DjangoURL反向解析

    #添加書籍
    url(r'^add_book/', views.add_book,name='abook'), #name='abook'  別名

    # 刪除書籍
    url(r'^delete_book/(\d+)/', views.delele_book,name='delete_book'),

視圖:
    from django.urls import reverse
    reverse('別名')  reverse('abook') -- /add_book/  #不帶參數的
    print(reverse('delete_book',args=(71,))) #/delete_book/71/ 帶參數的
模板:
    {% url 'abook' %}  無參數的
    {% url 'delete_book' book.id %}  無參數的