博客基础_django_python从入门到实践_创建简易版学习笔记网页

效果

　　建立学习笔记网页。其中包括主页和话题，话题中又有具体的条目。有条目则显示，没有则提示。

　　urls.py　　views.py　　 html

　　base.html　　index.html　　topics.html　　topic.html

主页

分类

某分类下具体条目

无条目

urls.py　　learning_log/

1 from django.conf.urls import urls, include
2 from django.contrib import admin #
3 
4 urlpatterns=[
5     url(r'^admin/',  admin.site.urls)
6     url(r'', include('learning_logs.urls', namespace='learning_logs')),                     
7 ]   PPhsoa

View Code

urls.py　　learning_logs/

1 from django.conf.urls import url
2 from . import views
3 
4 urlpatterns=[
5     url(r'^$', views.index, name='index'),
6     url(r'^topics/$', views.topics, name='topics'),
7     url(r'^topics/(?P<topic.id>d+)/$', views.topic, name='topic'),       
8 ]

View Code

views.py　　learning_logs/

 1 from django.shortcuts import render #
 2 from .models import Topic
 3 
 4 def index(request):
 5     return render(request, 'learning_logs/index.html')
 6 
 7 def topics(request):
 8     topics = Topic.objects.order_by('date_added')
 9     context = {'topics':topics}
10     return render(request, 'learning_logs/topics.html', context)
11 
12 def topic(request, topic_id):
13     topic = Topic.objects.get(id=topic_id)
14     entries = topic.entry_set.order_by('-date_added')
15     context = {'topic':topic, 'entries':entries}
16     return render(request, 'learning_logs.topic.html', context)

View Code

base.html　　 / learning_log/ learning_logs/templates/learning_logs/

1 <p>
2     <a href="{% url 'learning_logs:index' %}">Learning Log</a>-
3     <a hrer="{% url 'learning_logs:topics' %}">Topics</a>
4 </p>
5 
6 {% block content %}
7 {% endblock content %}

View Code

index.html　　/ learning_log/ learning_logs/templates/learning_logs/

1 {% extends 'learning_logs/base.html' %}
2 
3 {% block content %}
4    <p>Learning log helps you learn better..</p>
5 {% endblock content %}

View Code

topics.html / learning_log/ learning_logs/templates/learning_logs/

 1 {% extends 'learning_logs/bse.html' %}
 2 
 3 {% block content %}
 4     <p>Topics</p>
 5     <ul>
 6         {% for topic in topics %}
 7             <li>
 8                 <a href="{% url 'learning_logs:topic' topic.id %}">{{ topic }}</a>
 9             </li>
10         {% empty %}
11              No topic has been added here.
12         {% endfor %}
13     </ul>
14 {% endblock content %}

View Code

topic.html / learning_log/ learning_logs/templates/learning_logs/

 1 {% extends 'learning_logs/base.html' %}
 2 
 3 {% block content %}
 4     <p>Topic:{{ topic }}</p>
 5     <p>Entries:</p>
 6     <ul>
 7         {% for entry in entries %}
 8              <li>
 9                   <p>{{ entry.date_added|date:'M d, Y H:i' }}</p>
10                   <p>{{ entry.text|linebreaks }}</p>
11              </li>
12          {% empty %}
13               There are no entries for this topic yet.
14          {% endfor %}
15     </ul>
16 {% endblock content %}

View Code