First save the form after the user has input values using -
`userform.save()`
Then get that value using - val = userform.CharField
Now send the `val` in the context and show it to user wherever you want
PS- `CharField` would be whatever varuable name you have used in
form/ModelForm
On Sun, 9 Jun 2019, 02:39 Majid Rafiee, <rafie...@gmail.com> wrote:
> I am trying to create a form which asks user to input a value, do some
> calculations on it and show the results back to the user. Here is what I've
> done: I have created an app called QMarcum. Inside this app I have this
> views.py, forms.py and urls.py:
>
> views.py
>
> from django.shortcuts import render
> from scipy.integrate import quad
> import scipy, numpy, math
> from scipy import integrate
> from django.http import HttpResponse
> from .forms import Calculate
>
> def integrand(x):
> Q_y = (1/(math.sqrt(2*math.pi)))*math.exp((-x**2)/2)
> return Q_y
> y = Calculate.y
> ans, err = quad(integrand, float(y), math.inf)
> print(ans)
> return render(request, 'test.html', {'form': Q_y})
> forms.py
>
> from django import forms
>
> class Calculate(forms.Form):
> y = forms.FloatField()
> urls.py
>
> from django.urls import path
> from . import views
>
> urlpatterns = [
> path('form', views.integrand),
> ]
> form.html
>
> <!DOCTYPE html>
> <html lang="en">
> <head>
> <meta charset="UTF-8">
> <title>Title</title>
> </head>
> <body>
> <form method="post">
> {% csrf_token %}
> {{ form }}
> <button type="submit">Submit</button>
> </form>
> </body>
> </html>
> The form asks user to input a value (y) (y is printed on terminal
> successfully), however, print(ans) doesn't print the value AND also I don't
> know how to show the calculated result (ans) to user.
>
> Thanks in advance
>
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