diff --git a/OrderDetailDao.java b/OrderDetailDao.java
new file mode 100644
index 0000000..d41738c
--- /dev/null
+++ b/OrderDetailDao.java
@@ -0,0 +1,20 @@
+package flowershop.dao;
+
+import java.util.List;
+
+import flowershop.model.OrderDetail;
+
+public interface OrderDetailDao {
+	
+	//查询所有订单详细数据
+	List<OrderDetail> findAll();
+	//根据主键查询
+	OrderDetail findByPk(int orderid, String productid);
+	//创建订单详细信息
+	int create(OrderDetail orderDetail);
+	//修改订单详细信息
+	int modify(OrderDetail orderDetail);
+	//删除订单详细信息
+	int remove(OrderDetail orderDetail);
+
+}