javascript - Django 动态表单集只保存最后一个条目
问题描述
我创建了一个页面,用户可以在其中输入与父模型(患者)和链接到该父模型的两个子模型(CurrentMed 和 PastMed)相关的表单的详细信息。
两个子表单都使用动态表单集,用户可以在其中向表单添加或删除行。我的问题是当用户提交表单时,只有 currentmed 和 pastmed 表单集的最后一行保存到我的数据库中?
模型.py
class Patient(TimeStampedModel):
# get a unique id for each patient - could perhaps use this as slug if needed
patient_id = models.UUIDField(primary_key=True, unique=True, default=uuid.uuid4, editable=False)
name = models.CharField("Patient Name", max_length=255)
creator = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True,
on_delete=models.SET_NULL)
class Med(TimeStampedModel):
med_name = models.CharField(“med name“, max_length=20)
dose = models.IntegerField("Dose (mg)", default=0)
timepoint = models.CharField(
"timepoint", max_length=20,
choices=[('current','current'), ('past', 'past')], default='unspecified')
patient = models.ForeignKey(Patient, on_delete=models.CASCADE)
class Meta:
abstract = True
class CurrentMed(Med):
timepoint = models.CharField(
"", max_length=20,
choices=[('current','current'), ('past', 'past')], default='current')
class PastMed(Med):
timepoint = models.CharField(
"", max_length=20,
choices=[('current','current'), ('past', 'past')], default='past')
表格.py
from .models import CurrentMed, PastMed, Patient
CurrentmedFormSet = inlineformset_factory(
Patient, CurrentMed, fields=("med_name", "dose",), extra=2)
PastmedFormSet = inlineformset_factory(
Patient, PastMed, fields=("med_name", "dose",), extra=2)
class PatientForm(ModelForm):
class Meta:
model = Patient
fields = ['name', 'sex', 'age', 'diagnosis']
视图.py
class PatientAddView(LoginRequiredMixin,TemplateView):
model = Patient
template_name = "../templates/patient/add.html"
def get(self, *args, **kwargs):
patient_form = PatientForm
currentmed_formset = CurrentmedFormSet(queryset=CurrentMed.objects.none())
pastmed_formset = PastmedFormSet(queryset=PastMed.objects.none())
return self.render_to_response({'currentmed_formset': currentmed_formset,
'pastmed_formset': pastmed_formset,
'patient_form': patient_form})
def post(self, *args, **kwargs):
form = PatientForm(data=self.request.POST)
currentmed_formset = CurrentmedFormSet(data=self.request.POST)
pastmed_formset = PastmedFormSet(data=self.request.POST)
if form.is_valid():
patient_instance = form.save()
if currentmed_formset.is_valid():
med_name = currentmed_formset.save(commit=False)
for med in med_name:
med.patient = patient_instance
med.save()
if pastmed_formset.is_valid():
med_name = pastmed_formset.save(commit=False)
for med in med_name:
med.patient = patient_instance
med.save()
return redirect(reverse(
'patient:treatment_detail',
kwargs={"patient_id": patient_instance.patient_id}))
html
{% extends "base.html" %}
{% load static %}
{% load crispy_forms_tags %}
{% block javascript %}
<script type="text/javascript" src="{% static 'js/jquery/dist/jquery-1.3.2.min.js' %}"></script>
<script type="text/javascript" src="{% static 'js/jquery.formset.js' %}"></script>
<script type="text/javascript">
$(function() {
$('#currentmeds_table tbody tr').formset({
prefix: 'current_meds'
})
});
$(function() {
$('#pastmeds_table tbody tr').formset({
prefix: 'past_meds'
})
});
</script>
<style type="text/css">
.delete-row {
margin-left:5px;
}
</style>
{% endblock %}
{% block content %}
<div>
<div class="entry">
<form id="form" method="POST">
<h1>Patient Details</h1>
{% csrf_token %}
<h3>Demographics</h3>
{{patient_form}}
<h3>Current Medication</h3>
<table id="currentmeds_table" border="0" cellpadding="0" cellspacing="5">
<thead>
<tr>
<th scope="col">Medication</th>
<th scope="col">Dose</th>
</tr>
</thead>
<tbody>
{% for form in currentmed_formset %}
<tr id="{{ form.prefix }}-row"></tr>
<td>
{% for fld in form.hidden_fields %}{{ fld }}{% endfor %}
{% if form.instance.pk %}{{ form.DELETE }}{% endif %}
{{ form.med_name}}
</td>
<td>{{ form.dose }}</td>
</tr>
{% endfor %}
</tbody>
</table>
{{currentmed_formset.management_form}}
<h3>Past Medication</h3>
<table id="pastmeds_table" border="0" cellpadding="0" cellspacing="5">
<thead>
<tr>
<th scope="col">Medication</th>
<th scope="col">Dose</th>
</tr>
</thead>
<tbody>
{% for form in pastmed_formset %}
<tr id="{{ form.prefix }}-row"></tr>
<td>
{% for fld in form.hidden_fields %}{{ fld }}{% endfor %}
{% if form.instance.pk %}{{ form.DELETE }}{% endif %}
{{ form.med_name}}
</td>
<td>{{ form.dose }}</td>
</tr>
{% endfor %}
</tbody>
</table>
{{pastmed_formset.management_form}}
<button type="submit">Create Patient</button>
</form>
</div>
</div>
{% endblock %}
解决方案
javascript中的前缀不正确,通过查看html源找到正确的,而不是
$('#currentmeds_table tbody tr').formset({
prefix: 'current_meds'
})
本来应该
$('#currentmeds_table tbody tr').formset({
prefix: 'currentmed_set'
})
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