Python Django ModelForm错误消息未显示在模板中
我已经根据文档创建了一些自定义错误消息(尽我所能),但我没有收到任何错误,更不用说自定义错误了。这是我的密码: forms.pyPython Django ModelForm错误消息未显示在模板中,python,django,Python,Django,我已经根据文档创建了一些自定义错误消息(尽我所能),但我没有收到任何错误,更不用说自定义错误了。这是我的密码: forms.py class UploadFileForm(forms.ModelForm): class Meta: model = Job fields = ['jobID','original_file'] labels = { 'jobID': _('Job ID'), 'o
class UploadFileForm(forms.ModelForm):
class Meta:
model = Job
fields = ['jobID','original_file']
labels = {
'jobID': _('Job ID'),
'original_file': _('File'),
}
error_messages = {
'jobID': {
'max_length': _("Job ID is limited to 50 characters."),
'required': _("Please provide a Job ID."),
'invalid': _("Job ID must be a combination of letters, numbers, - and _.")
},
'original_file': {
'required': _("Please provide a file."),
'validators': _("Please ensure you are selecting a zipped (.zip) GDB."),
},
}
help_texts = {
'original_file': _('Please provide a zipped (.zip) GDB.'),
}
def upload(request):
if request.method == 'POST':
form = UploadFileForm(request.POST, request.FILES, user = request.user)
if form.is_valid():
form.save()
request.session['jobID'] = request.POST['jobID']
#job = Job.objects.filter(user_id = request.user.id).filter(jobID = request.POST['jobID']).latest()
# initialize(job)
return render(request,'precheck/run_precheck.html')
form = UploadFileForm()
historyList = Job.objects.filter(user_id = request.user.id)[:10]
return render(request, 'precheck/upload.html',{'form': form, 'history': historyList})
upload.html
<form method = "POST" action="{% url 'precheck:upload' %}" enctype="multipart/form-data" name="uploadForm">
{% csrf_token %}
{% for field in form %}
<div>
<strong>{{ field.errors }}</strong>
{{ field.label_tag }} {{ field }}
{% if field.help_text %}
<p class ="help-text">{{ field.help_text }}</p>
{% endif %}
</div>
{% endfor %}
<br />
<button type="button" id="uploadButton" data-loading-text="Loading..." class="btn btn-primary" autocomplete="off" style="margin: auto 20%; ">Upload</button>
</form>
我已经包含了我认为相关的所有内容,如果您还需要其他信息,请告诉我。问题是,如果表单无效,您将表单重置为初始表单:
form = UploadFileForm()
historyList = Job.objects.filter(user_id = request.user.id)[:10]
return render(request, 'precheck/upload.html',{'form': form, 'history': historyList})
您的流应该呈现绑定表单(及其错误),因此它应该是:
if request.method == 'POST':
form = UploadFileForm(request.POST, request.FILES, user = request.user)
if form.is_valid():
# do stuff for valid form
return redirect
elif request.method == 'GET':
form = UploadFileForm()
# flow common for GET and invalid form
return render(request, template, {'form': form})
问题是,如果表单无效,则将表单重置为初始表单:
form = UploadFileForm()
historyList = Job.objects.filter(user_id = request.user.id)[:10]
return render(request, 'precheck/upload.html',{'form': form, 'history': historyList})
您的流应该呈现绑定表单(及其错误),因此它应该是:
if request.method == 'POST':
form = UploadFileForm(request.POST, request.FILES, user = request.user)
if form.is_valid():
# do stuff for valid form
return redirect
elif request.method == 'GET':
form = UploadFileForm()
# flow common for GET and invalid form
return render(request, template, {'form': form})
如何验证字段并生成这些错误?如果我以'required'为例,您的
Job
模型的jobID
和original_文件
是必填字段吗?你是说如果你不在表单中填写jobID
,你就看不到发布后的错误?视图是否确实在验证表单并在表单无效时进行渲染?(显示您的view.py代码)@dirkgroten我在上面添加了views.py
jobID
和original\u file
是模型中的必填字段,使用validate\u slug
和MaxLengthValidator
验证?如果我以'required'为例,您的Job
模型的jobID
和original_文件
是必填字段吗?你是说如果你不在表单中填写jobID
,你就看不到发布后的错误?视图是否确实在验证表单并在表单无效时进行渲染?(显示您的view.py代码)@dirkgroten我在上面添加了views.py
jobID
和original\u file
是模型中的必填字段,jobID
使用validate\u slug
和MaxLengthValidator