笔记_计算机网络_Python socket编程

#!/usr/bin/python3
# 主机服务器
# 导入 socket、sys 模块
import socket
#import sys
# 创建 socket 对象
serversocket = socket.socket(
socket.AF_INET, socket.SOCK_STREAM)

# 获取本地主机名
host = socket.gethostname()
port = 6666

# 绑定端口
serversocket.bind((host, port))

# 设置最大连接数，超过后排队
serversocket.listen(5)
while True:
# 建立客户端连接
clientsocket,addr = serversocket.accept()
print("连接地址: %s" % str(addr))
num = int(clientsocket.recv(1024).decode())

factorial = 1
msg='0'
# 查看数字是负数，0 或 正数
if num < 0:
msg='抱歉，负数没有阶乘\r\n'
elif num == 0:
msg = '0 的阶乘为 1\r\n'
else:
for i in range(1, num + 1):
factorial = factorial * i
msg=str(num)+' 的阶乘为 '+str(factorial)+'\r\n'
clientsocket.send(msg.encode())
clientsocket.close()

#!/usr/bin/python3
# client
# 导入 socket、sys 模块
import socket
# import sys
# 创建 socket 对象
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# 获取本地主机名
host = socket.gethostname()

# 设置端口号
port = 6666

# 连接服务，指定主机和端口
s.connect((host, port))
num = input('Input lowercase sentence:')
s.send(num.encode())
# 接收小于 1024 字节的数据
msg = s.recv(1024)
s.close()
print (msg.decode())