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# _*_ coding: utf-8 _*_

"""

Socket编程

"""

import sys

import socket

def server_func(port):

"""

服务端

"""

# 1. 创建socket对象

server = socket.socket()

# 2. 绑定ip和端口

server.bind(("127.0.0.1", port))

# 3. 监听是否有客户端连接

server.listen(10)

print("服务端已经启动%s端口......" % port)

# 4. 接收客户端连接

sock_obj, address = server.accept()

sock_obj.settimeout(3)

print("客户端：%s，超时时间：%s" % (address, sock_obj.gettimeout()))

while True:

try:

# 5. 接收客户端发送的消息

recv_data = sock_obj.recv(1024).decode("utf-8")

print("客户端端 -> 服务端: %s" % recv_data)

if recv_data == "quit":

break

# 6. 给客户端回复消息

send_data = "received[%s]" % recv_data

sock_obj.send(send_data.encode("utf-8"))

print("服务端 -> 客户端: %s" % send_data)

except Exception as excep:

print("error: ", excep)

# 7. 关闭socket对象

sock_obj.close()

server.close()

def client_func(port):

"""

客户端

"""

# 1. 创建客户端的socket对象

client = socket.socket()

# 2. 连接服务端， 需要指定端口和IP

client.connect(("127.0.0.1", port))

while True:

# 3. 给服务端发送数据

send_data = input("客户端>").strip()

client.send(send_data.encode("utf-8"))

if send_data == "quit":

break

# 4. 获取服务端返回的消息

recv_data = client.recv(1024).decode("utf-8")

print("服务端 -> 客户端: %s" % recv_data)

# 5. 关闭socket连接

client.close()

if __name__ == '__main__':

flag = sys.argv[1]

if flag == "server":

server_func(9901)

else:

client_func(9901)