我在这里做 Django 教程:http://docs.djangoproject.com/en/1.2/intro/tutorial03/
我在 settings.py 中的 TEMPLATE_DIRS 如下所示:
TEMPLATE_DIRS = (
"/webapp2/templates/"
"/webapp2/templates/polls"
# Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
# Always use forward slashes, even on Windows.
# Don't forget to use absolute paths, not relative paths.
)
我的 urls.py 看起来像这样:
from django.conf.urls.defaults import *
from django.contrib import admin
admin.autodiscover()
urlpatterns = patterns('',
(r'^polls/$', 'polls.views.index'),
(r'^polls/(?P<poll_id>\d+)/$', 'polls.views.detail'),
(r'^polls/(?P<poll_id>\d+)/results/$', 'polls.views.results'),
(r'^polls/(?P<poll_id>\d+)/vote/$', 'polls.views.vote'),
(r'^admin/', include(admin.site.urls)),
)
我的 views.py 看起来像这样:
from django.template import Context, loader
from polls.models import Poll
from django.http import HttpResponse
def index(request):
latest_poll_list = Poll.objects.all().order_by('-pub_date')[:5]
t = loader.get_template('c:/webapp2/templates/polls/index.html')
c = Context({
'latest_poll_list': latest_poll_list,
})
return HttpResponse(t.render(c))
我认为我的模板路径错误,因为当我将 views.py 代码简化为类似这样的代码时,我能够加载页面。
from django.http import HttpResponse
def index(request):
return HttpResponse("Hello, world. You're at the poll index.")
我的索引模板文件位于 C:/webapp2/templates/polls/index.html。我究竟做错了什么?
This is the error I am getting:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\django\core\servers\basehttp.py", line 280, in run
self.result = application(self.environ, self.start_response)
File "C:\Python27\lib\site-packages\django\core\servers\basehttp.py", line 674, in __call__
return self.application(environ, start_response)
File "C:\Python27\lib\site-packages\django\core\handlers\wsgi.py", line 241, in __call__
response = self.get_response(request)
File "C:\Python27\lib\site-packages\django\core\handlers\base.py", line 141, in get_response
return self.handle_uncaught_exception(request, resolver, sys.exc_info())
File "C:\Python27\lib\site-packages\django\core\handlers\base.py", line 180, in handle_uncaught_exception
return callback(request, **param_dict)
File "C:\Python27\lib\site-packages\django\utils\decorators.py", line 76, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "C:\Python27\lib\site-packages\django\views\defaults.py", line 30, in server_error
t = loader.get_template(template_name) # You need to create a 500.html template.
File "C:\Python27\lib\site-packages\django\template\loader.py", line 157, in get_template
template, origin = find_template(template_name)
File "C:\Python27\lib\site-packages\django\template\loader.py", line 138, in find_template
raise TemplateDoesNotExist(name)
TemplateDoesNotExist: 500.html
最佳答案
TEMPLATE_DIRS = (
"/webapp2/templates/"
"/webapp2/templates/polls"
)
如果您不在中间放置逗号,Python 会在编译期间连接这些字符串。
还有一件事:通常你不需要硬编码模板目录。对于大多数情况,以下内容应该足够了:
def fromRelativePath(*relativeComponents):
return os.path.join(os.path.dirname(__file__), *relativeComponents).replace("\\","/")
TEMPLATE_LOADERS = (
"django.template.loaders.filesystem.Loader",
"django.template.loaders.app_directories.Loader",
)
TEMPLATE_DIRS = (
fromRelativePath("templates"),
)
这将使 Django 在“yoursite/templates”和每个已安装应用程序的“templates”目录中进行搜索。
关于python - 需要有关 Django 教程的帮助,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4705962/