Ajax学习全套(最全最经典)

class MainHandler(tornado.web.RequestHandler):
  def put(self):
    self.set_header('Access-Control-Allow-Origin', "http://www.xxx.com")
    self.set_header('Access-Control-Allow-Credentials', "true")
    self.set_header('xxoo', "seven")
    self.set_header('zhangyanlinhenshuai', "feichangshuai")
    self.set_header('Access-Control-Expose-Headers', "shuai,shuaishuai")
    self.set_cookie('kkkkk', 'vvvvv');
    self.write('{"status": true, "data": "seven"}')
  def options(self, *args, **kwargs):
    self.set_header('Access-Control-Allow-Origin', "http://www.xxx.com")
    self.set_header('Access-Control-Allow-Headers', "k1,k2")
    self.set_header('Access-Control-Allow-Methods', "PUT,DELETE")
    self.set_header('Access-Control-Max-Age', 10)

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