添加获取购物车数目接口

@@ -41,6 +41,8 @@ class CartModel
     }
 
     /**
+     * 获取购物车信息
+     *
      * @param integer $uid 用户ID
      * @param string $shoppingKey 未登录用户唯一识别码
      * @param string $cartType 购物车类型
@@ -97,6 +99,31 @@ class CartModel
     }
 
     /**
+     * 获取购物车商品数目
+     *
+     * @param integer $uid 用户ID
+     * @param string $shoppingKey 未登录用户唯一识别码
+     * @return array|mixed 购物车商品数目
+     */
+    public static function getCartCount($uid, $shoppingKey)
+    {
+        $result = array(
+            'code' => 200,
+            'data' => array(
+                'cart_goods_count' => 0
+            )
+        );
+
+        $carData = self::getCartData($uid, $shoppingKey);
+        if (isset($carData['commonGoodsCount'])) {
+            $result['data']['cart_goods_count'] = $carData['commonGoodsCount'] + $carData['presellGoodsCount'];
+        }
+
+        return $result;
+
+    }
+
+    /**
      * 购物车商品选择与取消接口返回的数据处理
      *
      * @param int $uid 用户ID
@@ -490,10 +517,18 @@ class CartModel
     {
         $result = array('code' => 400, 'message' => '出错啦~');
 
-        $coupon = CartData::searchCoupon($uid, $couponCode);
-        if ($coupon && isset($coupon['code'])) {
-            $result = $coupon;
-        }
+        do {
+            if (empty($couponCode)) {
+                $result['code'] = 401;
+                $result['message'] = '优惠券代码为空';
+                break;
+            }
+
+            $coupon = CartData::searchCoupon($uid, $couponCode);
+            if ($coupon && isset($coupon['code'])) {
+                $result = $coupon;
+            }
+        }while(0);
 
         return $result;
     }

@@ -49,6 +49,7 @@ class IndexController extends AbstractAction
         // 渲染模板
         $this->_view->display('index', $data);
     }
+
     /*
      * 异步获取购物车数据
      */
@@ -71,6 +72,22 @@ class IndexController extends AbstractAction
     }
 
     /**
+     * 异步获取购物车商品数目
+     */
+    public function countAction()
+    {
+        $result = array();
+
+        if ($this->isAjax()) {
+            $uid = $this->getUid(true);
+            $shoppingKey = Helpers::getShoppingKeyByCookie();
+            $result = CartModel::getCartCount($uid, $shoppingKey);
+        }
+
+        $this->echoJson($result);
+    }
+
+    /**
      * 购物车商品选择与取消
      */
     public function selectAction()
@@ -84,11 +101,7 @@ class IndexController extends AbstractAction
             $result = CartModel::selectGoods($uid, $productId, $shoppingKey);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -106,11 +119,7 @@ class IndexController extends AbstractAction
             $result = CartModel::removeFromCart($uid, $sku, $count, $shoppingKey);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -126,11 +135,7 @@ class IndexController extends AbstractAction
             $result = CartModel::addToFav($uid, $productId);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /*
@@ -184,11 +189,7 @@ class IndexController extends AbstractAction
             $result['num'] = $num;
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /*
@@ -214,11 +215,7 @@ class IndexController extends AbstractAction
             $result = CartModel::giftProductData($skn, $promotionId);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -238,11 +235,7 @@ class IndexController extends AbstractAction
             $result = CartModel::modifyProductNum($uid, $sku, $increaseNum, $decreaseNum, $shoppingKey);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -264,11 +257,7 @@ class IndexController extends AbstractAction
             $result = CartModel::modifyCartProduct($uid, $params, $shoppingKey);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -318,11 +307,7 @@ class IndexController extends AbstractAction
             $result = CartModel::orderCompute($uid, $cartType, $deliveryWay, $paymentType, $couponCode, $yohoCoin);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -333,16 +318,12 @@ class IndexController extends AbstractAction
         $result = array();
 
         if ($this->isAjax()) {
-            $couponCode = $this->get('couponCode', '');
+            $couponCode = $this->post('couponCode', '');
             $uid = $this->getUid(true);
             $result = CartModel::searchCoupon($uid, $couponCode);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**
@@ -357,11 +338,7 @@ class IndexController extends AbstractAction
             $result = CartModel::getCouponList($uid);
         }
 
-        if (empty($result)) {
-            echo ' ';
-        } else {
-            $this->echoJson($result);
-        }
+        $this->echoJson($result);
     }
 
     /**