我正在做某件事,但我被困住了。 这就是我想要做的 - 假设用户在网站上输入订单号(名为index.html),我想检查该订单是否存在于数据库中。如果是这样,那么它应该将用户重定向到发货页面 (shipment.html),其中所有详细信息都可用。我完全空白,没有任何想法。请帮忙。
编辑 - 尝试运行此程序时没有错误,但当用户在网站上输入订单号时没有任何反应。该网站除了重新加载页面之外什么也不做。
这是我尝试做的,但仍然不起作用! **这是源代码- ** 索引.html - `{% 块内容 %}
{% csrf_token %}
<button type="submit">
Track
</button>
</form>
{% endblock %}
{% if messages %}
<ul class="messages">
{% for message in messages %}
<li {% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}`
**views.py - **
def shipment(request):
if request.method == 'POST':
order_number = request.POST['order_number']
try:
shipment = Shipment.objects.get(order_number=order_number)
return redirect('shipment')
except Shipment.DoesNotExist:
message = f"Order ID {order_number} does not exist in the database."
else:
message = ""
return render(request, 'index.html', {'message': message})
**models.py - **
class Shipment(models.Model):
member_id = models.CharField(max_length=100)
order_number = models.CharField(max_length=100)
tracking_id = models.CharField(max_length=10)
priority = models.IntegerField()
current_location = models.CharField()
destination = models.CharField(max_length=100)
delivery_date = models.IntegerField()
**urls.py - **
urlpatterns = [path("", views.index, name="index"),
path("", views.login, name="login"),
path('', views.shipment, name='shipment'),
path('index.html', views.index, name='index'),
path('shipment', views.shipment, name='shipment'),]
我已经提供了所有可能有帮助的必要代码。我希望有人能站出来帮助我。
request.POST.get('order_number')