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我正在构建一个具有 Company、Employee 和 Ext 模型的 Django 应用程序:

class Company(models.Model):
    user = models.ForeignKey(User)
    name = models.CharField(max_length=30)
    ...

class Employee(models.Model):
    company = models.ForeignKey(Company)
    emp_name = models.CharField(max_length=15)
    ...

class Ext(models.Model):
    employee = models.ForeignKey(Employee)
    expiry_date = models.DateField(default=lambda:datetime.datetime.now()+datetime.timedelta(days=60))
    ...

对于这些模型,我有以下表格:

class CompanyForm(ModelForm):
    class Meta:
        model = Company

class EmployeeForm(ModelForm):
    class Meta:
        model = Employee
        exclude = ('company')

class ExtForm(ModelForm):
    class Meta:
        model = Prize
    exclude = ('employee')

class EmployeeFormSet(BaseFormSet):

    def clean(self):
        if any(self.errors):
            return

        names = []

        for i in range(0, self.total_form_count()):
            form = self.forms[i]
            e_name = form.cleaned_data['emp_name']

            if e_name in names:
                raise forms.ValidationErrors("Employees must have unique names")

            names.append(e_name)

我遇到了“Django Dynamic Formset”(http://code.google.com/p/django-dynamic-formset/),我已经成功地开始工作,允许我在模板中动态地将多个员工表单添加到我的员工表单集中:

<script type="text/javascript" src="{% static "js/jquery-1.4.2.min.js" %}"></script>
<script type="text/javascript" src="{% static "js/jquery.formset.js" %}"></script>
<script type="text/javascript">
    $(function() {
        $('#eForm tbody tr').formset();
    })
</script>
...
<form id="eForm" method="post" action="">
    {% csrf_token %}
            <table border="0" cellpadding="0" cellspacing="0">
            <tbody>
            {% for form in employee_formset.forms %}
            <tr>
                        <td>{{ form.emp_name }}</td></br>
                        ...
                    </tr>
                    {% endfor %}
                    </tbody>
                </table>
        {{ employee_formset.management_form }}
        <input id="submit" type="submit" name="submit" value="Submit" />
</form>

我的目标是能够添加一个公司、一个或多个与该公司关联的员工,以及一个与这些员工中的一个关联的单个 Ext 对象,所有这些都在一个提交中。

我不确定如何解决这个问题。谁能指出我正确的方向?

4

1 回答 1

1

如果您的 ExtModel() 不需要任何用户输入,则:

表格.py

class CompanyForm(ModelForm):
    class Meta:
        model = Company

class EmployeeForm(ModelForm):

    ext = forms.BooleanField(initial=False)

    class Meta:
        model = Employee

然后,在您的视图中,创建 CompanyForm 的单个实例,并使用inlineformset_factory(Company, Employee, form=EmployeeForm).

保存表单集时:

if formset.is_valid():
    for form in formset:
        employee = form.save()
        if form.cleaned_data['ext'] == True
            Ext(employee=employee, ...).save()

如果您需要用户输入更多 Ext 字段,并且对于任何给定职位的每个员工的输入相同,则为该数据呈现一个附加表单。如果不同员工的 Ext 数据不同,那么情况会更复杂。

于 2012-05-16T00:00:53.890 回答