添加异步获取购物车数据的接口

Code Review By Rock Zhang

@@ -13,7 +13,6 @@ class ShoppingCartController extends AbstractAction
     /*
      * 购物车首页
      */
-
     public function indexAction()
     {
         $this->setTitle('购物车');
@@ -30,6 +29,26 @@ class ShoppingCartController extends AbstractAction
         // 渲染模板
         $this->_view->display('index', $data);
     }
+    /*
+     * 异步获取购物车数据
+     */
+    public function getCartDataAction()
+    {
+	    $result = array();
+
+	    if ($this->isAjax()) {
+		    $shoppingKey = Helpers::getShoppingKeyByCookie();
+		    $uid = $this->getUid(true);
+
+		    $result = CartModel::getCartData($uid, $shoppingKey);
+	    }
+
+	    if (empty($result)) {
+		    echo ' ';
+	    } else {
+		    $this->echoJson($result);
+	    }
+    }
 
 	/**
 	 * 购物车商品选择与取消