booktest-4

1.增加视图函数

#Http://127.0.0.1/books
def show_books(request):
    books = BookInfo.objects.all()
    return render(request,'booktest/show_books.html',{'books':books})

2.在booktest的视图模板文件夹下面新增show_books.html

    
    


    图书信息如下：
    

        {%for book in books%}
            
{{book.btitle}}
        {%endfor%}
    

 3.修改app urls.py

from django.conf.urls import url
from . import  views

urlpatterns=[
    url(r'^index$',views.index),
    url(r'^index2$',views.index2),
    url(r'^books$',views.show_books),
]

4.访问Http://127.0.0.1/books

5.修改show_books视图模板

    
    


    图书信息如下：
    

        {%for book in books%}
            
{{book.btitle}}
        {%endfor%}
    

7.增加视图模板detail.html

8.增加视图函数

#Http://127.0.0.1/books/3
def detail(request,bid):
    book = BookInfo.objects.get(id=bid)
    heros = book.heroinfo_set.all()
    return render(request,'booktest/detail.html',
           {'book':book,'heros':heros})

9.修改视图模板detail.html

    
    


    
{{book.btitle}}
    英雄信息如下：
    

        {% for hero in heros %}
            
{{hero.hname}}--{{hero.hcomment}}
        {% empty %}
            
没有英雄信息
        {% endfor %}
    

10.修改app的urls.py

from django.conf.urls import url
from . import  views

urlpatterns=[
    url(r'^index$',views.index),
    url(r'^index2$',views.index2),
    url(r'^books$',views.show_books),
    url(r'^books/(\d+)$',views.detail),
]

11.访问Http://127.0.0.1:8000/books

12.点击某个图书，显示图书的名字以及相关的英雄信息