day32-socketserver

#socketserver 是在socket基礎上進行了封裝,它讓server能夠實時跟多個client進行通訊。
#thread線程:一個程序有一個線程,一個線程是調度cpu的最小單位。程序運行才產生線程,不運行就不產生。
#若是啓用多個線程去接收多個client的請求,就能實現併發的效果。

# server:
import socketserver
class MyServer(socketserver.BaseRequestHandler):  #必須繼承此父類
    def handle(self):                             #必須定義此函數,self.request至關於conn
        while True:
            msg = self.request.recv(1024).decode('utf-8')
            print(msg)
            if msg == 'q':
                break
            info = input('server:')
            self.request.send(info.encode('utf-8'))

if __name__ == '__main__':
    server = socketserver.ThreadingTCPServer(('127.0.0.1',8888),MyServer) #實例化對象 = 類()
    server.serve_forever()

#client1:
import socket
sk = socket.socket()
sk.connect(('127.0.0.1',8888))

while True:
    info = input('client1:')
    if info == 'q':
        sk.send(info.encode('utf-8'))
        break
    sk.send(info.encode('utf-8'))
    ret = sk.recv(1024).decode('utf-8')
    print(ret)

sk.close()

#client2:
import socket
sk = socket.socket()
sk.connect(('127.0.0.1',8888))

while True:
    info = input('client2:')
    if info == 'q':
        sk.send(info.encode('utf-8'))
        break
    sk.send(info.encode('utf-8'))
    ret = sk.recv(1024).decode('utf-8')
    print(ret)

sk.close()
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