from django.db import models# Create your models here.
from django.db import models# Create your models here.
class Author(models.Model):nid = models.AutoField(primary_key=True)name = models.CharField(max_length=32)age = models.IntegerField()# 与AuthorDetail建立一对一的关系authorDetail = models.OneToOneField(to="AuthorDetail", on_delete=models.CASCADE)def __str__(self):return self.nameclass AuthorDetail(models.Model):nid = models.AutoField(primary_key=True)birthday = models.DateField()telephone = models.BigIntegerField()addr = models.CharField(max_length=64)def __str__(self):return str(self.telephone)class Publish(models.Model):nid = models.AutoField(primary_key=True)name = models.CharField(max_length=32)city = models.CharField(max_length=32)email = models.EmailField()def __str__(self):return self.nameclass Book(models.Model):nid = models.AutoField(primary_key=True, verbose_name="ID")title = models.CharField(max_length=32, verbose_name="书名")publishDate = models.DateField()price = models.DecimalField(max_digits=5, decimal_places=2, verbose_name="价格")# 与Publish建立一对多的关系,外键字段建立在多的一方publish = models.ForeignKey(to="Publish", to_field="nid", on_delete=models.CASCADE)# 与Author表建立多对多的关系,ManyToManyField可以建在两个模型中的任意一个，自动创建第三张表authors = models.ManyToManyField(to='Author', )def __str__(self):return self.title

class ModelStark：# 获取modelform类
    @propertydef modelform_class(self):if self.modelfoem_class:return self.modelfoem_classelse:class ModelFormClass(forms.ModelForm):class Meta:model = self.modelfields = '__all__'return ModelFormClass# 改def edit(self, request, id):model_obj = self.model.objects.get(pk=id)if request.method == 'GET':# 生成一个带有model对象内容的modelform对象form = self.modelform_class(instance=model_obj)return render(request, 'stark/edit.html', {'form': form})else:form = self.modelform_class(request.POST, instance=model_obj)if form.is_valid():form.save()_url = self.get_url('list')return redirect(_url)else:return render(request, 'stark/edit.html', {'form': form})

<form action="" method="post" novalidate>{% csrf_token %}{% for field in form %}<div class="form-group"><label for="">{{ field.label }}</label>{{ field }}{% if field.is_pop %}<a class="pull-right addfield-type" onclick="add_page('{{ field.url }}')">　　　　　　　　　　　　<span class="glyphicon glyphicon-plus"></span>　　　　　　　　　　</a>{% endif %}<span class="erorr ">{{ field.errors.0 }}</span></div>{% endfor %}<button type="submit" name="submit" value="提交">提交</button>
</form>