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Data_interaction.py
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Data_interaction.py
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import numpy as np
import pymssql
import os,time
class DataInteraction(object):
def __init__(
self,
server = "219,223,222,210",
user = "userFang",
password = "admin",
):
# IP/账号/密码
self.server = server #温度范围x风速范围？
self.user = user
self.password = password
def getData(self,timeStep,col,startId,num = 2):
self.conn = pymssql.connect(self.server,self.user,self.password,database='master')
self.cursor = self.conn.cursor()
self.table = cursor.execute("use maGroup")
self.cursor.execute("select top '%d' * from dbo.BaseData_Y2018 order by datew desc"%(num))
a = self.cursor.fetchall()
#id = timestep+(起始id); 第col列的值存在
while (!(a[0][0] == timeStep* num + startId && a[0][col] != None)):
self.cursor.execute("select top '%d' * from dbo.BaseData_Y2018 order by datew desc"%(num))
time.sleep(0.1)
a = self.cursor.fetchall()
conn.close()
return a
def pushData(self,timeStep,col,startId,action):
self.conn = pymssql.connect(self.server,self.user,self.password,database='master')
self.cursor = self.conn.cursor()
self.table = cursor.execute("use maGroup")
self.cursor.execute("update dbo.BaseData_Y2018 set action = '%d' where id = '%d' "%(action,timeStep*10 + startId))
conn.close()
def getStartId(self):
self.conn = pymssql.connect(self.server,self.user,self.password,database='master')
self.cursor = self.conn.cursor()
self.table = cursor.execute("use maGroup")
self.cursor.execute("select top 1 * from dbo.BaseData_Y2018 order by datew desc")
step = self.cursor.fetchone()
#id = timestep+(起始id); 第col列的值存在
# while (not(step[0]%10 == 0)):
# self.cursor.execute("select top 1 * from dbo.BaseData_Y2018 order by datew desc")
# time.sleep(0.1)
# step = self.cursor.fetchone()
conn.close()
return step[0]
# def preData(self,timestep,col,startId):
# self.conn = pymssql.connect(self.server,self.user,self.password,database='master')
# self.cursor = self.conn.cursor()
# self.table = cursor.execute("use maGroup")
# self.cursor.execute("select top 100 * from dbo.BaseData_Y2018 order by datew desc")
# a = self.cursor.fetchall()
# #id = timestep+(起始id); 第col列的值存在
# while (!(a[0][0] == timeStep*10 + startId && a[0][col] != None)):
# self.cursor.execute("select top 100 * from dbo.BaseData_Y2018 order by datew desc")
# a = self.cursor.fetchall()
# conn.close()
# return a[0][col]