diff --git a/OrderDao.java b/OrderDao.java
new file mode 100644
index 0000000..5e07140
--- /dev/null
+++ b/OrderDao.java
@@ -0,0 +1,20 @@
+package flowershop.dao;
+
+import java.util.List;
+
+import flowershop.model.Order;
+
+public interface OrderDao {
+
+	
+	//查询所有订单数据
+	List<Order> findAll();
+	//根据主键查询
+	Order findById(String id);
+	//创建订单信息
+	int create(Order order);
+	//修改订单信息
+	int modify(Order order);
+	//删除订单信息
+	int remove(Order order);
+}