count($params) == 0) {
         $this->_log->debug("パラメータがPOSTされていません.");
         $mapper = new Item();
         $cartContent = $mapper->showCartContent($customerID);
         $this->_log->debug("カートの中身:" . print_r($cartContent, true));
         $this->setViewSearchlist($cartContent);
         return;
     }
     return;
 }