Question

我一直在努力创建一个照片上传系统，允许用户上传图片，然后写入标题并对该图片发表评论。我在创建图像上传功能时最初使用的是ModelForm，但是切换到了一个表单向导以进行上传和放大。评论功能基于以前的stackoverflow答案。我真的很困惑让我的网站的用户ID系统使用这种方法（当我试图上传图片时我不断得到错误用户ID不能为空）并且找不到任何好的资源 - 是否有任何建议方法是有效的，我如何解决user_id问题？

Views.py：

def showScrapbookPage(request,userID):
    if request.method == 'POST':
        image = ImageUploadForm(request.POST, request.FILES)
        user = User.objects.get(pk=userID)
        if image.is_valid():
            image.save()
    scrapbook_gen = Pictures.objects
    url = Pictures.objects.filter(user=User.objects.get(pk=userID))
    return render(request, 'scrapbook/scrapbook.html', {'scrapbook_gen':scrapbook_gen, 'url':url, 'form': ImageUploadForm(),'userID':userID})


class PhotoWizard(SessionWizardView):
    file_storage = FileSystemStorage(location = os.path.join(settings.MEDIA_ROOT, ''))
    def done(self, form_list, **kwargs):
        do_something_with_the_form_data(form_list)
        return HttpResponseRedirect('/page-to-redirect-to-when-done/')

Models.py：

class Pictures(models.Model):
    user = models.ForeignKey(User)
    picture = models.ImageField(upload_to = 'scrapbook_uploads', default = 'static/scrapbook/images/no_pic_uploaded.jpg');
    date = models.DateTimeField('date published', auto_now=True)
    caption = models.TextField(blank = True)
    title = models.CharField(max_length = 100, blank = True) #New
    def __unicode__(self):
        return self.caption

Forms.py：

class ImageUploadForm(ModelForm):
    class Meta:
        model = Pictures
        fields = ['picture']
        user = ['userID']

class TitleCommentForm(ModelForm):
    class Meta:
        model = Pictures
        field = ["caption", "title"]

网址：

url(r'^(?P<userID>[-\w]+)/scrapbook/',views.showScrapbookPage, name='showScrapbook'),
url(r'^contact/$', PhotoWizard.as_view([ImageUploadForm, TitleCommentForm])),

模板中的相关部分：

{% load i18n %}

{% block head %}
{{ wizard.form.media }}
{% endblock %}

{% block content %}
<p>Step {{ wizard.steps.step1 }} of {{ wizard.steps.count }}</p>
<form action="" method="post">{% csrf_token %}
<table>
{{ wizard.management_form }}
{% if wizard.form.forms %}
    {{ wizard.form.management_form }}
    {% for form in wizard.form.forms %}
        {{ form }}
    {% endfor %}
{% else %}
    {{ wizard.form }}
{% endif %}

</table>
{% if wizard.steps.prev %}
<button name="wizard_goto_step" type="submit" value="{{ wizard.steps.first }}">{% trans "first step" %}</button>
<button name="wizard_goto_step" type="submit" value="{{ wizard.steps.prev }}">{% trans "prev step" %}</button>
{% endif %}
<input type="submit" value="{% trans "submit" %}"/>
</form>
{% endblock %}

 <!--Grid -->
  <div id='frame'>
    <table id = "frame-table">
        <tr>
          <td id = "left">
            <span class="glyphicon glyphicon-chevron-left" alt = "left"></span>
          </td>
          <td id = "right">
            <span class = "glyphicon glyphicon-chevron-right" alt = "right"/>
          </td>
        </tr>
      </table>
    <img id = "main" src="" alt=""/>
  </div>
  <div id = "wrapper" class="showpiece">
    <ul id = "portfolio">
      {% for x in url %}
      {{ x.picture }}
      <li><img src = '{{ MEDIA_URL }}{{ x.picture }}' ></li>
      {% endfor %}
    </ul>
  </div>

谢谢！

Answer 1

完全删除已添加的UserID内容，并在您的观看中使用user = request.user。

使用带有用户图像上传的ModelForm向导 - 无法获得user.PK

1 个答案: