在带有ForeignKey的Django的多个模型中创建模板

时间:2020-02-22 00:41:15

标签: django python-3.x django-models django-views django-templates

我有两个这样的模型:

class NominaEnc(models.Model):
    G1 = "PERSONAL"
    G2 = "SUPERVISOR"
    G3 ="AUXILIAR"

    GRUPO_CHOICES = (
        (G1, 'PERSONAL'),
        (G2, 'SUPERVISOR'),
        (G3, 'AUXILIAR'),
    )

    fecha_nomina= models.DateField()
    planta =models.ForeignKey(PlantaNomina,to_field='descripcion_planta',on_delete=models.CASCADE)
    area=models.ForeignKey(AreaNomina, on_delete=models.CASCADE, to_field='descripcion_area')
    linea =models.ForeignKey(lineaNomina, on_delete=models.CASCADE, to_field='descripcion_linea')
    grupo=models.CharField(choices=GRUPO_CHOICES, max_length=30, blank=True, null =True)
    supervisor=models.ForeignKey(SupervisorNomina, on_delete=models.CASCADE, 
        to_field='nombre_supervisor')
    semana = models.IntegerField(default=1 )
    plantilla = models.IntegerField(default=0)



    def __str__(self):
        return'{} {} {} {} {}'.format(self.semana, self.area, self.linea, self.grupo, 
        self.supervisor)

    class Meta:
        verbose_name_plural ="Encabezados Nomina"
        verbose_name = "Encabezado Nomina"

class NominaDet(models.Model):

    nomina = models.ForeignKey(NominaEnc, related_name='detalles' ,on_delete=models.CASCADE)
    concepto=models.ForeignKey(ConceptoNomina, on_delete=models.CASCADE, to_field='concepto')
    cantidad =models.FloatField(default=0.0)


    def __str__(self):
        return "{} {}".format(self.nomina,self.concepto)


    class Meta:
        verbose_name_plural ="Detalles Nomina"
        verbose_name = "Detalle Nomina"

我的观点是:

class NominaList( generic.ListView):
    model=NominaEnc
    template_name='nomina/nomina_list.html'
    context_object_name='nomina'

class NominaCompletaList(generic.ListView):
    template_name='nomina/nomina_completa.html'
     context_object_name='nomina'
    queryset = NominaEnc.objects.all()

    def get_context_data(self, **kwargs):
        context = super(NominaCompletaList, self).get_context_data(**kwargs)
        context['detalles'] = NominaDet.objects.all()
        context['encabezado'] = self.queryset
        return context

和网址是:

urlpatterns = [
path('nomina/', NominaList.as_view(), name="nomina_list"),
path('nomina_completa/', NominaCompletaList.as_view(), name="nomina_completa")
]

在NominaList视图中,我只列出NominaEnc的字段,在NominaCompleta视图中,我试图显示NominaEnc(标题)和NominaDet(每个NominaEnc记录的详细信息)。

但是我不知道如何为NominaCompleta View创建模板。非常感谢您提供模板(html)以及调用展位模型所有字段的帮助。

1 个答案:

答案 0 :(得分:1)

在模型中,一个NominaEnc可以有多个NominaDet(因为您与ForeignKey具有一对多关系)。

因此,如果您的模板中有一个nomina_enc实例(例如在for循环中),则可以进行

{% for det in nomina_enc.detalles.all %}
    {{ det.cantidad }}
{% endfor %}

或循环内您需要执行的其他任何操作。