我想将views.py中的值传递给forms.py

Question

我想将值从views.py传递到forms.py. 我在views.py中写信，

def app(request):

    if request.method == "POST":
        form = InputForm(data=request.POST)
        if form.is_valid():
            name = form.cleaned_data['name']
            age = form.cleaned_data['age']

forms.py

class InputForm(forms.Form):
    name = forms.CharField(max_length=100)
    age = forms.CharField(max_length=100)

def logic(self):
   #I want to use views.py’s name&age’s value here

我是Django的新手，那么我应该如何编写代码来实现自己的理想目标？

Answer 1

实际上，您可以通过cleaned_data属性（这是一个dict对象）访问表单中的数据，因此，这里有一个示例save方法签出：

class CreatePostFrom(forms.Form):
    image = forms.ImageField(required=True)
    des = forms.CharField(required=False, max_length=250)
    location = forms.CharField(required=False, max_length=100)
    tags = forms.CharField(required=False, max_length=250)

    def save(self, user):
        tags = self.cleaned_data["tags"].split()
        for tag in tags:
            Tag.objects.get_or_create(name=tag)
        post = Post.objects.create(user=user,
                                   image=self.cleaned_data["image"],
                                   des=self.cleaned_data["des"],
                                   location=self.cleaned_data["location"])
        post.tags.add(*tags)
        return post

Answer 2

正如我在评论中所说：

在Form类中使用变量。

class InputForm(forms.Form):
    name = forms.CharField(max_length=100)
    name_data = ""
    age = forms.CharField(max_length=100)
    age_date = 0

    def logic(self):
        # I want to use views.py’s name&age’s value here
        # You can play here with your age_data and name_data

and views.py：

def app(request):

if request.method == "POST":
    form = InputForm(data=request.POST)
    if form.is_valid():
        form.name_data = form.cleaned_data['name']
        age.name_data = form.cleaned_data['age']

编辑（抱歉，我需要一杯咖啡。）

我刚刚看到您的cleaned_data来自您的表单，所以为什么不直接在类Class中像这样工作呢？

class InputForm(forms.Form):
    name = forms.CharField(max_length=100)
    age = forms.CharField(max_length=100)

    def logic(self):
        # I want to use views.py’s name&age’s value here
        # Why don't you use cleaned_data['name'] and age from here?
        name = cleaned_data['name']

并保持这种观点。

def app(request):

if request.method == "POST":
    form = InputForm(data=request.POST)
    if form.is_valid():
        name = form.cleaned_data['name']
        age = form.cleaned_data['age']

---

不确定这将以100％的百分比运行

，但是此答案的目的不是给您确切的解决方案，而是让您稍微尝试一下问题。作为Python初学者，如果您自己尝试并进行一些重新搜索，您将学到更多。

也可以考虑阅读以下内容：https://docs.djangoproject.com/en/2.1/topics/forms/#building-a-form-in-django