坚持使用Modelform链接ManytoMany关系

问题描述 投票:1回答:1

我是Django的新手,我正在从事一个当前需要满足以下条件的项目:

我有两个基本结构:一个项目模型和一个TeamMember模型-两者通过ManytoMany关系相互关联。然后,我有一个TMAssigned“直通”类。随着时间的推移,该团队成员将分配许多项目。

我有一个ModelFrom,它通过创建表单来创建Project模型。

我的问题是,提交表单后,如何将团队成员链接到新创建的项目?

这里是我的型号和表单代码:

TeamMember

class TeamMember(models.Model):
    firstname = models.CharField(max_length=100, default= "First Name")
    lastname = models.CharField(max_length=100, default= "Last Name")
    fullname = models.CharField(max_length=100, default= "Full Name")
    email = models.EmailField(max_length=254)
    cellphone = PhoneNumberField(null=False, blank=False, unique=True)
    numberofcases = models.IntegerField(max_length=10000, default=0)

    @property
    def fullnamefunc(self):
        fullname = "{} {}".format(self.firstname, self.lastname)
        return fullname

    def __str__(self):
        return self.fullname

Project

class Project(models.Model):
    pursuitname = models.CharField(max_length=500)
    datecreated = models.DateTimeField(auto_now=True)
    bdmember = models.ManyToManyField('team.TeamMember')

Views.py

class bdFormView(TemplateView):
    template_name = os.path.join(BASE_DIR, "templates/masterform/bdform.html")

    def get(self,request):
        form = bdForm()
        return render (request, self.template_name, {'form': form})

    def post(self, request):
        form = bdForm(request.POST)

        if form.is_valid():
            print("form is valid")

            project = form.save(commit=False)
            project.save()
            text = form.cleaned_data['briefcard']

Form.py

class bdForm(forms.ModelForm):

            bdmemberlist = TeamMember.objects.all().order_by('lastname')
            pursuitname = forms.CharField()
            bdmember = forms.ModelChoiceField(queryset= bdmemberlist)
            addbdteam = forms.ModelMultipleChoiceField(
            queryset=TeamMember.objects.all().order_by('lastname'), widget=Select2MultipleWidget,  required=False)



            class Meta:
                model = Project
                fields = ['pursuitname','addbdteam','bdmember',]



        def __init__(self, *args, **kwargs):

            if kwargs.get('instance'):
                initial = kwargs.setdefault('initial', {})
                initial['projects'] = [t.pk for t in
                    kwargs['instance'].project_set.all()]

            forms.ModelForm.__init__(self, *args, **kwargs)

        def save(self, commit=True):
            instance = forms.ModelForm.save(self, False)
            old_save_m2m = self.save_m2m

            def save_m2m():
                old_save_m2m()

                for project in self.cleaned_data['bdmember']:
                    instance.teammember_set.add(project)

提前感谢!

Edit-经过更多研究之后,我从脚本中删除了“ Through”模型,并尝试依靠form.py save方法进行联接。但是,当我这样做时,两者仍然无法正确链接。

python django python-3.x django-models django-forms
1个回答
0
投票

由于只有您的管理员(超级用户?)将登录,因此您可以使用内置的Django Admin开始。

至少到现在,我会为您推荐这个,因为您是一个初学者,并且管理表单非常易于使用。然后,您可以在以后更舒适的时候创建自定义表单。 :-)

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