socketserver,threading

#server
import socketserver
class Myserver(socketserver.BaseRequestHandler):
    def handle(self):
        self.data = self.request.recv(1024).strip()
        print("{} wrote:".format(self.client_address[0]))
        print(self.data)
        self.request.sendall(self.data.upper())

if __name__ == "__main__":
    HOST, PORT = "127.0.0.1", 9999

    # 设置allow_reuse_address允许服务器重用地址
    socketserver.TCPServer.allow_reuse_address = True
    # 创建一个server, 将服务地址绑定到127.0.0.1:9999
    server = socketserver.TCPServer((HOST, PORT),Myserver)
    # 让server永远运行下去，除非强制停止程序
    server.serve_forever()

# client 端
import socket

HOST, PORT = "127.0.0.1", 9999
data = "hello"

# 创建一个socket链接，SOCK_STREAM代表使用TCP协议
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
    sock.connect((HOST, PORT))          # 链接到客户端
    sock.sendall(bytes(data + "\n", "utf-8")) # 向服务端发送数据
    received = str(sock.recv(1024), "utf-8")# 从服务端接收数据

print("Sent:     {}".format(data))
print("Received: {}".format(received))

import time
import threading

def task(a1,a2,a3):
    time.sleep(2)
    print(‘拿快递‘)

def play():
    print(‘和女朋友去耍‘)

def wm():
    print(‘去拿外卖‘)

# 创建一个线程
# 让该线程去执行任务：函数
t1 = threading.Thread(target=task,args=(1,2,3,))
# 去执行吧
t1.start()

# 创建一个线程
# 让该线程去执行任务：函数
t2 = threading.Thread(target=play)
# 去执行吧
t2.start()
# 创建一个线程
# 让该线程去执行任务：函数
t3 = threading.Thread(target=wm)
# 去执行吧
t3.start()

print(‘玩扇子‘)
print(‘煽风点火‘)
print(‘耍贱...‘)

import time
import threading
def task(n):
    print(‘开始执行任务:‘,n)
    time.sleep(10)
    print(‘...‘)
    print(‘任务%s 执行完毕:‘%n)

while True:
    name = input("请输入任务：")
    t = threading.Thread(target=task,args=(name,))
    t.start()

import time
import socket
import threading

def task(conn):
    time.sleep(20)
    data = conn.recv(1024)
    print(data)
    conn.close()


server = socket.socket()
server.bind((‘192.168.13.84‘,8001,))
server.listen(5)

while True:
    conn,addr = server.accept()
    t = threading.Thread(target=task,args=(conn,))
    t.start()