larken

摘要： #第14章 可迭代的对象、迭代器和生成器 # 迭代是数据处理的基石。扫描内存中放不下的数据集时，我们要找到一种惰性获取数据项的方式，即按需一次获取一个数据项。这就是迭代器模式（Iterator pattern）。 # 所有生成器都是迭代器，因为生成器完全实现了迭代器接口。 # 迭代器用于从集合中取出元素；而生成器用于“凭空”生成元素。 # 14.1 Sentence类第1版：单词序列 # 示例 ... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/ python manage.py migrate #boards/models.py class Topic(models.Model): views = models.PositiveIntegerField(default=0) # {% for topic in topics %} {... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/ #boards/models.py from django.utils.text import Truncator class Topic(models.Model): # ... def __str__(self): return self.subject class Post(mode... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/topics/1/reply/ http://127.0.0.1:8000/boards/1/topics/1/ #myproject/urls.py url(r'^boards/(?P\d+)/topics/(?P\d+)/reply/$',views.reply_topic, name='reply_topic'), #b... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/topics/1/ #boards/views.py @login_required def new_topic(request, pk): board = get_object_or_404(Board, pk=pk) if request.method == 'POST': form = N... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/ #boards/views.py from django.contrib.auth.decorators import login_required @login_required def new_topic(request, pk): {% csrf_token %} {% include... 阅读全文

摘要： # myproject/settings.py LOGIN_REDIRECT_URL = 'home' EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend' http://127.0.0.1:8000/login/ http://127.0.0.1:8000/signup/ http://127.0.0.1:8000/... 阅读全文

摘要： # myproject/settings.py LOGOUT_REDIRECT_URL = 'home' http://127.0.0.1:8000/logout/ # myproject/urls.py from django.conf.urls import url from django.contrib import admin from django.contrib.auth imp... 阅读全文

摘要： http://127.0.0.1:8000/signup/ django-admin startapp accounts INSTALLED_APPS = [ 'accounts', ] # myproject/urls.py from django.conf.urls import url from django.contrib import admin from accou... 阅读全文

摘要： http://127.0.0.1:8000/boards/1/ http://127.0.0.1:8000/boards/2/ http://127.0.0.1:8000/boards/3/ http://127.0.0.1:8000/boards/1/new/ http://127.0.0.1:8000/boards/2/new/ http://127.0.0.1:8000/boards/3/... 阅读全文

摘要： http://127.0.0.1:8000/ http://127.0.0.1:8000/boards/1/ http://127.0.0.1:8000/boards/2/ http://127.0.0.1:8000/boards/3/ .navbar-brand { font-family: 'Peralta', cursive; } {% load static %} ... 阅读全文

摘要： http://127.0.0.1:8000 http://127.0.0.1:8000/boards/1/ http://127.0.0.1:8000/boards/2/ http://127.0.0.1:8000/boards/3/ # myproject/urls.py from django.conf.urls import url from django.contrib import... 阅读全文

摘要： 在浏览器中打开该URL：http://127.0.0.1:8000/admin/ 我们可以检查一切是否正常，打开URL http://127.0.0.1:8000 我们首先创建一个管理员帐户： python manage.py createsuperuser 按照说明操作： Username (leave blank to use 'vitorfs'): larken Email addr... 阅读全文

摘要： http://127.0.0.1:8000 #下一步是告诉Django在哪里可以找到静态文件。打开settings.py，拉到文件的底部，在STATIC_URL后面添加以下内容： STATICFILES_DIRS = [ os.path.join(BASE_DIR, 'static'), ] {% load static %} B... 阅读全文

摘要： python manage.py test python manage.py test --verbosity=2 # boards/tests.py from django.core.urlresolvers import reverse from django.urls import resolve from django.test import TestCase from .views... 阅读全文

摘要： http://127.0.0.1:8000/ Boards Boards {% for board in boards %} {{ board.name }} {% endfor %} TEMPLATES = [ { ... 阅读全文

摘要： http://127.0.0.1:8000/ # boards/views.py from django.http import HttpResponse from .models import Board def home(request): boards = Board.objects.all() boards_names = list() for board... 阅读全文