解決Python中設置與獲取cookie時出現的中文編碼問題。


python中直接設置與獲取cookie時,會出現編碼錯誤。

(1)在設置cookie時沒有考慮編碼問題,例如書寫的格式為:

 response.set_cookie("favorite_color",request.GET["favorite_color"])

當cookie中含有中文時,可能會出現下面的錯誤:

Traceback (most recent call last):
  File "D:\program files\python37\lib\socketserver.py", line 650, in process_request_thread
    self.finish_request(request, client_address)
  File "D:\program files\python37\lib\socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "D:\program files\python37\lib\socketserver.py", line 720, in __init__
    self.handle()
  File "D:\python\workspace\mysite\venv\lib\site-packages\django\core\servers\basehttp.py", line 154, in handle
    handler.run(self.server.get_app())
  File "D:\program files\python37\lib\wsgiref\handlers.py", line 144, in run
    self.close()
  File "D:\program files\python37\lib\wsgiref\simple_server.py", line 35, in close
    self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'

(2)我們可能會想到在設置cookie值的時候通過encode('utf-8')函數進行轉碼,於是進一步改進的代碼為:

response.set_cookie("favorite_color",request.GET["favorite_color"].encode('utf-8'))

這是網頁就能順利獲取到的cookie中包含的中文字符了。

但是又出現了另外一個問題:后台獲取剛剛存放在cookie中的值時,顯示的內容不是原本的字符,而是轉碼后的十六進制字符,類似於下面這種:

Your favorite color is b'\xe8\x93\x9d\xe7\xbb\xbf\xe8\x89\xb2'

(3)解決方案為:

存儲cookie的方法:

favorite_color=request.GET.get('favorite_color')
color=favorite_color.encode('utf-8').decode('latin-1')
response.set_cookie("favorite_color",color)    

獲取cookie的方法:

return HttpResponse("Your favorite color is %s" % request.COOKIES["favorite_color"].encode('latin-1').decode('utf-8'))

 


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