[英]set headers for all requests in tornado
I'm setting headers for my requests this way: 我通过这种方式为我的请求设置标题:
class ContactInfoHandler(tornado.web.RequestHandler):
def set_default_headers(self):
print "setting headers!!!"
self.set_header("Access-Control-Allow-Origin", "*")
self.set_header("Access-Control-Allow-Headers", "x-requested-with")
self.set_header('Access-Control-Allow-Methods', 'POST, GET, OPTIONS')
def get(self, *args, **kwargs):
self.write('something')
I have to do it for all of my handlers, Is there a way to do it one in whole my Tornado project? 我必须为所有处理程序执行此操作,是否有办法在整个Tornado项目中全部执行此操作?
You can write a handler that is inherited from tornado.web.RequestHandler
, then all handlers used as an API can be inherited from this handler. 您可以编写从
tornado.web.RequestHandler
继承的处理程序,然后可以从该处理程序继承所有用作API的处理程序。 Here is the example below. 这是下面的例子。
from tornado.web import RequestHandler
class BaseHandler(RequestHandler):
def get(self, *args, **kwargs):
self.write("say something")
def set_default_headers(self, *args, **kwargs):
self.set_header("Access-Control-Allow-Origin", "*")
self.set_header("Access-Control-Allow-Headers", "x-requested-with")
self.set_header("Access-Control-Allow-Methods", "POST, GET, OPTIONS")
As you have done this step, you can totally inherit what BaseHandler
can do by writing handlers inherited from BaseHandler
. 当你做了这一步,你完全可以继承什么
BaseHandler
可以通过编写继承自处理程序做BaseHandler
。
class ContactInfoHandler(BaseHandler):
def get(self, *args, **kwargs):
self.write("something")
class TestInfoHandler(BaseHandler):
def post(self, *args, **kwargs):
self.write("test result is here")
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