DjangoURL反向解析

    #添加书籍
    url(r'^add_book/', views.add_book,name='abook'), #name='abook'  别名

    # 删除书籍
    url(r'^delete_book/(d+)/', views.delele_book,name='delete_book'),

视图:
    from django.urls import reverse
    reverse('别名')  reverse('abook') -- /add_book/  #不带参数的
    print(reverse('delete_book',args=(71,))) #/delete_book/71/ 带参数的
模板:
    {% url 'abook' %}  无参数的
    {% url 'delete_book' book.id %}  无参数的