书籍是《python核心编程》第三版,学习环境py3.6
2-1 时间戳服务器
附源代码:
from socket import *
from time import ctime
HOST=''
PORT=
BUFSIZ=
ADDR=(HOST,PORT)
tcpSerSock=socket(AF_INET,SOCK_STREAM)
tcpSerSock.bind(ADDR)
tcpSerSock.listen()
while True:
print("waiting for connection...")
tcpCliSock,addr=tcpSerSock.accept()
print('connected from:',addr)
while True:
data=tcpCliSock.recv(BUFSIZ).decode()
if not data:
break
tcpCliSock.send(("[%s]%s"%(ctime(),data)))
tcpCliSock.close()
tcpSerSock.close()
运行后
Traceback (most recent call last):
File "F:/learn_test/时间戳服务器.py", line 18, in <module>
tcpCliSock.send(("[%s]%s" % (ctime(), data)))
TypeError: a bytes-like object is required, not 'str'
提示需要一个bytes类型的对象,而不是str
。。。。照着书敲都会有错
这还能难住老夫?
from socket import *
from time import ctime
HOST=''
PORT=
BUFSIZ=
ADDR=(HOST,PORT)
tcpSerSock=socket(AF_INET,SOCK_STREAM)
tcpSerSock.bind(ADDR)
tcpSerSock.listen()
while True:
print("waiting for connection...")
tcpCliSock,addr=tcpSerSock.accept()
print('connected from:',addr)
while True:
data=tcpCliSock.recv(BUFSIZ).decode()
if not data:
break
tcpCliSock.send(("[%s]%s"%(ctime(),data)).encode())
tcpCliSock.close()
tcpSerSock.close()
然后继续运行
Traceback (most recent call last):
File "F:/learn_test/时间戳服务器.py", line 15, in <module>
data=tcpCliSock.recv(BUFSIZ).decode()
OSError: [WinError 10038] 在一个非套接字上尝试了一个操作。
修正后
from socket import *
from time import ctime
HOST=''
PORT=
BUFSIZ=
ADDR=(HOST,PORT)
tcpSerSock=socket(AF_INET,SOCK_STREAM)
tcpSerSock.bind(ADDR)
tcpSerSock.listen()
while True:
print("waiting for connection...")
tcpCliSock,addr=tcpSerSock.accept()
print('connected from:',addr)
while True:
data=tcpCliSock.recv(BUFSIZ).decode()
if not data:
break
# tcpCliSock.send(("[%s]%s" % (ctime(), data)))
tcpCliSock.send(("[%s]%s"%(ctime(),data)).encode())
tcpCliSock.close()
tcpSerSock.close()
区别就是描红的那一行
本次表演到此结束