Django URL组件

from django.contrib import admin
from django.urls import path
from . import views
#django处理url请求
urlpatterns = [
    path('admin/', admin.site.urls),
    #http://127.0.0.1:8000/page/2003/
    path('page/2003/',views.page_2003_view),
    #http://127.0.0.1:8000/
    path('',views.index_view),
    #http:127.0.0.1:8000/page/1/
    path('page/1/',views.page_1_view),
    #http:127.0.0.1:8000/page/1/
    path('page/2/',views.page_2_view),

]

语法：<转换器类型:自定义名>

 #http:127.0.0.1:8000/page/3~100/
 path('page/',views.page_n_view),
 path('//', views.cal_view)

函数 re_path(route, view, kwargs=None, name=None)

#http:127.0.0.1:8000/整数2/操作符/整数2
re_path(r'^(?Pd{1,2})/(?Pw+)/(?Pd{1,2})$',views.cal2_view),
#http:127.0.0.1:8000/birthday/年/月/日
re_path(r'^birthday/(?Pd{4})/(?Pd{1,2})/(?Pd{1,2})$',views.birthday_view),
#http:127.0.0.1:8000/birthday/月/日/年
re_path(r'^birthday/(?Pd{1,2})/(?Pd{1,2})/(?Pd{4})$',views.birthday_view)

1.绝对地址
http://127.0.0.1:8000/
2.相对地址