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import random
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import string
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from functools import wraps
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import jwt
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from django.conf import settings
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# 导入user模型
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from django.contrib.auth import get_user_model, login, logout
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# views.py
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.models import User
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from django.contrib.sessions.models import Session
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from django.core.mail import send_mail
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# ajcx请求以json作为前后端交互
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from django.http.response import JsonResponse
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from django.middleware.csrf import get_token
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from django.shortcuts import render, HttpResponse, redirect, reverse
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# 注册界面
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from django.views.decorators.http import require_http_methods
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from rest_framework import status
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from rest_framework.authtoken.models import Token
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# User = get_user_model()
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from rest_framework.decorators import api_view, permission_classes
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from rest_framework.permissions import IsAuthenticated
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from .forms import RegisterForm, LoginForm, FundForm
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from .models import CaptchaModel, Fund
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from .serializers import FundSerializer
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from .utils import generate_jwt_token
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# @require_http_methods(['GET'])
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# def get_token(request):
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# token = request.session.get('token')
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# print('开始获取token')
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# print(f'token{token}')
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# print(f"会话数据2: {request.session.items()}")
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# if token:
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# return JsonResponse({'token': token})
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# else:
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# return JsonResponse({'error': 'No token found'}, status=400)
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def get_csrf_token_view(request):
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return JsonResponse({'csrfToken': get_token(request)})
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@api_view(['POST'])
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@permission_classes([IsAuthenticated])
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def add_fund(request):
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print('开始调用')
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serializer = FundSerializer(data=request.data)
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if serializer.is_valid():
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fund = serializer.save(user=request.user)
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return Response(serializer.data, status=status.HTTP_201_CREATED)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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@login_required
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def delete_fund(request, fund_id):
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fund = Fund.objects.get(id=fund_id, user=request.user) # 确保只能删除属于用户的基金
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if fund:
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fund.delete()
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return redirect('funds_list')
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return render(request, 'error.html', {'message': '无权进行此操作'})
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def validate_session(request):
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sessionid = request.GET.get('sessionid')
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if not sessionid:
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return JsonResponse({'error': 'No sessionid provided'}, status=400)
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try:
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session = Session.objects.get(session_key=sessionid)
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user_id = session.get_decoded().get('_auth_user_id')
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user = User.objects.get(pk=user_id)
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return JsonResponse({'username': user.username})
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except Session.DoesNotExist:
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return JsonResponse({'error': 'Invalid sessionid'}, status=400)
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except User.DoesNotExist:
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return JsonResponse({'error': 'User not found'}, status=400)
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# @login_required
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# def get_current_user(request):
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# # 从请求头中获取令牌
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# token = request.headers.get('Authorization')
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#
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# if not token:
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# return JsonResponse({'error': 'Authorization header is missing'}, status=401)
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#
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# try:
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# # 验证令牌
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# decoded_token = jwt.decode(token, settings.SECRET_KEY, algorithms=['HS256'])
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# user_id = decoded_token.get('user_id')
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# if user_id:
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# # 如果令牌有效，返回用户数据
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# user = User.objects.get(pk=user_id)
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# return JsonResponse({
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# 'user_id': user.id,
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# 'username': user.username,
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# 'email': user.email
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# })
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# else:
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# return JsonResponse({'error': 'Invalid token'}, status=401)
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# except jwt.ExpiredSignatureError:
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# return JsonResponse({'error': 'Token has expired'}, status=401)
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# except jwt.InvalidTokenError:
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# return JsonResponse({'error': 'Invalid token'}, status=401)
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# Create your views here.
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@login_required
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def get_current_user(request):
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sessionid = request.COOKIES.get('sessionid')
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print(f'sessionid2:{sessionid}')
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if not sessionid:
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return JsonResponse({'error': 'No sessionid provided'}, status=400)
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try:
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session = Session.objects.get(session_key=sessionid)
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user_id = session.get_decoded().get('_auth_user_id')
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user = User.objects.get(pk=user_id)
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return JsonResponse({'user_id': user.id, 'username': user.username})
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except Session.DoesNotExist:
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return JsonResponse({'error': 'Invalid sessionid'}, status=400)
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except User.DoesNotExist:
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return JsonResponse({'error': 'User not found'}, status=400)
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def index(request):
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return render(request, '初始页面.html')
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@login_required
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def streamlit_test(request):
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sessionid = request.GET.get('sessionid')
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print(sessionid)
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return render(request, 'stream_test.html', {'sessionid': sessionid})
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# return render(request, 'stream_test.html')
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# def login(request):
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# print('开始登录')
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# return render(request, '登录界面.html')
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@require_http_methods(['GET', 'POST'])
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def lg_login(request):
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print('开始登录')
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if request.method == 'GET':
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return render(request, '登录界面.html')
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else:
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form = LoginForm(request.POST)
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if form.is_valid():
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email = form.cleaned_data.get('email')
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password = form.cleaned_data.get('password')
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remember = form.cleaned_data.get('remember')
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user = User.objects.filter(email=email).first()
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if user and user.check_password(password):
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# 登录
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login(request, user)
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# 判断是否需要记住我
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if not remember:
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print('不记住')
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# 如果没有点击记住我，那么就要设置过期时间为0，即浏览器关闭后就会过期
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request.session.set_expiry(0)
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else:
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print('记住两周')
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request.session.set_expiry(1209600) # 设置会话两周（1209600秒）过期
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# 如果点击了，那么就什么都不做，使用默认的2周的过期时间
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# return render(request, 'stream_test.html', {'form': form})
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# return redirect('/streamlit')
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print(f'session:{request.session.session_key}')
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return redirect(f'/streamlit/?sessionid={request.session.session_key}')
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else:
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print('邮箱或密码错误！')
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# form.add_error('email', '邮箱或者密码错误！')
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# return render(request, 'login.html', context={"form": form})
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return render(request, '登录界面.html', {'form': form})
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else:
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# 表单无效，返回表单错误
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return render(request, '登录界面.html', {'form': form})
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#
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# @require_http_methods(['GET', 'POST'])
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# def lg_login(request):
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# if request.method == 'GET':
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# return render(request, '登录界面.html', {'form': LoginForm()})
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# else:
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# form = LoginForm(request.POST)
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# if form.is_valid():
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# email = form.cleaned_data.get('email')
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# password = form.cleaned_data.get('password')
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# remember = form.cleaned_data.get('remember')
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# user = User.objects.filter(email=email).first()
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# if user and user.check_password(password):
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# # 登录
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# login(request, user)
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# # 生成Token
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# token, created = Token.objects.get_or_create(user=user)
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# # 生成Token
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# # 存储token到会话中
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# print(f'token:{token.key}')
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# request.session['token'] = token.key
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# print(f"存储的token: {request.session['token']}")
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# print(f"会话数据: {request.session.items()}")
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# # 判断是否需要记住我
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# if not remember:
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# request.session.set_expiry(0) # 浏览器关闭后会话过期
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# else:
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# request.session.set_expiry(1209600) # 两周（1209600秒）过期
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# # 返回Token到前端
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# # return JsonResponse({'token': token.key})
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# return redirect(f'/streamlit/?token={token.key}')
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# else:
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#
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# return render(request, '登录界面.html', {'form': form, 'error': '邮箱或者密码错误！'})
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# else:
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# return render(request, '登录界面.html', {'form': form, 'error': '表单无效！'})
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# @require_http_methods(['GET', 'POST'])
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# def lg_login(request):
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# print('开始登录')
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# if request.method == 'GET':
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# csrf_token = get_token(request)
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# response = JsonResponse({'csrfToken': csrf_token})
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# response.set_cookie('csrftoken', csrf_token)
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# return response
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# else:
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# form = LoginForm(request.POST)
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# if form.is_valid():
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# print('表单有效')
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# email = form.cleaned_data.get('email')
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# password = form.cleaned_data.get('password')
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# remember = form.cleaned_data.get('remember')
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# user = User.objects.filter(email=email).first()
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# if user and user.check_password(password):
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# login(request, user)
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# if not remember:
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# request.session.set_expiry(0) # 浏览器关闭后会话过期
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# else:
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# request.session.set_expiry(1209600) # 两周（1209600秒）过期
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# return JsonResponse({'sessionid': request.session.session_key, 'csrfToken': csrf_token})
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# return render(request, '登录界面.html', {'form': form, 'error': '邮箱或者密码错误！'})
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# else:
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# return render(request, '登录界面.html', {'form': form, 'error': '表单无效！'})
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def lg_logout(request):
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logout(request)
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return render(request, '登录界面.html')
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# 装饰器
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@require_http_methods(['GET', 'POST'])
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def register(request):
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print('开始注册')
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if request.method == 'GET':
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return render(request, '注册界面.html')
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else:
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form = RegisterForm(request.POST)
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if form.is_valid():
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print('注册成功')
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email = form.cleaned_data.get('email')
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username = form.cleaned_data.get('username')
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password = form.cleaned_data.get('password')
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User.objects.create_user(email=email, username=username, password=password)
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return render(request, '登录界面.html', {'form': form})
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else:
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print('注册失败')
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print(form.errors)
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return render(request, '注册界面.html', {'form': form})
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def sender_email_captcha(request):
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email = request.GET.get('email')
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if not email:
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return JsonResponse({"code": 400, "message": "必须传递邮箱"})
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captcha = "".join(random.sample(string.digits, k=4))
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CaptchaModel.objects.update_or_create(email=email, defaults={'captcha': captcha})
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send_mail("流感基金关联分析系统", message=f"您的注册验证码是{captcha}", recipient_list=[email], from_email=None)
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return JsonResponse({"code": 200, "message": "邮箱验证码发送成功"})
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# 生成验证码
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# ee2
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#更新数据
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def update(request):
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import os
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print("Current working directory:", os.getcwd())
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import sys
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# print("\n".join(sys.path))
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sys.path.append('D:\\python\\pythonProject\\流感预测集成系统（django）\\liugan_yuce')
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# for item in os.listdir('.'):
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# print(item)
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from .liugan_zhoubao_spider import get_liuganzhoubao
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from .beijing_zhoubao_spider import get_beijing_zhoubao
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from .get_baidu_index import get_baidu_index
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from .tiantian_jijin_spider import get_tiantian_jijin_data,get_fund_data_by_code
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from .stock_data_spider import get_stock_data
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get_liuganzhoubao()
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get_beijing_zhoubao()
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get_baidu_index()
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get_tiantian_jijin_data()
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get_stock_data()
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# get_fund_data_by_code('000001')
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return HttpResponse('数据更新成功')
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