1. f1.py
# -*- coding: utf-8 -*-
import socket
import struct
import sqlalchemy
import pandas
########################################################################
class sckt:
#----------------------------------------------------------------------
def __init__(self, host = '192.168.1.3', port = 12345):
self.host = host
self.port = port
#----------------------------------------------------------------------
def run_server(self):
sckt = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sckt.bind((self.host, self.port))
sckt.listen(5)
"""连接库"""
engine = sqlalchemy.create_engine('mssql+pyodbc://sa:123456@XiTongDSN')
"""取开盘价"""
Open = (pandas.read_sql('sh', engine))['open']
i = 0
while True:
connection, address = sckt.accept()
if connection.recv(1024) == b'Link' and i < (len(Open) - 1):
"""数据打包"""
connection.send(struct.pack('f', Open[i]))
i += 1
else:
connection.send(b'Cut off the connection!')
connection.close()
#----------------------------------------------------------------------
def run_client(self, message = b'Link'):
sckt = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sckt.connect((self.host, self.port))
sckt.send(message)
"""数据解包，注意 unpack 要求四字节，其用法为后接 [:4]"""
Open = struct.unpack('f', sckt.recv(1024)[:4])
sckt.close()
"""返回开盘价，去格式的用法后接 [0]"""
return Open[0]
2. f2.py
# -*- coding: utf-8 -*-
import sys
sys.path.append('D:/360data/重要数据/桌面')
import f1
F1 = f1.sckt()
F1.run_server()
Open = []
for i in range(0, 99):
Open.append(F1.run_client())
print(Open)
