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DjangoForm内容补充以及MOdels的F Q

render 做一个渲染模板的事情

from django.shortcuts import render
from django.db.models import F
from django.db.models import Q
# Create your views here.
from django import forms
from app01 import models
class LoginForm(forms.Form):
def __init__(self,*args,**kwargs):
super(LoginForm,self).__init__(*args,**kwargs)
self.fields["userTypeId"].widget.choices=models.UserType.objects.all().values_list("id","caption")


c=models.UserType.objects.all().values_list("id","caption")
userTypeId=forms.IntegerField(widget=forms.Select(choices=c),error_messages={"invalid":"数据格式不正确"})
def index(requests):
c=models.UserType.objects.all().count()
print(c)




form=LoginForm()
con=Q()
q1=Q()
q1.connector="OR"
q1.children.append(("id","1"))
q1.children.append(("id","2"))
q1.children.append(("id","3"))
q2=Q()
q2.connector="OR"


q2.children.append(("caption","CE1"))
q2.children.append(("caption","CE2"))
con.add(q1,"AND")
con.add(q2,"AND")




obj=models.UserType.objects.filter(con)
for i in obj:
print(i.id,i.caption)






return render(requests,"index.html",{"val":"123","obj1":form})
def addUserType(requests):


cap=requests.GET.get("p",None)
models.UserType.objects.create(caption=cap)


return render(requests,"addUserType.html")

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