在Django中删除带有表单的对象 [英] Delete object with form in django

问题描述

我正在显示一张桌子。在每一行中都应该有一个删除按钮，用于从表中删除该元素。

I'm displaying a table. In every line there should be a delete button which deletes the element from the table.

我的问题是，我不确定如何将元素的ID传递给

My problem is, I'm not sure how to pass the id of the element to the view.

html：

{% for post in posts %}
    <div>
        <h3>Zuletzt ausgewählt:</h3>
        <p>published: <b>{{ post.pub_date }}</b>
        </p>
        <p>
            name: <b>{{ post.Name }}</b>
            anmeldung: <b>{{ post.get_Anmeldung_display }}</b>
            essen: <b>{{ post.get_Essen_display }}</b>
                <form action="" method="POST">
                  {% csrf_token %}
                  <input class="btn btn-default btn-danger" name="delete" type="submit" value="Löschen"/>
                </form>
        </p>
        <p>
            Email: <b>{{ post.Email }}</b>
        </p>
    </div>
{% endfor %}

views.py

if request.method == 'POST' and 'delete' in request.POST:
    Eintrag.objects.filter(pk=id).delete()
    return HttpResponseRedirect(request.path)  

所以我需要传递post.pub_date

So I need to pass post.pub_date of every post to the view, how can I accomplish that?

推荐答案

我的问题是，我我不确定如何将元素的ID传递给视图。

My problem is, I'm not sure how to pass the id of the element to the view.

我可以想到两种方法。我将一一介绍它们。

I can think of two ways to do this. I'll cover them both one by one.

1。。在您的应用中创建一个单独的url路由，专门用于删除对象：

1. Create a separate url route in your app specifically for deleting objects:

('/post/<pk>/delete/', name="delete_post"),

然后将表单的操作指向此URL：

Then point your form's action to this url:

<form action="{% url 'delete_post' post.pk %}" method="POST">
    ...

最后，修改您的视图函数以接受 pk 参数：

Finally, modify your view function to accept the pk argument:

def my_view(request, pk): 
    ...

---

2。第二方法是在表单中创建另一个字段，并将其传递给对象的pk：

---

2. Second method is to just create another field in your form and pass it the pk of the object:

只需在表单中创建另一个字段。

Just create another field in your form.

<form action="" method="POST">
    <input type="hidden" value="{{ post.pk }}" name="pk">
    ...

然后在您看来，仅查看请求.POST ['pk'] 获取帖子的pk。

Then in your view just look at request.POST['pk'] to get the pk of the post.

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