回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>我在同一个局域网上有两台电脑。第一台电脑的ip地址是192.168.178.30,另一台电脑的ip地址是192.168.178.26。
Ping、traceroute、telnet、ssh,这两台电脑之间的一切都正常工作。两台电脑运行相同的OS-CentOS 7,而且两台电脑都有相同的python版本2.7.5(使用python-V命令检查)。</p>
<p>我从一本计算机网络书籍中复制了简单的python代码。</p>
<p>客户端.py</p>
<pre><code>from socket import *
serverName = '192.168.178.30'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverName,serverPort))
sentence = raw_input('Input lowercase sentence: ')
clientSocket.send(sentence)
modifiedSentence = clientSocket.recv(1024)
print 'From Server:', modifiedSentence
clientSocket.close()
</code></pre>
<p>服务器.py</p>
<pre><code>from socket import *
serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('192.168.178.30',serverPort))
serverSocket.listen(5)
print 'The server is ready to receive'
while 1:
connectionSocket, addr = serverSocket.accept()
sentence = connectionSocket.recv(1024)
capitalizedSentence = sentence.upper()
connectionSocket.send(capitalizedSentence)
connectionSocket.close()
</code></pre>
<p>当代码运行在同一台PC(服务器在本地主机上监听)上时,它可以工作。
当我在一台电脑上运行客户机代码,在另一台电脑上运行服务器代码时,在客户机端会出现此错误。</p>
<pre><code>Traceback (most recent call last):
File "client.py", line 5, in <module>
clientSocket.connect((serverName,serverPort))
File "/usr/lib64/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
socket.error: [Errno 113] No route to host
</code></pre>
<p>有人能帮忙吗?</p>