第77篇 formset的使用示例
Posted cavalier-chen
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1. views
from django.shortcuts import render
from django.forms import modelformset_factory
from app01.forms import Publisher
from app01.forms import PunlisherForm
# Create your views here.
def publisher(request):
data = Publisher.objects.all()
Formset = modelformset_factory(Publisher,PunlisherForm,extra=0)
formset_obj = Formset(queryset=data)
if request.method == ‘POST‘:
# form_obj = Form(request.POST,instance=edit_obj)
formset_obj = Formset(request.POST,queryset=data)
if formset_obj.is_valid():
formset_obj.save()
return render(request,‘publisher.html‘,{‘formset_obj‘:formset_obj})
2. html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>出版社列表</title>
</head>
<body>
<h1>出版社列表</h1>
<form action="" method="post">
{% csrf_token %} 防止跨站请求伪造
{{ formset_obj.management_form }} 告诉后端总共有哪些form 哪些发生了变化
<table border="1">
<thead>
<tr>
<th>#</th>
<th>名称</th>
<th>地址</th>
</tr>
</thead>
<tbody>
{% for form_obj in formset_obj %}
<tr>
<td>{{ forloop.counter }}</td>
{{ form_obj.id }}
<td> {{ form_obj.name }}</td>
<td> {{ form_obj.addr }}</td>
</tr>
{% endfor %}
</tbody>
</table>
<input type="submit" name="" id="">
</form>
</body>
</html>
3. models
from django.db import models
# 出版社列表
class Publisher(models.Model):
name = models.CharField(max_length=32)
addr = models.CharField(max_length=128)
4. forms
from django import forms
from app01.models import Publisher
class PunlisherForm(forms.ModelForm):
class Meta:
model = Publisher
fields = ‘__all__‘
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