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  • 线程练习

    1.写一个基于TCP协议套接字,服务端实现接收客户端的连接并发。

    #server 
    import socket
    from  threading import Thread 
    import threading
    server = socket.socket()
    server.bind(
        ('127.0.0.1',9527)
    )
    
    server.listen(3)
    
    def action(conn):
        while True:
            data = conn.recv(1024)
            print(data)
            conn.send(data.upper())
    if __name__ == '__main__':
    
        while True:
            conn,addr = server.accept()
            p = threading.Thread(target=action,args = (conn,))
            p.start()
     
    
    
    #client
    import socket       
    client = socket.socket()
    
    client.connect(
        ('127.0.0.1',9527)
    )
    while True: 
        msg = input('>>: ').strip()
        if not msg:
            continue
        client.send(msg.encode('utf-8'))
        data = client.recv(1024)
        
        print(data)
    

    2.编写一个简单的文本处理工具,具备三个任务,一个接收用户输入,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

    from threading import Thread
    msgs = []
    format = []
    
    def talk():
        while True:
            msg = input('>>: ').strip()
            if not msg:
                continue
            msgs.append(msg)
    
    def format_msg():
        while True:
            if msgs:
                res = msgs.pop() #列表-删除最后的值
                format.append(res.upper())
    
    
    def save():
        while True:
            if format:
                with open('db.txt','a',encoding='utf-8') as f:
                    res = format.pop()
                    f.write(f'{res}
    ')
    
    
    if __name__ == '__main__':
        t1 = Thread(target=talk)
        t2 = Thread(target=format_msg)
        t3 = Thread(target=save)
        t1.start()
        t2.start()
        t3.start()
    
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  • 原文地址:https://www.cnblogs.com/shaozheng/p/11720638.html
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