单击“提交”按钮时,我试图创建一个表单并将数据保存到数据库。但是数据没有保存到数据库中。我没有任何错误。我是django 1.11。我提到了几个stackoverflow问题,而这些问题并不能解决我的问题。有人可以帮忙修复它吗?提前致谢。
model.py
from __future__ import unicode_literals
from django.db import models
class NameForm(models.Model):
your_name = models.CharField(max_length=200)
views.py
from __future__ import unicode_literals
from django.shortcuts import render
from django.http import HttpResponseRedirect, HttpResponse
from django.views import generic
from django.template.response import TemplateResponse
from home.models import NameForm
from .forms import NameForm
class NameView(generic.View):
model_class = NameForm
initial = {'key': 'value'}
template_name = 'home/name.html'
def get(self, request, *args, **kwargs):
model = self.model_class()
return render(request, self.template_name, {'model': NameForm})
def post(self, request, *args, **kwargs):
if request.method == 'POST':
form = NameForm(request.POST)
if form.is_valid():
return HttpResponseRedirect('thanks/')
if form.is_valid():
form.save()
else:
form = NameForm()
return render(request, 'name.html', {'form': form})
urls.py
from django.conf.urls import url
from . import views
app_name = 'home'
urlpatterns = [
url(r'^$', views.NameView.as_view(), name='name'),
url(r'^your-name/$', views.NameView.as_view(), name='name'),
url(r'^your-name/thanks/$', views.NameView.as_view(), name='name'),
]
home / name.html
<form action="your-name/" method="post">
{% csrf_token %}
<label for="your_name">Your name: </label>
<input id="your_name" type="text" name="your_name" value="{{ current_name }}">
<input type="submit" value="OK">
</form>
forms.py
from .models import NameForm
from django import forms
class NameForm(forms.Form):
your_name = forms.CharField(label='Your name', max_length=100)
class Meta:
model = NameForm
fields = ['your_name']
答案 0 :(得分:5)
如果使用Django附带的电池,您会变得更加轻松。这是下面版本中的修复程序列表...
NameModel
是模型,NameForm
是表单。 (但是,您通常会从模型名称中真正剔除Model
–只是Name
听起来像是一个愚蠢的模型名称...)ModelForm
。它们会根据您的模型自动验证输入,让您轻松保存模型等。CreateView
/ UpdateView
/ FormView
通用视图来处理模型的创建,更新,输入等。不需要代码,只需配置即可!form.as_p
将为您提供准系统; form.your_name
将呈现该字段,等等。仅是一个合理的警告:这是干式编码,因此可能会有错别字或其他小词。
from django.db import models
class NameModel(models.Model):
your_name = models.CharField(max_length=200)
from django import forms
class NameForm(forms.ModelForm):
class Meta:
model = NameModel
fields = ['your_name']
from django.views.generic import CreateView
from django.urls import reverse_lazy
from .models import NameModel
from .forms import NameForm
class NameView(CreateView):
model_class = NameModel
form_class = NameForm
success_url = reverse_lazy('name-thanks')
initial = {'your_name': 'value'}
template_name = 'home/name.html'
from django.conf.urls import url
from django.views.generic import FormView
from .views import NameView
app_name = 'home'
urlpatterns = [
url(r'^$', NameView.as_view(), name='name'),
url(r'^your-name/thanks/$', TemplateView.as_view({'template_name': 'home/thanks.html'}), name='name-thanks'),
]
<form action="your-name/" method="post">
{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="OK">
</form>
答案 1 :(得分:4)
这是因为在保存之前您已经重定向(return HttpResponseRedirect('thanks/')
)
您的版本:
if form.is_valid():
return HttpResponseRedirect('thanks/')
if form.is_valid():
form.save()
else:
...
以及您要查找的版本,仅在保存表单并删除多余的第二个form.is_valid()
检查之后才具有重定向:
if form.is_valid():
form.save()
return HttpResponseRedirect('thanks/')
else:
...