Django(url参数)

#urls.py    参数一

urlpatterns = [
    path('admin/', admin.site.urls),
    path('index/',views.index,{"name":"alex"})       #将name=“alex”传给views.py中的index()函数      
]

#views.py

def index(req,name):
    return Httpresponse(name)

#urls.py      参数二

urlpatterns = [
    path('index/',views.index,name="alex"),         
]

<form action="{% url "alex" %}" method="post">                    //一旦action="{% url "alex" %}"，就从urls.py中找其中name="alex"的path()，然后将html中action中的内容替换成后端中'index/'

 <p><input type="text" name="name"></p>
 <p><input type="password" name="password"></p>
 <p><input type="submit"></p>
 </form>