class OrderDaoImpl: def __init__(self): self.conn = DBUtil().openConnection() # save table info, return order_id def saveOrder(self, order): with self.conn: cur = self.conn.cursor() sql = " insert into OrderTbl(orderTime,userId,tableId,personNum)values(%s,%s,%s,%s) " # set arg value = [ order.getOrderTime(), order.getUserId(), order.getTableId(), order.getPersonNum() ] # execute cur.execute(sql, value); # return order_id sql2 = " select max(id) as id from OrderTbl " cur.execute(sql2) row = cur.fetchone() return row[0] #save order list def saveOrderDetail(self, od): with self.conn: cur = self.conn.cursor() sql = " insert into OrderDetailTbl(orderId,menuId,num,remark)values(%s,%s,%s,%s) " value = [ od.getOrderId(), od.getMenuId(), od.getNum(), od.getRemark() ] # execute cur.execute(sql, value); # using: update table status def updateTableStatus(self, table_id): with self.conn: cur = self.conn.cursor() sql = " update TableTbl set flag=1 where id = %s " cur.execute(sql, table_id) # empty: update table status def updateTableStatus2(self, order_id): with self.conn: cur = self.conn.cursor() sql = " update TableTbl set flag = 0 where id = " +\ " ( select tableId from OrderTbl where id = %s) " cur.execute(sql, order_id)
class CheckTableDaoImpl: def __init__(self): self.conn = DBUtil().openConnection() # 获得餐桌列表 def getTableList(self): # 查询SQL语句 sql =" select num,flag from TableTbl" with self.conn: cur = self.conn.cursor() cur.execute(sql) # 获得预定义语句 rows = cur.fetchall() result = [] for row in rows: num = row[0] flag = row[1] ct = CheckTable() ct.setFlag(flag) ct.setNum(num) result.append(ct) return result return None
class UserDaoImpl: def __init__(self): self.conn = DBUtil().openConnection() def login(self, account, password): # 查询SQL语句 sql = " select id,account,password,name,permission,remark "+\ " from UserTbl "+\ " where account=%s and password=%s " with self.conn: cur = self.conn.cursor() values = [ account, password ] # 执行查询 cur.execute(sql, values) row = cur.fetchone() Id = row[0] name = row[3] permission = row[4] remark = row[5] # 封装用户信息 u = User() u.setId(Id) u.setAccount(account) u.setPassword(password) u.setName(name) u.setPermission(permission) u.setRemark(remark) return u return None
class UnionTableDaoImpl: def __init__(self): self.conn = DBUtil().openConnection() def getTableList(self): # 查询SQL语句 sql =" select id,num from TableTbl where flag = 1 " with self.conn: cur = self.conn.cursor() cur.execute(sql) # 判断订单详细 result = [] rows = cur.fetchall() for row in rows: # 获得菜单信息 Id = row[0] num = row[1] ut = UnionTable() ut.setId(Id) ut.setNum(num) result.append(ut) return result return None def updateStatus(self, tableId1, tableId2): with self.conn: cur = self.conn.cursor() prepare = "new_proc" values = [ tableId1, tableId2 ] cur.callproc(prepare, values)
class UpdateDaoImpl: def __init__(self): self.conn = DBUtil().openConnection() # 获得菜单列表 def getMenuList(self): # 查询SQL语句 sql =" select id,type,price,name,pic,remark from MenuTbl " with self.conn: cur = self.conn.cursor() # 执行查询 cur.execute(sql) # 判断订单详细 rows = cur.fetchall() result = [] for row in rows: # 获得菜单信息 Id = row[0] typeId = row[1] price = row[2] name = row[3] pic = row[4] remark = row[5] m = Menu() m.setId(Id) m.setName(name) m.setPic(pic) m.setPrice(price) m.setRemark(remark) m.setTypeId(typeId) result.append(m) return result return None # 获得餐桌列表 def getTableList(self): # 查询SQL语句 sql =" select id,num,description from TableTbl " with self.conn: cur = self.conn.cursor() # 执行查询 cur.execute(sql) # 判断订单详细 rows = cur.fetchall() result = [] for row in rows: # 获得菜单信息 Id = row[0] num = row[1] desc = row[2] t = Table() t.setId(Id) t.setNum(num) t.setDesc(desc) result.append(t) return result return None
