我正在使用具有下拉菜单和dropzone的上传文件功能。但是,每当我提交带有选定选项的上传文件时,它总是说选定选项为“无”。我在views.py中打印了nama_bimbingan之后,发现它为None。这是我的代码。
url.py
....
url(r'bimbingan/add/upload', mengelola_bimbingan.upload_data_bimbingan, name='add-bimbingan-excel'),
url(r'bimbingan/download-template/', mengelola_bimbingan.bimbingan_template, name='bimbingan-template'),
....
forms.py
class UploadBimbinganForm(forms.Form):
...
...
dropdown_choices = tuple(zip(all_pembimbing, all_pembimbing))
nama_pembimbing = forms.ChoiceField(choices = dropdown_choices)
upload_bimbingan.html
<form method="POST" action="{% url 'app:add-bimbingan-excel' %}" enctype="multipart/form-data">
{% csrf_token %}
<div class="py-3">
<label for="id_nama_pembimbing"> Nama Pembimbing Akademik: </label>
<select class="form-control mb-2" id="id_nama_pembimbing" name="nama_pembimbing" required>
<option value = "" selected="selected">---------</option>
<option value = {{form.nama_pembimbing}}></option>
</select>
</div>
<div id="myDropzone" class="dropzone" drop-zone>
<h6 class="dz-message"> Drop file here or click to upload</h6>
</div>
<div class="py-3">
<a href="{% url 'app:bimbingan-template' %}">Download Template</a><br>
<div class="row justify-content-between py-3">
<div class="col-md-5 mb-1">
<a href="{% url 'app:read-all-bimbingan' %}" class="btn btn-blue-outlined">Batal</a
</div>
<div class="col-md-5">
<input type="submit" value="Simpan" class="btn btn-block btn-blue">
</div>
</div>
</div>
</form>
views.py
@login_required(redirect_field_name='index')
@user_passes_test(only_admin_access)
def upload_data_bimbingan(request):
form = UploadBimbinganForm(request.POST or None)
if request.method == "POST" and 'file' in request.FILES:
nama_pembimbing = request.POST.get('nama_pembimbing')
excel_file = request.FILES["file"]
data = get_data(excel_file, column_limit=1)
bimbingans = data["Bimbingan"]
...
...
if(len(duplicate) == 0):
space_parsed_query = nama_pembimbing.replace(' ', '%20')
cleaned_query = space_parsed_query.replace(',', '%2C')
nip_pembimbing = int(get_data_dosen_by_nama(cleaned_query)[0]["nomor"])
for bimbingan in bimbingans:
if(bimbingan[0] != "NPM"):
new_bimbingan = Bimbingan(nip_pembimbing=nip_pembimbing, npm_mahasiswa=bimbingan[0])
new_bimbingan.save()
return redirect('/app/bimbingan')
else:
...
...
return redirect('/app/bimbingan')
else:
context={
"form": form
}
return render(request, 'app/mengelola_bimbingan/upload_bimbingan.html', context)
我已经尝试过在views.py中使用nama_pembimbing = form.cleaned_data [“ nama_pembimbing”],但由于form.is_valid()始终返回false,因此它仍然无法正常工作,因此我将其删除。我为此使用django和python,请不要使用javascript处理上传的文件和选定的选项。我真的希望有人可以帮助我解决此问题。预先谢谢!
我认为您的html代码的这一部分只是搞砸了。
<select class="form-control mb-2" id="id_nama_pembimbing" name="nama_pembimbing" required>
<option value = "" selected="selected">---------</option>
<option value = {{form.nama_pembimbing}}></option>
</select>
我建议您不要在html属性及其值之间留空白。因此,应该像这样:
<select class="form-control mb-2" id="id_nama_pembimbing" name="nama_pembimbing" required>
<option value="" selected="selected">---------</option>
<option value="{{form.nama_pembimbing}}">{{form.nama_pembimbing}}</option>
</select>
我已经有了解决此问题的方法。问题出在dropzone上。我试图删除dropzone,并且可以从视图中检索下拉列表中的选定值。因此,要解决此问题,我需要在dropzone脚本中添加以下代码。
init: function() {
dzClosure = this;
this.on("sending", function(data, xhr, formData) {
formData.append("nama_pembimbing", jQuery("#id_nama_pembimbing").val());
});
}
仅此而已,应该很好地发挥作用。