Question

我有一个错误，在尝试将数据保存到数据库中时，未保存数据，在填充数据时，似乎已经保存了数据，但这并没有做到，因为每个字段经过验证，当我发送时没有错误，这是基于类的视图。

@pandas_udf(mySchema, PandasUDFType.GROUPED_MAP)
def forecast(df):

    model = Prophet(
        growth="linear",
        interval_width=0.10,
        seasonality_mode="multiplicative",
        yearly_seasonality=False,
        weekly_seasonality=False,
        daily_seasonality=False,
    ).add_seasonality(name="monthly", period=12 * 30.5, fourier_order=12)

    model.fit(df.loc[:, ["ds", "y"]])

    futper = model.make_future_dataframe(periods=12, freq="M")
    results_pd = model.predict(futper)
    results_pd = pd.concat([results_pd, df["prod"]], axis=1)

    return pd.DataFrame(results_pd, columns=mySchema.fieldNames())

results = sparkdf.groupby('prod').apply(forecast)
results.columns

这是表格

from django.shortcuts import render, redirect
from django.views.generic import View

from .models import Comment

from .forms import CommentForm


class IndexView(View):
    model = Comment
    template_name = 'home/index.html'
    form_class = CommentForm

    def get_queryset(self):
        return self.model.objects.all().order_by('-pk')

    def get_context_data(self, **kwargs):
        context = {}
        context['commentaries'] = self.get_queryset()
        context['form'] = self.form_class
        return context

    def get(self, request, *args, **kwargs):
        return render(request, self.template_name, self.get_context_data())

    def post(self, request, *args, **kwargs):
        form = self.form_class(request.POST)
        if form.is_valid():
            form.save()
            form.errors.as_json()
            return redirect('home:index')

这是模型

from django import forms
from django.urls import reverse_lazy

from .models import Comment


class CommentForm(forms.ModelForm):
    class Meta:
        model = Comment
        fields = ['name', 'comment']
        labels = {
            'name': 'Nombre',
            'comment': 'Comentario'
        }
        widgets = {
            'name': forms.TextInput(
                attrs={
                    'class': 'form-control',
                    'placeholder': 'Ingrese su Nombre',
                    'id': 'name',
                }
            ),
            'comment': forms.Textarea(
                attrs={
                    'class': 'form-control',
                    'placeholder': 'Ingrese su comentario',
                    'id': 'comment',
                }
            )
        }

这是html

from django.db import models


class Comment(models.Model):
    name = models.CharField(max_length=50)
    comment = models.TextField(max_length=250)
    created_at = models.DateField(auto_now=True)

    def __str__(self):
        return self.name

    def save(self):
        self.name = self.name.capitalize()

我已经尝试过放置form.errors.as_json（）来知道错误是什么，但是它什么也不返回

Answer 1

您需要使用保存方法调用super

def save(self, **kwargs):
    self.name = self.name.capitalize()
    super().save(**kwargs)

基类models.Model的save方法是将对象插入数据库的方法。通过覆盖它而不调用super，可以防止对象被保存

无法填充django3数据库

1 个答案: