From 0145b9f4bf320b5c5832ccc1bba186a66cb9ad07 Mon Sep 17 00:00:00 2001
From: 3rzx <3333rrrr@gmail.com>
Date: Thu, 26 Oct 2017 14:57:20 +0800
Subject: [PATCH 1/2] DB: Introduce generic DB interface.

---
 DB/DB.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 DB/DB.py

diff --git a/DB/DB.py b/DB/DB.py
new file mode 100644
index 0000000..f2fe587
--- /dev/null
+++ b/DB/DB.py
@@ -0,0 +1,21 @@
+class DB:
+	def __init__(self,db):
+		# Declaration
+        self.__db = None
+
+        # Initialization
+        self.__db = db
+
+
+	def CreateTable(self):
+		self.__db.createTable()
+
+	def insertStudent(self,dbname,table,sid,name,cardId):
+		self.__db.insertStudent(dbname,table,sid,name,cardId)
+
+	def checkIn(self,dbname,table,cardId): 
+		self.__db.checkIn(cardId)
+	
+	def checkOut(self,dbname,table,cardId): 
+		self.__db.checkOut(cardId)
+

From 218fe3124ac3de6469995173e0dea4f5f5dbcd22 Mon Sep 17 00:00:00 2001
From: 3rzx <3333rrrr@gmail.com>
Date: Thu, 26 Oct 2017 15:24:02 +0800
Subject: [PATCH 2/2] Remove unnecessary parameter

---
 DB/DB.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DB/DB.py b/DB/DB.py
index f2fe587..4c4e43e 100644
--- a/DB/DB.py
+++ b/DB/DB.py
@@ -13,9 +13,9 @@ def CreateTable(self):
 	def insertStudent(self,dbname,table,sid,name,cardId):
 		self.__db.insertStudent(dbname,table,sid,name,cardId)
 
-	def checkIn(self,dbname,table,cardId): 
+	def checkIn(self,cardId): 
 		self.__db.checkIn(cardId)
 	
-	def checkOut(self,dbname,table,cardId): 
+	def checkOut(self,cardId): 
 		self.__db.checkOut(cardId)