Posted in Python onFebruary 26, 2014
from urllib.request import urlopen
from urllib.parse import urlencode
import tornado.httpserver
import tornado.ioloop
import tornado.web
#获取key: https://www.google.com/recaptcha/whyrecaptcha
publickey = '填入你的 public key'
privatekey = '填入你的 private key'
class Application(tornado.web.Application):
def __init__(self):
handlers = [
(r'/', IndexHandler)
]
settings = dict(
template_path="templates",
)
tornado.web.Application.__init__(self, handlers, **settings)
class IndexHandler(tornado.web.RequestHandler):
def get(self):
self.render('index.html', publickey=publickey)
def post(self):
url = 'http://www.google.com/recaptcha/api/verify'
#验证码
challenge = self.get_argument('recaptcha_challenge_field')
#用户输入
response = self.get_argument('recaptcha_response_field')
data = {
'privatekey': privatekey,
'remoteip': self.request.remote_ip,
'challenge': challenge,
'response': response
}
res = urlopen(url, data=urlencode(data).encode())
#获取验证结果，这里直接将返回结果输出到页面
self.write(res.read().decode())
if __name__ == '__main__':
server = tornado.httpserver.HTTPServer(Application())
server.listen(10001)
tornado.ioloop.IOLoop.instance().start()
templates/index.html
3water.com<!DOCTYPE html>
3water.com<html>
3water.com<head>
3water.com3water.com<title>reCaptcha验证码</title>
3water.com</head>
3water.com<body>
3water.com3water.com<form action="" method="post">
3water.com3water.com<script type="text/javascript" src="http://www.google.com/recaptcha/api/challenge?k={{ publickey }}"></script>
3water.com3water.com<noscript>
3water.com3water.com3water.com<iframe src="http://www.google.com/recaptcha/api/noscript?k={{ publickey }}" height="300" width="500" frameborder="0"></iframe><br>
3water.com3water.com3water.com<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
3water.com3water.com3water.com<input type="hidden" name="recaptcha_response_field" value="manual_challenge">
3water.com3water.com</noscript>
3water.com3water.com</form>
3water.com</body>
3water.com</html> python为tornado添加recaptcha验证码功能
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