提交

git add . & git commit -m fixed

Url

传参 <book_id> path include

urls

命名空间 使用 app_name

include

include(module,namespace=None)

urlpatterns=[
    path('book/',include('book.urls','book'))
]

include((pattern_list,app_namespace),namespace=None) include(pattern_list)

int main(){
    return 0;
}

re

r"" 代表原生字符串 (raw) 不转义 r'\n'

Django Template Language