[英]Django modelformset_factory does not save to database
问题是当将输入插入表单时,Django的Django modelformset_factory不会保存到数据库。 似乎在提交表单进行处理后仅到达了else语句。 显然,问题出在views.py中,如果在request.POST中使用“ name”,则执行某项操作。 建议如何解决它将不胜感激。 谢谢。
views.py
from django.shortcuts import render
from .forms import modelformset_factory, AssumptionsForm
from .models import Assumptions
model_names = ['Form1', 'Form2']
def get_assumptions(request):
if request.method == 'POST' and 'name' in request.POST:
formset = modelformset_factory(
Assumptions, form=AssumptionsForm, extra=5)
if formset.is_valid():
print('valid form')
for form in formset:
if form.is_valid():
print('in for loop after valid form1')
assumptions = form.save(commit='False')
assumptions.Name = 'name'
assumptions.save()
else:
formset = modelformset_factory(
Assumptions, form=AssumptionsForm, extra=5)
print('reached else')
return render(request, 'assumptions.html', {'formset': formset, 'model_names': model_names})
models.py
from django.db import models
from django.forms import ModelForm
class Assumptions(models.Model):
Worst_Case = models.FloatField(null=True, blank=True, default=None)
Grey_Case = models.FloatField(null=True, blank=True, default=None)
Red_Case = models.FloatField(null=True, blank=True, default=None)
Blue_Case = models.FloatField(null=True, blank=True, default=None)
Green_Case = models.FloatField(null=True, blank=True, default=None)
Best_Case = models.FloatField(null=True, blank=True, default=None)
Name = models.TextField(null=True, blank=True, default=None)
表格
from django import forms
from django.forms import modelformset_factory, ModelForm
from .models import Assumptions
class AssumptionsForm(ModelForm):
class Meta:
model = Assumptions
fields = ['Worst_Case', 'Grey_Case', 'Red_Case', 'Blue_Case', 'Green_Case', 'Best_Case']
exclude = ['Name']
假定.html
<div class="form">
<form action="" method="post">
{% csrf_token %}
{{ formset.management_form }}
{{ formset.non_form_errors.as_ul }}
{% for name in model_names %}
<h1>{{name}}</h1>
<table id="formset" class="form">
{% for form in formset.forms %}
{% if forloop.first %}
<thead><tr>
{% for field in form.visible_fields %}
<th>{{ field.label|capfirst }}</th>
{% endfor %}
</tr></thead>
{% endif %}
<tr class="{% cycle 'row1' 'row2' %}">
{% for field in form.visible_fields %}
<td>
{# Include the hidden fields in the form #}
{% if forloop.first %}
{% for hidden in form.hidden_fields %}
{{ hidden }}
{% endfor %}
{% endif %}
{{ field.errors.as_ul }}
{{ field }}
</td>
{% endfor %}
</tr>
{% endfor %}
</table>
<input type="submit" name="{{name}}" value="save" />
{% endfor %}
</form>
</div>
name
需要在您的request.POST
中。POST,请仔细检查您的模板并添加一个带有name='name'
的input
标签
<input name='name' />
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