Add modify urls.py
path('initial.html', views.initial),Modify models.py
class UserInfo(models.Model):
name = models.CharField(max_length=32)
ut = models.ForeignKey('UserType', on_delete=models.CASCADE)Create a database
python manage.py makemigrations
python manage.py migrateInsert table data
Modify views.py
def initial(request):
from app01 import models
if request.method == 'GET':
nid = request.GET.get('nid')
m = models.UserInfo.objects.filter(id=nid).first()
dic = {'username': m.name, 'user_type': m.ut_id}
obj = forms.InitialForm(dic)
return render(request, 'initial.html', {'obj': obj})
Modify forms.py
class InitialForm(DForms.Form):
username = fields.CharField()
user_type = fields.IntegerField(
widget=widgets.Select(choices=[])
)
def __init__(self, *args, **kwargs):
# 执行父类构造方法
super(InitialForm, self).__init__(*args, **kwargs)
self.fields['user_type'].widget.choices = models.UserType.objects.all().values_list('id', 'caption')Creating initial.html in the templates folder
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
{{ obj.username }}
{{ obj.user_type }}
</body>
</html>Access http://127.0.0.1:8000/initial.html?nid=2 , according to the initialization parameter nid = 2
