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Question

好的，我是新手，正在学习教程 https://www.youtube.com/watch?v=D6esTdOLXh4

我的问题是，当您单击指向 post:

的链接时，该视频的最后一部分显示 posting 站点的 posts

Page not found (404)
Request Method: GET
Request URL:    http://localhost:8000/posts/details/1%3E/
Using the URLconf defined in djangoproject1.urls, Django tried these URL patterns, in this order:

[name='index']
details/<int:id>/ [name='details']
admin/
posts/ [name='index']
posts/ details/<int:id>/ [name='details']
The current path, posts/details/1>/, didn't match any of these.

这是我正在编辑的 .py 和 .html 文件，可能是搜索错误的最佳位置

posts/urls.py

from django.urls import path
from . import views

urlpatterns = [
    path('', views.index, name='index'),
    path('details/<int:id>/', views.details, name='details')
]

views.py

from django.shortcuts import render
from django.http import HttpResponse
from .models import Posts

# Create your views here.
def index(request):
    # return HttpResponse('HELLO FROM POSTS')

    # allows post to be shown in posts connected to index.html/
    posts = Posts.objects.all()[:10]

    context = {
        'title': 'Latest Posts',
        'posts': posts
    }

    return render(request, 'posts/index.html', context)

def details(request, id):
    post = Posts.objects.get(id=id)

    context = {
        'post': post
    }

return render(request, 'posts/details.html', context)

details.html

{% extends 'posts/layout.html' %}

{% block content %}
<h3 class="center-align red lighten-3">{{post.title}}</h3>
<div class="card">
    <div class="card-content">
        {{post.body}}
    </div>
    <div class="card-action">
        {{post.created_at}}       
    </div>
</div>
<a href="/posts" class="btn">Go Back</a>
{% endblock %}

Answer 1

您是否尝试过从 link 中删除“>”符号？你urls，不包含“>”符号，只有一个数字。因此，您放入 url 中的 link 不会与 urls.py 中的任何 link 连接。您还可以在 urls.py 中添加一个单独的 link，其中包含“>”，但我认为您不想这样做。让我知道这是否有效！

你的新 link 将是：

//localhost:8000/posts/details/1/

Answer 2

好的，所以我找到了答案，这只是我的 index.py 文件中 "s" 的拼写错误

{% extends 'posts/layout.html' %}

{% block content %}
<h3 class="center-align red lighten-3">{{title}}</h3>
<ul class="collection">
    <!-- allows post to be shown in posts connected to views.py/ -->
    {% for post in posts %}
        <li class="collection-item"><a href="/posts/details/{{post.id}}">{{post.title}}</a></li>
    {% endfor %}
</ul>
{% endblock %}

之前是：

<a href="/post/details/{{posts.id}}">

找不到本地主机页面

Local host page not found

django

localhost

django-models

http-status-code-404