Python 导入错误：没有名为<；的模块；appname>；

很多其他人都遇到过错误

没有名为

的模块。然而。我无法理解他们的问题。我尝试运行manage.py shell，然后导入了应用程序（博客）。成功了。那么我的代码有什么问题

url.py:

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^$', 'projectname.blog.views.index', name = 'index')
]

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
)

from django.shortcuts import render

from blog.models import posts

def home(request):
    return render('index.html', {'title': 'My First Post'})

Request Method:     GET
Request URL:    http://localhost:8000/
Django Version:     1.8.5
Exception Type:     ImportError
Exception Value:    

No module named blog

Exception Location:     /usr/lib/python2.7/importlib/__init__.py in import_module, line 37
Python Executable:  /usr/bin/python
Python Version:     2.7.6

设置。py:

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^$', 'projectname.blog.views.index', name = 'index')
]

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
)

from django.shortcuts import render

from blog.models import posts

def home(request):
    return render('index.html', {'title': 'My First Post'})

Request Method:     GET
Request URL:    http://localhost:8000/
Django Version:     1.8.5
Exception Type:     ImportError
Exception Value:    

No module named blog

Exception Location:     /usr/lib/python2.7/importlib/__init__.py in import_module, line 37
Python Executable:  /usr/bin/python
Python Version:     2.7.6

视图。py:

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^$', 'projectname.blog.views.index', name = 'index')
]

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
)

from django.shortcuts import render

from blog.models import posts

def home(request):
    return render('index.html', {'title': 'My First Post'})

Request Method:     GET
Request URL:    http://localhost:8000/
Django Version:     1.8.5
Exception Type:     ImportError
Exception Value:    

No module named blog

Exception Location:     /usr/lib/python2.7/importlib/__init__.py in import_module, line 37
Python Executable:  /usr/bin/python
Python Version:     2.7.6

错误消息：

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^$', 'projectname.blog.views.index', name = 'index')
]

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
)

from django.shortcuts import render

from blog.models import posts

def home(request):
    return render('index.html', {'title': 'My First Post'})

Request Method:     GET
Request URL:    http://localhost:8000/
Django Version:     1.8.5
Exception Type:     ImportError
Exception Value:    

No module named blog

Exception Location:     /usr/lib/python2.7/importlib/__init__.py in import_module, line 37
Python Executable:  /usr/bin/python
Python Version:     2.7.6

---

不要在特定应用程序的路径中使用项目名称。而不是

url(r'^$', 'projectname.blog.views.index', name = 'index')

使用

---

不要在特定应用程序的路径中使用项目名称。而不是

url(r'^$', 'projectname.blog.views.index', name = 'index')

使用

有几个问题：

您的项目不是包，因此不应添加

projectname

---

您的视图名称是

home

，而不是

index

因此，您应该使用：

url(r'^$', 'blog.views.home', name='index')

有几个问题：

您的项目不是包，因此不应添加

projectname

---

您的视图名称是

home

，而不是

index

因此，您应该使用：

url(r'^$', 'blog.views.home', name='index')

---

在your views.py中，您被定义为主视图而不是索引 试试下面一个

def index(request):
    return render('index.html', {'title': 'My First Post'})

---

在your views.py中，您被定义为主视图而不是索引 试试下面一个

def index(request):
    return render('index.html', {'title': 'My First Post'})

---

你的项目不是一个包（也不应该是）。只需离开blog.views.index。谢谢@sobolevn。但是它给了我一个错误：“无法导入”blog.views.index“。视图在模块blog.views中不存在。您的视图名称是

home

。不

索引

。您的项目不是包（也不应该是包）。只需离开blog.views.index。谢谢@sobolevn。但是它给了我一个错误：“无法导入”blog.views.index“。视图在模块blog.views中不存在。您的视图名称是

home

。非

索引

。