根据问题变化而更新
可能，它一直在旋转，因为在缺少
Content-Length和
Connection标头的情况下，浏览器可能会假设它是
Connection:keep-alive，因此它将继续永远从服务器接收数据。尝试发送
Connection: close，并通过实际值
Content-Length以查看是否有帮助。
这不会如您所愿吗？:)
#!/usr/bin/env python# coding: utf8import socketMAX_PACKET = 32768def recv_all(sock): r'''Receive everything from `sock`, until timeout occurs, meaning sender is exhausted, return result as string.''' # dirty hack to simplify this stuff - you should really use zero timeout, # deal with async socket and implement finite automata to handle incoming data prev_timeout = sock.gettimeout() try: sock.settimeout(0.01) rdata = [] while True: try: rdata.append(sock.recv(MAX_PACKET)) except socket.timeout: return ''.join(rdata) # unreachable finally: sock.settimeout(prev_timeout)def normalize_line_endings(s): r'''Convert string containing various line endings like n, r or rn, to uniform n.''' return ''.join((line + 'n') for line in s.splitlines())def run(): r'''Main loop''' # Create TCP socket listening on 10000 port for all connections, # with connection queue of length 1 server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP) server_sock.bind(('0.0.0.0', 13000)) server_sock.listen(1) while True: # accept connection client_sock, client_addr = server_sock.accept() # headers and body are divided with nn (or rnrn - that's why we # normalize endings). In real application usage, you should handle # all variations of line endings not to screw request body request = normalize_line_endings(recv_all(client_sock)) # hack again request_head, request_body = request.split('nn', 1) # first line is request headline, and others are headers request_head = request_head.splitlines() request_headline = request_head[0] # headers have their name up to first ': '. In real world uses, they # could duplicate, and dict drops duplicates by default, so # be aware of this. request_headers = dict(x.split(': ', 1) for x in request_head[1:]) # headline has form of "POST /can/i/haz/requests HTTP/1.0" request_method, request_uri, request_proto = request_headline.split(' ', 3) response_body = [ '<html><body><h1>Hello, world!</h1>', '<p>This page is in location %(request_uri)r, was requested ' % locals(), 'using %(request_method)r, and with %(request_proto)r.</p>' % locals(), '<p>Request body is %(request_body)r</p>' % locals(), '<p>Actual set of headers received:</p>', '<ul>', ] for request_header_name, request_header_value in request_headers.iteritems(): response_body.append('<li><b>%r</b> == %r</li>' % (request_header_name, request_header_value)) response_body.append('</ul></body></html>') response_body_raw = ''.join(response_body) # Clearly state that connection will be closed after this response, # and specify length of response body response_headers = { 'Content-Type': 'text/html; encoding=utf8', 'Content-Length': len(response_body_raw), 'Connection': 'close', } response_headers_raw = ''.join('%s: %sn' % (k, v) for k, v in response_headers.iteritems()) # Reply as HTTP/1.1 server, saying "HTTP OK" (pre 200). response_proto = 'HTTP/1.1' response_status = '200' response_status_text = 'OK' # this can be random # sending all this stuff client_sock.send('%s %s %s' % (response_proto, response_status, response_status_text)) client_sock.send(response_headers_raw) client_sock.send('n') # to separate headers from body client_sock.send(response_body_raw) # and closing connection, as we stated before client_sock.close()run()有关更多详细说明，请参见HTTP协议的说明。
