新浪网络编程

import socket
sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sk.connect(('www.sina.com.cn', 80))
sk.send(b'GET / HTTP/1.1
Host:www.sina.com.cn
Connection: close
')
data = []
while True:
    chunk = sk.recv(1024)
    if chunk:
        data.append(chunk)
    else:
        break
print(data)
data = b''.join(data)
sk.close()
header, html = data.split(b'
', 1)
print(header.decode('utf-8'))
with open('sina.html', 'wb') as f:
    f.write(html)