Question

设计一个带有自定义搜索的项目，在列表中必须满足两个条件，例如（输入文本和选择标记选项）或（输入文本和日期选项）。

目前使用输入文本和日期选项进行搜索有效，但如果我使用输入文本进行搜索并选择标记选项，则会出现这些错误，

[u"'' value has an invalid format. It must be in YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ] format."]

这是我的模特：

class OrderItem(models.Model):
    order_type            = models.CharField(max_length=50, blank=True, null=True)
    certification_no      = models.CharField(max_length=10, default="43534")
    client                = models.ForeignKey(Client, blank=True, null=True)
    item                  = models.CharField(max_length=500)
    quantity              = models.PositiveIntegerField(default=1)
    item_value            = models.DecimalField(decimal_places=2, max_digits=7)
    certification_type    = models.CharField(max_length=200)

    packing_list          = models.FileField(upload_to='files/%Y-%m-%d', blank=True, null=True)

    order                 = models.ForeignKey('Order', blank=True, null=True)
    created_on            = models.DateTimeField(auto_now_add = True)

这是我的form.py：

class OrderItemForm(ModelForm): 
    class Meta:
        model  =   OrderItem
        fields = ['client','item','quantity', 'item_value', 
        'certification_type', 'packing_list', 'certification_no']

以下是我的观点：

def search_form(request):

    data = OrderItem.objects.order_by().values_list('certification_type', flat=True).distinct()
    print data

    if request.method == 'GET':
        user_search = request.GET.get('searched_item')
        print "What is searched for is : ", user_search

        selected_tag = request.GET.get('certification_type')
        print "The selected certificate type is :", selected_tag

        start_date = request.GET.get('first_date')
        print "The start date is : ", start_date

        end_date = request.GET.get('second_date')
        print "The end date is : ", end_date

        if user_search != None and (start_date != None or end_date != None or selected_tag !=None):
            items = OrderItem.objects.filter(
                (Q(certification_type__iexact=selected_tag) | Q(created_on__range=(start_date , end_date)) ) , 
                Q(order_type__iexact= user_search) | Q(item__iexact= user_search)
                 | Q(certification_no__iexact= user_search) | Q(client__user__email__iexact= user_search) | Q(client__phone_number__iexact= user_search) 
                 | Q(id__iexact= user_search) | Q(created_on__iexact= user_search)
                 )


            print "items  ",  items
            return render(request, 'i/search_results.html', {'items':items, 'user_search_query':user_search, 'selected_tag_query': selected_tag, "data":data, "start_date": start_date, "end_date": end_date})

        else:
            return render(request, 'i/dashboard.html', {'error':True,  "data":data})

    else:
        return render(request, 'i/dashboard.html', {'error':True,  "data":data})

    return render(request, 'i/search_results.html', {'items':items, 'user_search_query':user_search, 'selected_tag_query': selected_tag, "data":data})

不知道自己做错了什么，

Answer 1

在视图中：

不是user_search != None您应该使用user_search != '' 并在forms.py中使用此示例进行handel错误：

def clean_user_search(self):
    test = self.cleaned_data.get('Name')

    if test != '':
        raise ValidationError('error')
    return test

日期验证错误

1 个答案: