[英]Django form.save()
I have some problem with CRUD in django, I can't add object to database 我在Django中遇到CRUD的问题,无法将对象添加到数据库中
views.py views.py
@login_required
def persons_add(request):
form = forms.PersonForm(request.POST)
if form.is_valid():
form.save()
return redirect('persons_list')
context = {
'form': form
}
return render(request, 'persons/persons_add.html', context)
form.html form.html
<form role="form" method="POST" action="/persons/">
{% csrf_token %}
<table class="table table-bordered">
{% for field in form.visible_fields %}
<tr>
<th>
{{ field.label }}
</th>
<td>
{{ field }}
</td>
</tr>
{% endfor %}
</table>
<button type="submit" name="submit" class="btn btn-success">Add Person</button>
</form>
forms.py 表格
from django import forms
from persons import models
class PersonForm (forms.ModelForm):
class Meta:
model = models.Person
fields = ['name', 'surname']
person_list.html person_list.html
<tbody>
{% for person in persons_list %}
<tr>
<td>{{ person.name }}</td>
<td>{{ person.surname }}</td>
<td>
<a href="{{ person.id }}/edit"
<p data-placement="top" data-toggle="tooltip" title="Edit"><button class="btn btn-primary btn-xs" data-title="Edit" data-toggle="modal" data-target="#edit" ><span class="glyphicon glyphicon-pencil"></span></button></p>
</a>
</td>
<td>
<a href="{{ person.id }}/delete">
<p data-placement="top" data-toggle="tooltip" title="Delete"><button class="btn btn-danger btn-xs" data-title="Delete" data-toggle="modal" data-target="#delete" ><span class="glyphicon glyphicon-trash"></span></button></p>
</a>
</td>
</tr>
{% endfor %}
</tbody>
urls.py (application) urls.py(应用程序)
from django.conf.urls import patterns, include, url
from django.contrib import admin
from persons import views
urlpatterns = patterns('',
#url(r'^$', views.PersonsView.as_view(), name='persons'),
url(r'^$', views.persons_list, name='persons_list'),
url(r'^add/', views.persons_add, name="persons_add"),
url(r'^(?P<person_id>\d+)/edit/$', views.persons_edit, name="persons_edit"),
url(r'^(?P<person_id>\d+)/delete/$', views.persons_delete, name="persons_delete"),
)
urls.py (main project) urls.py(主项目)
from django.conf.urls import patterns, include, url
from django.contrib import admin
from hr import views
urlpatterns = patterns('',
url(r'^persons/', include('persons.urls', namespace='persons')),
url(r'^admin/', include(admin.site.urls)),
url(r'^$', views.index, name='index'),
url(r'^logout/$', 'django.contrib.auth.views.logout', {'template_name': 'login.html'}),
url(r'^login/$', 'django.contrib.auth.views.login', {'template_name': 'login.html'}),
)
Anyone see where is the bug? 有人看到错误了吗? Why nothing is working here?
为什么这里没有工作? Why I can't send POST to datebase and add Person?
为什么我无法将POST发送到日期数据库并添加Person?
First of all, there are mistakes in your views
, you need to send the empty form on GET request, and handle the form when it's POST : 首先,您的
views
存在错误,您需要在GET请求中发送空表单,并在POST时处理该表单:
@login_required
def persons_add(request):
# check if it's POST request then handle the form
if request.method == 'POST':
form = forms.PersonForm(request.POST)
if form.is_valid():
form.save()
return redirect('persons_list')
else:
# if not, you need an empty form for GET request
form = forms.PersonForm()
context = {
'form': form
}
return render(request, 'persons/persons_add.html', context)
Correct this first and then we will check again where you are, one step at a time. 请先更正此问题,然后我们将再次检查您一次,一次一次。
Check your url route, you're currently posting to /persons/
, change to /persons/add/
as your url suggested. 检查您的网址路由,您当前正在发布到
/persons/
,根据您的网址建议更改为/persons/add/
。
Also, there is mistake in your main urls.py
, if you want to include application urls.py , do not mix with your main routes, split them like this: 另外,您的主
urls.py
存在错误,如果要包含应用程序urls.py ,请不要与主路由混合使用,请按以下方式拆分它们:
main urls.py: 主要urls.py:
urlpatterns = patterns('',
url(r'^admin/', include(admin.site.urls)),
url(r'^$', views.index, name='index'),
url(r'^logout/$', 'django.contrib.auth.views.logout', {'template_name': 'login.html'}),
url(r'^login/$', 'django.contrib.auth.views.login', {'template_name': 'login.html'}),
)
# split your app urls and using += patterns with their views
urlpatterns += patterns(
'persons.views',
(r'^persons/', include('persons.urls', namespace='persons')),
)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.