多线程并发练习（Day35）

Posted 2020-10-04 Neither Candidate

练习一

#_*_coding:utf-8_*_
#!/usr/bin/env python
import multiprocessing
import threading

import socket
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind((‘127.0.0.1‘,8080))
s.listen(5)

def action(conn):
    while True:
        data=conn.recv(1024)
        print(data)
        conn.send(data.upper())

if __name__ == ‘__main__‘:

    while True:
        conn,addr=s.accept()


        p=threading.Thread(target=action,args=(conn,))
        p.start()

多线程并发的socket服务端

多线程并发的socket服务端

#_*_coding:utf-8_*_
#!/usr/bin/env python


import socket

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect((‘127.0.0.1‘,8080))

while True:
    msg=input(‘>>: ‘).strip()
    if not msg:continue

    s.send(msg.encode(‘utf-8‘))
    data=s.recv(1024)
    print(data)

客户端

客户端

 

练习二：

三个任务，一个是接收用户输入，一个将用户输入的内容格式化成大写，一个将格式化后的结果存入文件

 1 from threading import Thread
 2 msg_l=[]
 3 format_l=[]
 4 def talk():
 5     while True:
 6         msg=input(‘>>: ‘).strip()
 7         if not msg:continue
 8         msg_l.append(msg)
 9 
10 def format_msg():
11     while True:
12         if msg_l:
13             res=msg_l.pop()
14             format_l.append(res.upper())
15 
16 def save():
17     while True:
18         if format_l:
19             with open(‘db.txt‘,‘a‘,encoding=‘utf-8‘) as f:
20                 res=format_l.pop()
21                 f.write(‘%s\n‘ %res)
22 
23 if __name__ == ‘__main__‘:
24     t1=Thread(target=talk)
25     t2=Thread(target=format_msg)
26     t3=Thread(target=save)
27     t1.start()
28     t2.start()
29     t3.start()