4

我一直在寻找与我目前面临的相同问题的帖子。但我还没有找到解决办法。我的问题是:

我有一个标签列表。由 生成{% for tag in all_tags %}。每个标签都有一个标签状态表单。当用户从下拉列表中选择一个选项时,表单提交并应该保存 TagStatus 对象(标签是外键到 TagStatus)。但是,返回的是:

Exception Type: TypeError
Exception Value: 'QueryDict' object is not callable

html:

<form class="nice" id="status-form" method="POST" action="">
     {% csrf_token %}
     <input type="hidden" name="status_check" />
     <input type='hidden' name="tag" value="{{ tag }}" />
     <select name="select" id="positionSelect" class="input-text category" onchange="this.form.submit()">
          <option name="all" value="0">Your Status</option>
          <option name="investing" value="1">Status 1</option>
          <option name="selling" value="2">Status 2</option>
          <option name="interested" value="3">Status 3</option>
     </select>
</form>

视图.py:

@login_required
def tags(request):
    all_tags = Tag.objects.all()
    context = base_context(request)
    if request.method == 'POST':
        if 'status_check' in request.POST:
            status = request.GET('status')
            tag = request.GET('tag')
            user = request.user
            tag_status, created = TagStatus.objects.get_or_create(status=len(status), tag=tag, user=user).save()

            response = simplejson.dumps({"status": "Successfully changed status"})
        else:
            response = simplejson.dumps({"status": "Error"})
            return HttpResponse (response, mimetype='application/json')
    context['all_tags'] = all_tags
    return render_to_response('tags/tag.html', context, context_instance=RequestContext(request))

models.py(如果相关):

class TagStatus(models.Model):
    user = models.ForeignKey(User, null=True, unique=True)
    status = models.CharField(max_length=2, choices=tag_statuses)
    tag = models.ForeignKey(Tag, null=True, blank=True)

    def __unicode__(self):
        return self.status

    def save(self, *args, **kwargs):
        super(TagStatus, self).save(*args, **kwargs)

据我所知,这与状态不是数字有关。但是当我将其转换为 int 时。我犯了同样的错误。请帮我。为什么会这样?解决方法是什么?我不太确定如何解决这个问题。提前谢谢你的帮助。

4

4 回答 4

45

我相信您遇到的错误在以下几行中:

status = request.GET('status')
tag = request.GET('tag')

request.GET 是一个 QueryDict,并在它尝试“调用”不可调用对象后添加 ()。您正在寻找的语法似乎是字典查找语法:

status = request.GET['status']
tag = request.GET['tag']
于 2013-04-03T22:33:18.903 回答
5

或者只是调用 GETs get 来获取您的值

status = request.GET.get('status')
tag = request.GET.get('tag')
于 2016-06-24T15:24:36.587 回答
1
def add(request):
    var1 = int(request.GET.get("num1"))
    var2 = int(request.GET.get("num2"))

    res= var1+var2
    return render(request,'calc/result.html',{'Result':res})
于 2020-01-15T04:09:32.037 回答
0
status = request.GET.get['status']

tag = request.GET.get['tag']
于 2020-12-01T05:47:21.620 回答