使用django在社交应用程序上工作并点击注销已不起作用，原因如下：找不到页面(404(
找不到与查询匹配的配置文件请求方法：GET请求URL:http://127.0.0.1:8000/logout提出者：network.views。<类"network.views.ProfileDetailView">
Django使用project4.urls中定义的URLconf尝试了以下URL模式，顺序如下：管理员/[name='all-profiles-view'][name='profile-view']当前路径注销与上一个路径匹配。
还有没有一种简单的方法可以让用户的名字从指向其个人资料的任何页面上点击(ProfileDetailView(？？URL:
from django.urls import path
from django.conf import settings
from django.conf.urls.static import static
from . import views
from .views import (
posts_of_following_profiles,
like_unlike_post,
invites_received_view,
invite_profiles_list_view,
send_invitation,
remove_friends,
accept_invitation,
reject_invitation,
ProfileDetailView,
PostDeleteView,
PostUpdateView,
ProfileListView,
)
urlpatterns = [
path("", ProfileListView.as_view(), name="all-profiles-view"),
path("<slug>", ProfileDetailView.as_view(), name="profile-view"),
path("posts/", views.post_comment_create_view, name="posts"),
path("posts-follow/", posts_of_following_profiles, name="posts-follow"),
path("login", views.login_view, name="login"),
path("logout", views.logout_view, name="logout"),
path("register", views.register, name="register"),
path("liked/", like_unlike_post, name="like-post-view"),
path("<pk>/delete", PostDeleteView.as_view(), name="post-delete"),
path("<pk>/update", PostUpdateView.as_view(), name="post-update"),
path("invites/", invites_received_view, name="invites-view"),
path("send-invite/", send_invitation, name="send-invite"),
path("remove-friend/", remove_friends, name="remove-friend"),
path("invites/accept/", accept_invitation, name="accept-invite"),
path("invites/reject/", reject_invitation, name="reject-invite"),
path("to-invite/", invite_profiles_list_view, name='invite-profiles-view')
]
urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
视图：
from django.contrib.auth import authenticate, login, logout
from django.db import IntegrityError
from django.http import HttpResponse, HttpResponseRedirect
from django.http.response import JsonResponse
from django.shortcuts import render, redirect, resolve_url, get_object_or_404
from django.urls import reverse, reverse_lazy
from django.core import serializers
from django.core.paginator import Paginator
from django.contrib import messages
from django.contrib.auth.models import User
from django.db.models import Q
from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from itertools import chain
from .models import Relationship, Post, Profile, Like
from django.views.generic import TemplateView, View, UpdateView, DeleteView, ListView, DetailView
from .forms import ProfileModelForm, PostModelForm, CommentModelForm
class ProfileDetailView(LoginRequiredMixin, DetailView):
model = Profile
template_name = 'network/profile.html'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
user = User.objects.get(username__iexact=self.request.user)
profile = Profile.objects.get(user=user)
rel_r = Relationship.objects.filter(sender=profile)
rel_s = Relationship.objects.filter(receiver=profile)
rel_receiver = []
rel_sender = []
for item in rel_r:
rel_receiver.append(item.receiver.user)
for item in rel_s:
rel_sender.append(item.sender.user)
context["rel_receiver"] = rel_receiver
context["rel_sender"] = rel_sender
context["posts"] = self.get_object().get_all_authors_posts()
context["len_posts"] = True if len(self.get_object().get_all_authors_posts()) > 0 else False
return context
@login_required
def profile_view(request):
profile = Profile.objects.get(user=request.user)
form = ProfileModelForm(request.POST or None, request.FILES or None, instance=profile)
confirm = False
if request.method == 'POST':
if form.is_valid():
form.save()
confirm = True
context = {
'profile': profile,
'form': form,
'confirm': confirm,
}
return render(request, 'network/profile.html', context)
@login_required
def invites_received_view(request):
profile = Profile.objects.get(user=request.user)
qs = Relationship.objects.invitations_received(profile)
results = list(map(lambda x: x.sender, qs))
is_empty = False
if len(results) == 0:
is_empty = True
context = {
'qs':results,
'is_empty': is_empty,
}
return render(request, 'network/invites.html', context)
@login_required
def accept_invitation(request):
if request.method =='POST':
pk = request.POST.get('profile_pk')
sender = Profile.objects.get(pk=pk)
receiver = Profile.objects.get(user=request.user)
rel = get_object_or_404(Relationship, sender=sender, receiver=receiver)
if rel.status == 'send':
rel.status = 'accepted'
rel.save()
return redirect('invites-view')
@login_required
def reject_invitation(request):
if request.method=="POST":
pk = request.POST.get('profile_pk')
receiver = Profile.objects.get(user=request.user)
sender = Profile.objects.get(pk=pk)
rel = get_object_or_404(Relationship, sender=sender, receiver=receiver)
rel.delete()
return redirect('invites-view')
@login_required
def invite_profiles_list_view(request):
user = request.user
qs = Profile.objects.get_all_profiles_to_invite(user)
context = {'qs': qs}
return render(request, 'network/to_invite_list.html', context)
@login_required
def profiles_list_view(request):
user = request.user
qs = Profile.objects.get_all_profiles(user)
context = {'qs': qs}
return render(request, 'network/profile_list.html', context)
class ProfileListView(LoginRequiredMixin, ListView):
model = Profile
template_name = 'network/profile_list.html'
#context_object_name = 'qs'
def get_queryset(self):
qs = Profile.objects.get_all_profiles(self.request.user)
return qs
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
user = User.objects.get(username__iexact=self.request.user)
profile = Profile.objects.get(user=user)
rel_r = Relationship.objects.filter(sender=profile)
rel_s = Relationship.objects.filter(receiver=profile)
rel_receiver = []
rel_sender = []
for item in rel_r:
rel_receiver.append(item.receiver.user)
for item in rel_s:
rel_sender.append(item.sender.user)
context["rel_receiver"] = rel_receiver
context["rel_sender"] = rel_sender
context["is_empty"] = False
if len(self.get_queryset()) == 0:
context["is_empty"] = True
return context
@login_required
def send_invitation(request):
if request.method == 'POST':
pk = request.POST.get('profile_pk')
user = request.user
sender = Profile.objects.get(user=user)
receiver = Profile.objects.get(pk=pk)
rel = Relationship.objects.create(sender=sender, receiver=receiver, status='send')
return redirect(request.META.get('HTTP_REFERER'))
return redirect('profile')
@login_required
def remove_friends(request):
if request.method == 'POST':
pk = request.POST.get('profile_pk')
user = request.user
sender = Profile.objects.get(user=user)
receiver = Profile.objects.get(pk=pk)
rel = Relationship.objects.get(
(Q(sender=sender) & Q(receiver=receiver)) | (Q(sender=receiver) & Q(receiver=sender))
)
rel.delete()
return redirect(request.META.get('HTTP_REFERER'))
return redirect('profile')
@login_required
def like_unlike_post(request):
user = request.user
if request.method == 'POST':
post_id = request.POST.get('post_id')
post_obj = Post.objects.get(id=post_id)
profile = Profile.objects.get(user=user)
if profile in post_obj.liked.all():
post_obj.liked.remove(profile)
else:
post_obj.liked.add(profile)
like, created = Like.objects.get_or_create(user=profile, post_id=post_id)
if not created:
if like.value=='Like':
like.value='Unlike'
else:
like.value='Like'
else:
like.value='Unlike'
post_obj.save()
like.save()
data = {
'value': like.value,
'likes': post_obj.liked.all().count()
}
return JsonResponse(data, safe=False)
return redirect('posts')
@login_required
def post_comment_create_view(request):
qs = Post.objects.all()
profile = Profile.objects.get(user=request.user)
#Setting up pagination
p = Paginator(qs, 5)
page = request.GET.get('page')
post_list = p.get_page(page)
#Post form, comment form
p_form = PostModelForm()
c_form = CommentModelForm()
post_added = False
profile = Profile.objects.get(user=request.user)
if 'submit_pForm' in request.POST:
print(request.POST)
p_form = PostModelForm(request.POST, request.FILES)
if p_form.is_valid():
instance = p_form.save(commit=False)
instance.author = profile
instance.save()
p_form = PostModelForm()
post_added = True
if 'submit_cForm' in request.POST:
c_form = CommentModelForm(request.POST)
if c_form.is_valid():
instance = c_form.save(commit=False)
instance.user = profile
instance.post = Post.objects.get(id=request.POST.get('post_id'))
instance.save()
c_form = CommentModelForm()
context = {
'qs': qs,
'profile': profile,
'p_form': p_form,
'c_form': c_form,
'post_added': post_added,
'post_list': post_list,
}
return render(request, 'network/posts.html', context)
@login_required
def posts_of_following_profiles(request):
profile = Profile.objects.get(user=request.user)
users = [user for user in profile.following.all()]
posts = []
qs = None
for u in users:
p = Profile.objects.get(user=u)
p_posts = p.post_set.all()
posts.append(p_posts)
my_posts = profile.get_my_posts()
posts.append(my_posts)
if len(posts) > 0:
qs = sorted(chain(*posts), reverse=True, key=lambda obj: obj.created)
#Setting up pagination
p = Paginator(posts, 5)
page = request.GET.get('page')
post_list = p.get_page(page)
#Post form, comment form
p_form = PostModelForm()
c_form = CommentModelForm()
post_added = False
if 'submit_pForm' in request.POST:
print(request.POST)
p_form = PostModelForm(request.POST, request.FILES)
if p_form.is_valid():
instance = p_form.save(commit=False)
instance.author = profile
instance.save()
p_form = PostModelForm()
post_added = True
if 'submit_cForm' in request.POST:
c_form = CommentModelForm(request.POST)
if c_form.is_valid():
instance = c_form.save(commit=False)
instance.user = profile
instance.post = Post.objects.get(id=request.POST.get('post_id'))
instance.save()
c_form = CommentModelForm()
context = {
'posts': qs,
'profile': profile,
'p_form': p_form,
'c_form': c_form,
'post_added': post_added,
'post_list': post_list,
}
return render(request, 'network/followers_posts.html', context)
class PostDeleteView(LoginRequiredMixin, DeleteView):
model = Post
template_name = 'network/confirmDelete.html'
success_url = reverse_lazy('posts')
def get_object(self, *args, **kwargs):
pk = self.kwargs.get('pk')
obj = Post.objects.get(pk=pk)
if not obj.author.user == self.request.user:
messages.warning(self.request, 'You need to be the owner of the post in order to delete it!')
return obj
class PostUpdateView(LoginRequiredMixin, UpdateView):
form_class = PostModelForm
model = Post
template_name = 'network/update.html'
success_url = reverse_lazy('posts')
def form_valid(self, form):
profile = Profile.objects.get(user=self.request.user)
if form.instance.author == profile:
return super().form_valid(form)
else:
form.add_error(None, "You need to be the owner of the post in order to update it!")
return super().form_invalid(form)
def login_view(request):
if request.method == "POST":
# Attempt to sign user in
username = request.POST["username"]
password = request.POST["password"]
user = authenticate(request, username=username, password=password)
# Check if authentication successful
if user is not None:
login(request, user)
return HttpResponseRedirect(reverse("index"))
else:
return render(request, "network/login.html", {
"message": "Invalid username and/or password."
})
else:
return render(request, "network/login.html")
def logout_view(request):
logout(request)
return HttpResponseRedirect(reverse("index"))
def register(request):
if request.method == "POST":
username = request.POST["username"]
email = request.POST["email"]
# Ensure password matches confirmation
password = request.POST["password"]
confirmation = request.POST["confirmation"]
if password != confirmation:
return render(request, "network/register.html", {
"message": "Passwords must match."
})
# Attempt to create new user
try:
user = User.objects.create_user(username, email, password)
user.save()
except IntegrityError:
return render(request, "network/register.html", {
"message": "Username already taken."
})
login(request, user)
return HttpResponseRedirect(reverse("index"))
else:
return render(request, "network/register.html")
布局：
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
<title>{% block title %}Social Network{% endblock %}</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.css">
<link href="{% static 'network/styles.css' %}" rel="stylesheet">
<link rel="icon" href="{% static 'network/icon.jpg' %}">
<link href="https://fonts.googleapis.com/css?family=Archivo+Black&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Archivo:700&display=swap" rel="stylesheet">
<!-- jquery -->
{% block scripts %}
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js"></script>
<script src="{% static 'network/script.js' %}" defer></script>
{% endblock scripts %}
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="{% url 'all-profiles-view' %}">Network</a>
<ul class="navbar-nav mr-auto">
{% if user.is_authenticated %}
<li class="nav-item">
<a class="nav-link" href="#"><strong>{{ user.username }}</strong></a>
</li>
{% endif %}
<li class="nav-item">
<a class="nav-link" href="{% url 'posts' %}">All Posts</a>
</li>
{% if user.is_authenticated %}
<li class="nav-item">
<a class="nav-link" href="{% url 'posts-follow' %}">Following</a>
</li>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
<li class="nav-item">
<a class="nav-link" href="{% url 'logout' %}">Log Out</a>
</li>
{% else %}
<li class="nav-item">
<a class="nav-link" href="{% url 'login' %}">Log In</a>
</li>
<li class="nav-item">
<a class="nav-link" href="{% url 'register' %}">Register</a>
</li>
{% endif %}
</ul>
</div>
</nav>
<div class="container-fluid mt-3">
{% block body %}
{% endblock %}
</div>
</body>
</html>
查看您的urlpatterns。logout之前有profile-view。
path("<slug>", ProfileDetailView.as_view(), name="profile-view")
.
.
.
path("logout", views.logout_view, name="logout")
当您的注销URL和slug匹配并且您的ProfileDetailView被调用时，因为ProfileDetailView是在logout_view之前评估的。因此，更改URL的顺序，因为http://127.0.0.1:8000/之后的每个value都匹配该模式，并将被调用。因此，重新订购您的urls.py并进行检查。
因此，通过查看urls.py，不会影响将该ProfileDetailView放在urls的底部。
对于第二部分，通过点击username调用ProfileDetailView将html中的更改为
<li class="nav-item">
<a class="nav-link" href="{% url 'profile-view' user.username %}"><strong>{{ user.username }}</strong>.
</a>
</li>