# coding:utf-8from socket import *# 1.創(chuàng)建服務(wù)器socketsock = socket(AF_INET, SOCK_STREAM)# 2.綁定主機(jī)和端口addr = ('', 7788) #sock.bind(addr)# 3. 設(shè)置最大監(jiān)聽數(shù)目，并發(fā)sock.listen(10)# 4. 設(shè)置成非阻塞sock.setblocking(False)# 保存客戶端socketclientAddrList = []# print(sock.)while 1:  try:    clientSocket, clientAddr = sock.accept()  except:    pass  else:    print("一個新客戶端到來：%s" % str(clientAddr))    clientSocket.setblocking(False)    clientAddrList.append((clientSocket, clientAddr))  for clientSocket, clientAddr in clientAddrList:    try:      recvData = clientSocket.recv(1024)    except:      pass    else:      if len(recvData) > 0:        print("%s:%s" % (str(clientAddr), recvData))      else:        clientSocket.close()        clientAddrList.remove((clientSocket, clientAddr))        print("%s 已經(jīng)下線" % str(clientAddr))