将图像上传到轮播的问题
Issues with uploading images to a carousel
好的，这是交易：
这是我目前正在做的事情：
看到顶部的两个箭头了吗？这就是图片轮播应该放的地方。但是，此轮播中没有图片。也就是说，直到我单击 'Upload' 按钮。
所以，我的目标是在我点击 'upload' 按钮之前让图片出现在第一页上。
我该如何解决这个问题？我在 Django 有点菜鸟，写这段代码就像拔牙一样。
我的代码：
Index.html
{% extends 'webportal/defaults.html' %}
{% block body %}
{% include 'webportal/carousel.html' %}
<br/>
<div class="container">
<div class="row">
<div class="col-md-12">
<p> So far we have been able to establish what the user tables will be have created or are in process of
creating
the ability to create, update, destroy users.</p>
</div>
</div>
<div class="row">
<div class="col-md-12">
<p> For now this ability is limited to the main user table, however the models will be easily extended
to other
tables as they are needed</p>
</div>
</div>
<div class="row">
<div class="col-md-12">
<p> Also not a lot of thought has gone into styling yet, we know that the page is suppose to resemble
the parent
organizations page. Right now we have been more focused on getting each individual component
working. Later we
will merge them into a whole. </p>
</div>
</div>
</div>
{% include 'webportal/info_row.html' with one=one two=two three=three %}
{% endblock %}
Carousel.html:
{% load staticfiles %}
{% load filename %}
<div class="container">
<div class="row">
<div class="col-md-12">
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
{% for document in documents %}
<div class="item {% if forloop.first %} active {% endif %}">
<div class="row">
<div class="col">
<li><a href = "{{document.docfile.url}}">{{document.docfile.name}}</a></li>
<img src = "{{STATIC_URL}}img/{{document|filename}}" >
<p align="center"><form style="text-align:center" action="{% url 'webportal:delete' %}" method="post" enctype="multipart/form-data">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.Document.label_tag }} {{ form.Document.help_text }}</p>
<p>
{{ form.Document.errors }}
{{ form.Document.docfile }}
</p>
<p><input type="submit" value="Delete" /></p>
</form></p>
</div>
</div>
</div>
{% endfor %}
</div>
<a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
<span class="sr-only">Next</span>
</a>
</div>
<!-- /.carousel -->
</div>
</div>
<form action="{% url 'webportal:carousel' %}" method="post" enctype="multipart/form-data">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.docfile.label_tag }} {{ form.docfile.help_text }}</p>
<p>
{{ form.docfile.errors }}
{{ form.docfile }}
</p>
<p><input type="submit" value="Upload" /></p>
</form>
</div>
Views.py:
from django.shortcuts import render
from django.shortcuts import render, redirect, get_object_or_404
from django.contrib.auth import authenticate, login
from webportal.views.authentication import LoginForm
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import HttpResponseRedirect
from django.http import HttpResponse
from django.core.urlresolvers import reverse
from django.conf import settings
from webportal.forms.forms import DocumentForm
from webportal.models import Document, DeleteForm
is_server = True
def delete(request, my_id):
Deleted=get_object_or_404(Document, docfile=my_id)
if request.method=='POST':
form=DeleteForm(request.POST, instance=Deleted)
if form.is_valid():
Deleted.delete()
return HttpResponseRedirect('http://127.0.0.1:8000/alzheimers/')
else:
form=DeleteForm(instance=Deleted)
return render_to_response(
'webportal/index.html',
{'documents': documents, 'form': form,},
context_instance=RequestContext(request)
)
# Redirect to the document list after POST
def carousel(request):
# Handle file upload
if request.method == 'POST':
form = DocumentForm(request.POST, request.FILES)
if form.is_valid():
newdoc = Document(docfile = request.FILES['docfile'])
newdoc.save()
# Redirect to the document list after POST
return HttpResponseRedirect('http://127.0.0.1:8000/alzheimers/')
else:
form = DocumentForm() # A empty, unbound form
# Load documents for the list page
documents = Document.objects.all()
#documents=DocumentForm().
# Render list page with the documents and the form
return render_to_response(
'webportal/index.html',
{'documents': documents, 'form': form,},
context_instance=RequestContext(request)
)
Models.py:
class Document(models.Model):
docfile = models.ImageField(upload_to='webportal/static/img/')
class DeleteForm(ModelForm):
class Meta:
model=Document
fields=[]
Forms.py:
class DocumentForm(forms.Form):
docfile = forms.ImageField(label='Select a file', help_text='max. 42 megabytes')
URls.py:
from django.conf.urls import patterns, url
from webportal.views import views, register, authentication, welcome, search, profile, event, csv_export, role_creation, \
edit_event, reports, accounts
urlpatterns = patterns('',
url(r'^reports', reports.report_page),
url(r'^search/criteria', search.get_criteria),
url(r'^search', search.search_page),
url(r'^register', register.SignUpView.as_view(), name="register"),
url(r'^login', authentication.login_view, name="login"),
url(r'^carousel', views.carousel, name="carousel"),
url(r'^delete', views.delete, name="delete"),
url(r'^profile', profile.ProfileView.as_view(), name="profile"),
url(r'^welcome', welcome.WelcomeView.as_view(), name="welcome"),
url(r'^event/creation', event.Creation.as_view(), name="event_creation"),
# url(r'^role_creation', role_creation.Creation.as_view(), name="role_creation"),
url(r'^csv_export', csv_export.CSVExport.as_view(), name="csv_export"),
url(r'^csv_import', reports.upload_file, name="csv_import"),
url(r'^logout$', 'django.contrib.auth.views.logout', {'next_page': '/alzheimers/'}),
url(r'^edit_event', edit_event.EditView.as_view(), name='edit_event'),
url(r'^parse_ajax', profile.parse_ajax),
url(r'^event/role_ajax', role_creation.ajax),
url(r'^event/all', event.view_all),
url(r'^event/information', event.ajax),
url(r'^accounts/personal', accounts.personal),
url(r'^accounts/create', accounts.create),
url(r'^accounts/edit', accounts.edit),
url(r'^accounts/remove', accounts.remove),
url(r'^$', views.bootstrap),
)
如果有办法做到这一点，是否涉及ajax？由于缺乏足够的答案，我又问了一次。
您应该将 documents 上下文变量传递给处理 /alzheimers/ 页面的视图中的模板。
更新：您应该更改的视图是 views.boostrap()。所以模板的呈现将是这样的：
def bootstrap(request):
...
return render_to_response('webportal/bootstrap.html',
{'documents': Document.objects.all()},
context_instance=RequestContext(request)
)
好的，这是交易：
这是我目前正在做的事情：
看到顶部的两个箭头了吗？这就是图片轮播应该放的地方。但是，此轮播中没有图片。也就是说，直到我单击 'Upload' 按钮。
所以，我的目标是在我点击 'upload' 按钮之前让图片出现在第一页上。
我该如何解决这个问题？我在 Django 有点菜鸟，写这段代码就像拔牙一样。
我的代码：
Index.html
{% extends 'webportal/defaults.html' %}
{% block body %}
{% include 'webportal/carousel.html' %}
<br/>
<div class="container">
<div class="row">
<div class="col-md-12">
<p> So far we have been able to establish what the user tables will be have created or are in process of
creating
the ability to create, update, destroy users.</p>
</div>
</div>
<div class="row">
<div class="col-md-12">
<p> For now this ability is limited to the main user table, however the models will be easily extended
to other
tables as they are needed</p>
</div>
</div>
<div class="row">
<div class="col-md-12">
<p> Also not a lot of thought has gone into styling yet, we know that the page is suppose to resemble
the parent
organizations page. Right now we have been more focused on getting each individual component
working. Later we
will merge them into a whole. </p>
</div>
</div>
</div>
{% include 'webportal/info_row.html' with one=one two=two three=three %}
{% endblock %}
Carousel.html:
{% load staticfiles %}
{% load filename %}
<div class="container">
<div class="row">
<div class="col-md-12">
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
{% for document in documents %}
<div class="item {% if forloop.first %} active {% endif %}">
<div class="row">
<div class="col">
<li><a href = "{{document.docfile.url}}">{{document.docfile.name}}</a></li>
<img src = "{{STATIC_URL}}img/{{document|filename}}" >
<p align="center"><form style="text-align:center" action="{% url 'webportal:delete' %}" method="post" enctype="multipart/form-data">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.Document.label_tag }} {{ form.Document.help_text }}</p>
<p>
{{ form.Document.errors }}
{{ form.Document.docfile }}
</p>
<p><input type="submit" value="Delete" /></p>
</form></p>
</div>
</div>
</div>
{% endfor %}
</div>
<a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
<span class="sr-only">Next</span>
</a>
</div>
<!-- /.carousel -->
</div>
</div>
<form action="{% url 'webportal:carousel' %}" method="post" enctype="multipart/form-data">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.docfile.label_tag }} {{ form.docfile.help_text }}</p>
<p>
{{ form.docfile.errors }}
{{ form.docfile }}
</p>
<p><input type="submit" value="Upload" /></p>
</form>
</div>
Views.py:
from django.shortcuts import render
from django.shortcuts import render, redirect, get_object_or_404
from django.contrib.auth import authenticate, login
from webportal.views.authentication import LoginForm
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import HttpResponseRedirect
from django.http import HttpResponse
from django.core.urlresolvers import reverse
from django.conf import settings
from webportal.forms.forms import DocumentForm
from webportal.models import Document, DeleteForm
is_server = True
def delete(request, my_id):
Deleted=get_object_or_404(Document, docfile=my_id)
if request.method=='POST':
form=DeleteForm(request.POST, instance=Deleted)
if form.is_valid():
Deleted.delete()
return HttpResponseRedirect('http://127.0.0.1:8000/alzheimers/')
else:
form=DeleteForm(instance=Deleted)
return render_to_response(
'webportal/index.html',
{'documents': documents, 'form': form,},
context_instance=RequestContext(request)
)
# Redirect to the document list after POST
def carousel(request):
# Handle file upload
if request.method == 'POST':
form = DocumentForm(request.POST, request.FILES)
if form.is_valid():
newdoc = Document(docfile = request.FILES['docfile'])
newdoc.save()
# Redirect to the document list after POST
return HttpResponseRedirect('http://127.0.0.1:8000/alzheimers/')
else:
form = DocumentForm() # A empty, unbound form
# Load documents for the list page
documents = Document.objects.all()
#documents=DocumentForm().
# Render list page with the documents and the form
return render_to_response(
'webportal/index.html',
{'documents': documents, 'form': form,},
context_instance=RequestContext(request)
)
Models.py:
class Document(models.Model):
docfile = models.ImageField(upload_to='webportal/static/img/')
class DeleteForm(ModelForm):
class Meta:
model=Document
fields=[]
Forms.py:
class DocumentForm(forms.Form):
docfile = forms.ImageField(label='Select a file', help_text='max. 42 megabytes')
URls.py:
from django.conf.urls import patterns, url
from webportal.views import views, register, authentication, welcome, search, profile, event, csv_export, role_creation, \
edit_event, reports, accounts
urlpatterns = patterns('',
url(r'^reports', reports.report_page),
url(r'^search/criteria', search.get_criteria),
url(r'^search', search.search_page),
url(r'^register', register.SignUpView.as_view(), name="register"),
url(r'^login', authentication.login_view, name="login"),
url(r'^carousel', views.carousel, name="carousel"),
url(r'^delete', views.delete, name="delete"),
url(r'^profile', profile.ProfileView.as_view(), name="profile"),
url(r'^welcome', welcome.WelcomeView.as_view(), name="welcome"),
url(r'^event/creation', event.Creation.as_view(), name="event_creation"),
# url(r'^role_creation', role_creation.Creation.as_view(), name="role_creation"),
url(r'^csv_export', csv_export.CSVExport.as_view(), name="csv_export"),
url(r'^csv_import', reports.upload_file, name="csv_import"),
url(r'^logout$', 'django.contrib.auth.views.logout', {'next_page': '/alzheimers/'}),
url(r'^edit_event', edit_event.EditView.as_view(), name='edit_event'),
url(r'^parse_ajax', profile.parse_ajax),
url(r'^event/role_ajax', role_creation.ajax),
url(r'^event/all', event.view_all),
url(r'^event/information', event.ajax),
url(r'^accounts/personal', accounts.personal),
url(r'^accounts/create', accounts.create),
url(r'^accounts/edit', accounts.edit),
url(r'^accounts/remove', accounts.remove),
url(r'^$', views.bootstrap),
)
如果有办法做到这一点，是否涉及ajax？由于缺乏足够的答案，我又问了一次。
您应该将 documents 上下文变量传递给处理 /alzheimers/ 页面的视图中的模板。
更新：您应该更改的视图是 views.boostrap()。所以模板的呈现将是这样的：
def bootstrap(request):
...
return render_to_response('webportal/bootstrap.html',
{'documents': Document.objects.all()},
context_instance=RequestContext(request)
)