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在python2.7中完好運行：
#!/usr/bin/python
# -*- coding: utf-8 -*-
# 導入socket庫:
import socket
# 創建一個socket:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 建立連接:
s.connect(('www.sina.com.cn', 80))
s.send('GET / HTTP/1.1\r\nHost: www.sina.com.cn\r\nConnection: close\r\n\r\n')
# 接收數據:
buffer = []
while True:
# 每次最多接收1k字節:
d = s.recv(1024)
if d:
buffer.append(d)
else:
break
data = ''.join(buffer)
print (data)
# 關閉連接:
s.close()運行結果：
HTTP/1.1 200 OK Server: nginx Date: Mon, 30 Jul 2018 15:27:31 GMT Content-Type: text/html Content-Length: 569784 Connection: close Last-Modified: Mon, 30 Jul 2018 15:24:01 GMT Vary: Accept-Encoding X-Powered-By: shci_v1.03 Expires: Mon, 30 Jul 2018 15:28:06 GMT Cache-Control: max-age=60 Age: 14 Via: http/1.1 gwbn.guangzhou.ha2ts4.26 (ApacheTrafficServer/6.2.1 [cHs f ]), http/1.1 gwbn.shanghai.ha2ts4.19 (ApacheTrafficServer/6.2.1 [cHs f ]) X-Via-Edge: 1532964451960c86fc48b09010e7c77e64765 X-Cache: HIT.19 X-Via-CDN: f=edge,s=gwbn.shanghai.ha2ts4.18.nb.sinaedge.com,c=139.196.111.200;f=Edge,s=gwbn.shanghai.ha2ts4.19,c=124.14.1.18 <!DOCTYPE html> <!-- [ published at 2018-07-30 23:24:00 ] --> <html> <head> ： ：
在python3中運行出錯：
運行結果：
Traceback (most recent call last):
File "/usercode/file.py", line 16, in <module>
s.send('GET / HTTP/1.1\r\nHost: www.sina.com.cn\r\nConnection: close\r\n\r\n')
TypeError: 'str' does not support the buffer interface這是因為python3對字符串做了更改，使得默認字符串編碼與python2.7的不同。
所以，使用client_socket.send（data）時，將其替換為client_socket.send（data.encode（））。
當使用data = client_socket.recv（512）獲取數據時，請將其替換為data = client_socket.recv（512）.decode（）
更改后的程序為：
#!/usr/bin/python
# -*- coding: utf-8 -*-
# 導入socket庫:
import socket
# 創建一個socket:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 建立連接:
s.connect(('www.sina.com.cn', 80))
s.send(('GET / HTTP/1.1\r\nHost: www.sina.com.cn\r\nConnection: close\r\n\r\n').encode()) ####添加.encode
# 接收數據:
buffer = []
while True:
# 每次最多接收1k字節:
d = s.recv(1024).decode("utf8","ignore") #######添加.decode("utf8","ignore")
if d:
buffer.append(d)
else:
break
data = ''.join(buffer)
print (data)
# 關閉連接:
s.close()運行結果：
HTTP/1.1 200 OK Server: nginx Date: Mon, 30 Jul 2018 16:00:02 GMT Content-Type: text/html Content-Length: 569807 Connection: close Last-Modified: Mon, 30 Jul 2018 15:57:02 GMT Vary: Accept-Encoding X-Powered-By: shci_v1.03 Expires: Mon, 30 Jul 2018 16:00:35 GMT Cache-Control: max-age=60 Age: 31 Via: http/1.1 gwbn.guangzhou.ha2ts4.26 (ApacheTrafficServer/6.2.1 [cHs f ]), http/1.1 gwbn.shanghai.ha2ts4.19 (ApacheTrafficServer/6.2.1 [cHs f ]) X-Via-Edge: 1532966402856de110e6a09010e7c4a141492 X-Cache: HIT.19 X-Via-CDN: f=edge,s=gwbn.shanghai.ha2ts4.19.nb.sinaedge.com,c=106.14.17.222;f=Edge,s=gwbn.shanghai.ha2ts4.19,c=124.14.1.19 <!DOCTYPE html> <!-- [ published at 2018-07-30 23:57:00 ] --> <html> : :
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