增加银豆抵扣

go/gopath/src/fohow.com/apps/controllers/order_controller/cart_controller.go

@@ -269,6 +269,7 @@ func (self *OrderController) GetCartList() {
 		item.UseQuan = product.UseQuan
 		item.ProductName = product.Name
 		item.Pv = product.Pv
+		item.Silver = product.Silver
 	}
 	count := int64(0)
 	total := int64(0)

go/gopath/src/fohow.com/apps/models/order_model/cart.go

@@ -38,6 +38,7 @@ type Cart struct {
 	Package         bool           `orm:"-"     json:"package"`
 	UseQuan         bool           `orm:"-"     json:"use_quan"`
 	Pv              int64          `orm:"-"     json:"pv"`           // pv
+	Silver          int64          `orm:"-"     json:"silver"`       // silver
 	PackageList     []*ProductItem `orm:"-"     json:"package_list"` // varchar(255)
 }