Question

在主函数中，我调用了一个函数，在该函数中调用了另一个应用程序，因此我以json格式获取数据。但我不知道在每个双引号“

前面的斜杠来自哪里。

在浏览器中，我看到带引号的数据 示例： {\"192.168.43.1\":[\"53\":{\"state\":\"open\"...

如果我不发送数据而是写入文件，那么数据将被写入文件而不会使用斜杠 示例： {"192.168.43.1":["53":{"state":"open"...

这是正常现象吗？如何删除斜线？该数据必须接受另一个应用程序并将其反序列化。

def get_ip(ip, port):
   return os.system("some_app")

@hug.get('/scan')
def main(ip: hug.types.text, port: hug.types.text):
    json = get_ip(ip, port)

    #JUST FOR TEST WITH PARAM safe=False                                                
    return JsonResponse("{\"192.168.1.1\":[\"80\":{\"state\":\"open\",\"reason\":\"syn-ack\",\"name\":\"http\",\"product\":\"\"}]}", safe=False)

没有参数的错误 safe = False：

Traceback (most recent call last):
 File "/usr/lib/python3.6/wsgiref/handlers.py", line 137, in run
 self.result = application(self.environ, self.start_response)
 File "/usr/local/lib/python3.6/dist-packages/falcon/api.py", line 244, in __call__
responder(req, resp, **params)
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 793, in __call__
raise exception
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 766, in __call__
self.render_content(self.call_function(input_parameters), context, request, response, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 703, in call_function
return self.interface(**parameters)
 File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 100, in __call__
return __hug_internal_self._function(*args, **kwargs)
File "script.py", line 181, in main
return JsonResponse("{\"192.168.1.1\":[\"80\":{\"state\":\"open\",\"reason\":\"syn-ack\",\"name\":\"http\",\"product\":\"\"}]}")
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 552, in __init__
'In order to allow non-dict objects to be serialized set the '
TypeError: In order to allow non-dict objects to be serialized set the safe parameter to False.

参数为 safe = False 的错误：

return JsonResponse("{\"192.168.1.1\":[\"80\":{\"state\":\"open\",\"reason\":\"syn-ack\",\"name\":\"http\",\"product\":\"\"}]}", safe=False)


 File "/usr/lib/python3.6/wsgiref/handlers.py", line 137, in run
self.result = application(self.environ, self.start_response)
 File "/usr/local/lib/python3.6/dist-packages/falcon/api.py", line 244, in __call__
responder(req, resp, **params)
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 793, in __call__
raise exception
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 766, in __call__
self.render_content(self.call_function(input_parameters), context, request, response, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 703, in call_function
return self.interface(**parameters)
File "/usr/local/lib/python3.6/dist-packages/hug/interface.py", line 100, in __call__
return __hug_internal_self._function(*args, **kwargs)
File "script.py", line 181, in main
return JsonResponse("{\"192.168.1.1\":[\"80\":{\"state\":\"open\",\"reason\":\"syn-ack\",\"name\":\"http\",\"product\":\"\"}]}", safe=False)
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 559, in __init__
super().__init__(content=data, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 291, in __init__
self.content = content
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 321, in content
content = self.make_bytes(value)
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 236, in make_bytes
return bytes(value.encode(self.charset))
File "/usr/local/lib/python3.6/dist-packages/django/http/response.py", line 85, in charset
return settings.DEFAULT_CHARSET
File "/usr/local/lib/python3.6/dist-packages/django/conf/__init__.py", line 57, in __getattr__
self._setup(name)
File "/usr/local/lib/python3.6/dist-packages/django/conf/__init__.py", line 42, in _setup
% (desc, ENVIRONMENT_VARIABLE))
django.core.exceptions.ImproperlyConfigured: Requested setting 
DEFAULT_CHARSET, but settings are not configured. You must either define the 
environment variable DJANGO_SETTINGS_MODULE or call settings.configure() 
before accessing settings.

Answer 1

您的return "result {json}"将返回包含json的字符串值。由于返回值是字符串，因此浏览器会向您显示多余的反斜杠，以便正确处理双引号。

要解决此问题，您可以在客户端处理字符串响应，并从字符串中提取json值。

JSON.parse(response);

但是，由于另一个应用程序期望使用json格式，因此最好使用JsonResponse来确保返回响应不是字符串，而是json格式

from django.http import JsonResponse
return JsonResponse(json)

我不明白服务器响应中json中的斜杠来自哪里

1 个答案: