第一种方式来访问第一个页面(不常用)

1.blog/views.py

from django.http import HttpResponse
def index(request):
return HttpResponse('hello world')

2.myblog/urls.py

import blog.views as bv
urlpatterns = [
path('admin/', admin.site.urls),
path('index/', bv.index),
path('zhang/', bv.zhang),
]

3.直接url访问

第二种方式来访问第一个页面(常用)

1.在blog/views.py

from django.http import HttpResponse
def index(request):
    return HttpResponse('你好,世界')

2.myblog/urls

from django.urls import path,include
urlpatterns = [
    path('admin/', admin.site.urls),
    path('blog/', include('blog.urls')), *index主目录*
]

3.在blog/里创建urls.py

from django.urls import path
from . import views
urlpatterns = [
    path('/index, views.index),*index子目录*
]

4.访问127.0.0.1:8000/blog