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app.py
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app.py
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from werkzeug.utils import cached_property
from werkzeug.contrib.securecookie import SecureCookie
from flask import Flask as _Flask, Request as _Request, request, Response
SECRET_KEY = 'SECRET_KEY'
class Request(_Request):
@cached_property
def client_session(self):
return SecureCookie.load_cookie(self, secret_key=SECRET_KEY)
class Flask(_Flask):
request_class = Request
app = Flask(__name__)
app.config['SECRET_KEY'] = SECRET_KEY
def get_cookie():
return request.cookies
def get_secure_cookie():
return request.client_session
def generate_value(cookie):
try:
value = int(cookie.get('count'))
except Exception:
value = 0
else:
value += 1
return value
@app.route('/')
@app.route('/index')
def index():
return 'hello flask'
@app.route('/set_cookie')
def set_cookie():
"""设置cookie"""
cookies = get_cookie()
print(cookies)
value = generate_value(cookies)
response = Response()
response.set_cookie('count', str(value))
response.set_data(
'request cookies:<br>' + str(request.cookies) + '<br><br>' +
'response header:<br>' + str(response.headers)
)
return response
@app.route('/set_secure_cookie')
def set_secure_cookie():
# get cookies
cookies = get_cookie()
print(cookies)
# get secure cookie
# default key is 'session'
secure_cookie = get_secure_cookie()
print(secure_cookie) # request secure_cookie
value = generate_value(secure_cookie)
secure_cookie['count'] = value # set secure cookie
response = Response()
secure_cookie.save_cookie(response)
# print(secure_cookie) # response secure_cookie
response.set_data(
'request cookies:<br>' + str(request.cookies) + '<br><br>' +
'response header:<br>' + str(response.headers)
)
return response
@app.route('/delete_cookie')
def delete_cookie():
"""删除cookie"""
key = request.args.get('key') or 'count'
cookies = request.cookies
print(cookies)
response = Response()
response.delete_cookie(key)
response.set_data(
'request cookies:<br>' + str(request.cookies) + '<br><br>' +
'response header:<br>' + str(response.headers)
)
return response
if __name__ == "__main__":
app.run(debug=True)