微信小程序之实现登录功能代码
- models.py
from django.db import models
class User(models.Model):
open_id = models.CharField(max_length=64, unique=True)
nickname = models.CharField(max_length=256)
- urls.py
from django.urls import path
from app01 import views
urlpatterns = [
path('test', views.test_session),
path('authorize', views.authorize, name='authorize'),
path('user', views.UserView.as_view())
]
- views.py
import json
from django.http import JsonResponse
from django.views import View
from utils.response import wrap_json_response, ReturnCode, CommonResponseMixin
from utils.auth import already_authorized, c2s
from .models import User
def test_session(request):
request.session['message'] = 'Test Django Session OK!'
response = wrap_json_response(code=ReturnCode.SUCCESS)
return JsonResponse(data=response, safe=False)
def __authorize_by_code(request):
'''
使用wx.login的到的临时code到微信提供的code2session接口授权
post_data = {
'encryptedData': 'xxxx',
'appId': 'xxx',
'sessionKey': 'xxx',
'iv': 'xxx'
}
'''
response = {}
post_data = request.body.decode('utf-8')
post_data = json.loads(post_data)
app_id = post_data.get('appId').strip()
nickname = post_data.get('nickname').strip()
code = post_data.get('code').strip()
print(code)
print(app_id)
if not (app_id and code):
response['result_code'] = ReturnCode.BROKEN_AUTHORIZED_DATA
response['message'] = 'authorized failed. need entire authorization data.'
return JsonResponse(response, safe=False)
try:
data = c2s(app_id, code)
except Exception as e:
print(e)
response['result_code'] = ReturnCode.FAILED
response['message'] = 'authorized failed.'
return JsonResponse(response, safe=False)
open_id = data.get('openid')
if not open_id:
response['result_code'] = ReturnCode.FAILED
response['message'] = 'authorization error.'
return JsonResponse(response, safe=False)
request.session['open_id'] = open_id
request.session['is_authorized'] = True
print(open_id)
# User.objects.get(open_id=open_id) # 不要用get，用get查询如果结果数量 !=1 就会抛异常
# 如果用户不存在，则新建用户
if not User.objects.filter(open_id=open_id):
new_user = User(open_id=open_id, nickname=nickname)
new_user.save()
message = 'user authorize successfully.'
response = wrap_json_response(data={}, code=ReturnCode.SUCCESS, message=message)
return JsonResponse(response, safe=False)
def authorize(request):
return __authorize_by_code(request)
class UserView(View, CommonResponseMixin):
# 关注的城市、股票和星座
def get(self, request):
if not already_authorized(request):
response = self.wrap_json_response(code=ReturnCode.SUCCESS)
return JsonResponse(data=response, safe=False)
open_id = request.session.get('open_id')
user = User.objects.get(open_id=open_id)
data = {}
data['focus'] = {}
data['focus']['city'] = json.loads(user.focus_cities)
data['focus']['stock'] = json.loads(user.focus_stocks)
data['focus']['constellation'] = json.loads(user.focus_constellations)
response = self.wrap_json_response(data=data, code=ReturnCode.SUCCESS)
return JsonResponse(data=response, safe=False)
pass
def post(self, request):
if not already_authorized(request):
response = self.wrap_json_response(code=ReturnCode.SUCCESS)
return JsonResponse(data=response, safe=False)
open_id = request.session.get('open_id')
user = User.objects.get(open_id=open_id)
received_body = request.body.decode('utf-8')
received_body = eval(received_body)
cities = received_body.get('city')
stocks = received_body.get('stock')
constellations = received_body.get('constellation')
user.focus_cities = json.dumps(cities)
user.focus_stocks = json.dumps(stocks)
user.focus_constellations = json.dumps(constellations)
user.save()
response = self.wrap_json_response(code=ReturnCode.SUCCESS, message='modify user info success.')
return JsonResponse(data=response, safe=False)
pass
- settings.py
import os
Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(file)))
USE_PROXY = False
Quick-start development settings - unsuitable for production
SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'ab#l=_v8#nou)=-5-q_0!oyc%#$@7#z4^e#rr!2ru&ro9jdmvm'
SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
ALLOWED_HOSTS = []
Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'app01'
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
#'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'untitled5.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(BASE_DIR, 'templates')]
,
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'untitled5.wsgi.application'
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': '123',
'USER': 'root',
'PASSWORD': '',
'HOST': 'localhost',
'PORT': 3306,
}
}
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
STATIC_URL = '/static/'
WX_APP_SECRET = '0a1a1135c4507c4d41bd12dab1013ea0'