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1、python2脚本转python3报类型错误
原因：Python3x的string类型与Python2x的类型不相同，在Python3x中需要将str编码，如：
套接字的成员函数send
socket.send(bytes[, flags]) 形参为字节类型
socket.recv(bufsize[, flags]) Receive datafrom the socket. The return value is abytes object representing the data received.
1 def Deal(sock, user): 2 while True: 3 data = sock.recv(BUFSIZ).decode() #接收用户的数据 4 5 # print(data) 6 print(re.match(‘[to:.+]‘, data)) 7 if data == ‘quit‘: #用户退出 8 del clients[user] 9 sock.send(data).encode().decode() 10 sock.close() 11 print(‘%s logout‘ %user) 12 break 13 elif re.match(‘to:.+‘, data) is not None: #选择通信对象 14 data = data[3:] 15 print(data) 16 if data in clients: 17 chatwith[sock] = clients[data] 18 chatwith[clients[data]] = sock 19 else: 20 sock.send(‘the user %s is not exist‘ %data.encode()) 21 else: 22 if sock in chatwith: #进行通信 23 chatwith[sock].send(("[%s] %s: %s" %(ctime(), user, data)).encode()) 24 else: 25 sock.send(‘Please input the user who you want to chat with‘.encode())
2、python3中使用has_key报错
原因：python3中已经 不 包含此 项
解决方法：
用 k in dict 的方式代替
1 while True: 2 print(‘waiting for connection...‘) 3 tcpCliSock, addr = tcpSerSock.accept() 4 print(tcpCliSock,addr) 5 print(‘...connected from:‘,addr) 6 username = tcpCliSock.recv(BUFSIZ).decode() #接收用户名 7 print(‘The username is:‘,username) 8 if username in clients: #查找用户名 9 tcpCliSock.send("Reuse").encode() #用户名已存在 10 tcpCliSock.close() 11 else: 12 tcpCliSock.send("Welcome!".encode()) #登入成功 13 clients[username] = tcpCliSock 14 chat = threading.Thread(target = Deal, args = (tcpCliSock,username)) #创建新线程进行处理 15 chat.start() #启动线程
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原文地址：http://www.cnblogs.com/xiaoyaowuming/p/5722449.html
