我想使用AFHTTPClient與龍捲風服務器連接。這裏是我的代碼從客戶端:AttributeError:對象沒有屬性'json_args'
- (id)initWithBaseURL:(NSURL *)url {
self = [super initWithBaseURL:url];
if (!self) {
return nil;
}
[self setDefaultHeader:@"User-Agent" value:@"Client"];
[self setDefaultHeader:@"Accept" value:@"application/json"];
self.parameterEncoding = AFJSONParameterEncoding;
[self registerHTTPOperationClass:[AFJSONRequestOperation class]];
在服務器端,我設置的處理程序波紋管:
class BaseHandler(tornado.web.RequestHandler):
@property
def db(self):
return self.application.db
def prepare(self):
if self.request.headers.get("Content-Type") == "application/json":
self.json_args = tornado.escape.json_decode(self.request.body)
然後建立了這個處理程序的子類:
class TimelineHandler(BaseHandler):
def post(self):
user_id = self.json_args.get("user_id")
device_id = self.json_args.get("device_id")
token = self.json_args.get("token")
//do something with the request
self.write(response)
但是,當我運行這個代碼,它失敗並出現以下錯誤消息:
HTTPRequest(protocol='http', host=<CORRECT URL HERE>, method='POST', uri='CORRECT URL HERE', version='HTTP/1.0', remote_ip='127.0.0.1', body='{"user_id":1,"device_id":"b9af8d9039ec1e527fecca70caf486e1","token":"36c9a0fe-2c4f-4273-9e12-0f855e05de87"}', headers={'Content-Length': '107', 'Accept-Language': 'en;q=1, fr;q=0.9, de;q=0.8, ja;q=0.7, nl;q=0.6, it;q=0.5', 'Accept-Encoding': 'gzip, deflate', 'X-Scheme': 'http', 'Host': 'CORRECT URL HERE', 'Accept': 'application/json', 'User-Agent': 'Client', 'Connection': 'close', 'X-Real-Ip': '58.246.153.177', **'Content-Type': 'application/json**; charset=utf-8'})
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1077, in _execute
*self.path_args, **self.path_kwargs)
File "/server.py", line 128, in post
user_id = self.json_args.get("user_id")
**AttributeError: 'TimelineHandler' object has no attribute 'json_args'**
奇怪的是,在請求標題中,它清楚地顯示了'Content-Type':'application/json。那麼爲什麼處理程序仍然沒有屬性'json_args'?
我正在使用龍捲風3.0。
非常感謝你,如果你能給我任何建議。
你可以這樣做: if self.request.headers.get(「Content-Type」)中的「application/json」: 然後無論是否定義了charset = utf-8,它都會匹配 –