FBVfunction base viewurl.pyindex -> 函数名view.pydef 函数(requset):...CBVclass base view/index/ -》 函数名/index/ -> 类 方法
######################################
from django.views import View
class Home(View):def dispatch(self, request, *args, **kwargs):#调用父类中的dispatch  此方法可以类比为装饰器print('before')result = super(Home,self).dispatch( request, *args, **kwargs)print('after')return resultdef get(self,request):print(request.method)return render(request,'home.html')def post(self,request):print(request.method)return render(request, 'home.html')
####################################################请求头
Request URL:http://127.0.0.1:8000/home/?
Request Method:GET
Status Code:200 OK
Remote Address:127.0.0.1:8000############################################
from django.conf.urls import url
from app01 import views
urlpatterns = [path('admin/', admin.site.urls),url(r'^index/', views.index),url(r'^login/', views.login),url(r'^home/', views.Home.as_view())
]
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dispatch()方法 用来反射找到get/post方法5.装饰器路由系统
########################################{% for y in user_dict.values %}  {% for y in user_dict.keys %} {% for x,y in user_dict.items %}<li>{{y}}</li>{% endfor %}python for i in user_dict.keys():python for i in user_dict.values():python for i,j in user_dict.items():路由系统，URL1、url(r'^index/', views.index), url(r'index/', Views.Home.as_view()),  /*from django.views import View*/2、url(r'^index-(\d+).html', Views.detail),  正则 一类 url对应一个函数 开发了个查看详细页面def detail(request, nid):detail_info = USER_DICT[nid]return render(request,'detail.html', {'detail_info':detail_info})3、分组 根据?P<nid>url(r'^detail-(?P<nid>\d+)-(?P<uid>\d+).html', views.detail), #分组def detail(request, nid, uid):  (#?P<nid>\d+)  (?P<uid>\d+) 此时就与nid uid存放位置无关啦passdef detail(request, *args, **kwargs):  #这就可以表示多个值传递 如果按顺序就放在args 为元组 如果传nid 就放在 kwargs 为字典return HttpResponse(kwargs['nid'])实战:a:  url(r'^detail-(\d+)-(\d+).html', views.detail),def func(request, nid, uid):passb:  url(r'^detail-(\d+)-(\d+).html', views.detail),def func(request,*args):return HttpResponse(args[1])c:  url(r'^detail-(?P<nid>\d+)-(?P<uid>\d+).html', views.detail),def func(request, *args,**kwargs):kwargs = {'nid':1, "uid":2}4、 name  对URL路由关系进行命名，****** 以后可以根据此名称生成自己想要的URL *****a:  <form action="{% url 'indexx' %}" method="POST">url(r'^index/', views.index, name='i1')b:  url(r'^cc/(\d+)/(\d+)' , views.index, name='i2'),c:  url(r'^dd/(?P<nid>\d+)/(?P<uid>\d+)' , views.index, name='i3'),def func(request, *args, **kwargs):from django.urls import reverseurl1 = reverse('i1')  #index/url2 = reverse('i2', args=(1, 2,))  #cc/1/2url3 = reverse('i3', kwargs={"nid":1,"uid":2,}) dd/1/2模板语言xxx.html{% url "i1" %} #index/{% url 'i2' 1 2 %} #cc/1/2{% url nid=1 uid=2 %} #dd/1/2模板语言:{% url "indexx" %}{% url "indexx" 2 %}注:request.path_info 为当前的url  {{ request.path.info }}5、url的分发一级路径 主目录下 urls.pyfrom django.contrib import adminfrom django.conf.urls import url,includeurlpatterns = [url(r'^cmdb/', include("app01.urls")),url(r'^db/', include("app02.urls")),]在app01下创建一个urls.py  二级路径from django.contrib import adminfrom django.conf.urls import url,includefrom app01 import viewsurlpatterns = [url(r'^login/', views.login),]