【发布时间】：2016-08-22 21:15:48
【问题描述】：
我正在尝试创建一个具有基本 GET 和 POST 功能的简单 http 服务器。该程序应该通过打印一个简单的网页来获取请求，该网页向用户打招呼并询问他希望如何被打招呼。当用户输入他选择的问候语时，网页现在应该按照他选择的方式问候他。
虽然 GET 似乎工作正常，但 POST 却不行。我尝试通过在每次代码执行时打印来进行调试，但它似乎卡在这里：
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
我将在下面粘贴代码完整代码，以及我的终端输出。
代码：
from http.server import BaseHTTPRequestHandler, HTTPServer
import cgi
class webServerHandler(BaseHTTPRequestHandler):
def do_GET(self):
try:
if self.path.endswith("/hello"):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = ""
output += "<html><body>"
output += "<h1>Hello!</h1>"
output += '''<form method='POST' enctype='multipart/form-data' action='/hello'><h2>What would you like me to say?</h2><input name="message" type="text" ><input type="submit" value="Submit"> </form>'''
output += "</body></html>"
self.wfile.write(output.encode(encoding = 'utf_8'))
print (output)
return
if self.path.endswith("/hola"):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
output = ""
output += "<html><body>"
output += "<h1>¡ Hola !</h1>"
output += '''<form method='POST' enctype='multipart/form-data' action='/hello'><h2>What would you like me to say?</h2><input name="message" type="text" ><input type="submit" value="Submit"> </form>'''
output += "</body></html>"
self.wfile.write(output.encode(encoding = 'utf_8'))
print (output)
return
except IOError:
self.send_error(404, 'File Not Found: %s' % self.path)
def do_POST(self):
try:
self.send_response(201)
print("Sent response")
self.send_header('Content-type', 'text/html')
print("Sent headers")
self.end_headers()
print("Ended header")
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
print("Parsed headers")
if ctype == 'multipart/form-data':
fields = cgi.parse_multipart(self.rfile, pdict)
messagecontent = fields.get('message')
print("Receiver message content")
output = ""
output += "<html><body>"
output += " <h2> Okay, how about this: </h2>"
output += "<h1> %s </h1>" % messagecontent[0]
output += '''<form method='POST' enctype='multipart/form-data' action='/hello'><h2>What would you like me to say?</h2><input name="message" type="text" ><input type="submit" value="Submit"> </form>'''
output += "</body></html>"
print(output)
self.wfile.write(output.encode(encoding = 'utf_8'))
print ("Wrote through CGI")
except:
pass
def main():
try:
port = 8080
server = HTTPServer(('', port), webServerHandler)
print ("Web Server running on port", port)
server.serve_forever()
except KeyboardInterrupt:
print (" ^C entered, stopping web server....")
server.socket.close()
if __name__ == '__main__':
main()
终端输出：
Web Server running on port 8080
127.0.0.1 - - [28/Apr/2016 13:28:59] "GET /hello HTTP/1.1" 200 -
<html><body><h1>Hello!</h1><form method='POST' enctype='multipart/form-data' action='/hello'><h2>What would you like me to say?</h2><input name="message" type="text" ><input type="submit" value="Submit"> </form></body></html>
127.0.0.1 - - [28/Apr/2016 13:29:09] "POST /hello HTTP/1.1" 201 -
Sent response
Sent headers
Ended header
如您所见，POST 函数似乎并没有超出 parse_header 命令的范围。我想不通，任何帮助都是有用的！
【问题讨论】：
-
您的问题表明您使用的是 Python 3，为避免混淆，您应该包括您正在使用的 Python 版本并期望它可以工作:)