因此，我正在撰寫一個由 Django 中的多項選擇題 (MCQ) 組成的測驗平臺。一切正常，但不知何故，我認為我的問題頁面中的單選按鈕值沒有通過 POST 請求獲取。
將不勝感激一些幫助！
這是我的模型：
from django.db import models
from django.contrib.auth.models import AbstractUser
from .managers import UserManager
from questions.models import Question
class User( AbstractUser ) :
email = models.EmailField( verbose_name = 'Email Address', unique = True, null = False )
username = None
USERNAME_FIELD = 'email'
REQUIRED_FIELDS = []
objects = UserManager()
def __str__( self ) : return self.get_username()
class Student( models.Model ) :
user = models.OneToOneField( User, on_delete = models.PROTECT )
mobile = models.CharField( verbose_name = 'Mobile Number', max_length = 10, unique = True )
def __str__( self ) : return self.user.get_username()
JAVA='J'
PYTHON='P'
DATABASE='D'
OPERATING_SYSTEM='O'
NETWORKING='N'
SUBJECT_CODE = [
( JAVA,'java' ),
( PYTHON,'python' ),
( DATABASE,'database management' ),
( OPERATING_SYSTEM,'operating systems' ),
( NETWORKING,'Computer Networks' )
]
class Performance( models.Model ) :
global SUBJECT_CODE
student = models.ForeignKey( Student, on_delete = models.PROTECT )
question = models.OneToOneField( Question, on_delete = models.PROTECT, null = True )
score = models.PositiveSmallIntegerField( verbose_name = 'Score', null = True )
qno = models.PositiveSmallIntegerField( null = True )
qindex = models.IntegerField( null = True )
subject_code = models.CharField( verbose_name = 'Subject Code', max_length = 32, choices = SUBJECT_CODE, default = PYTHON, null = False )
date_appeared = models.DateField( verbose_name = 'Date of Exam', auto_now_add = True, null = False )
from django.db import models
EASY='E'
MEDIUM='M'
HARD='H'
DIFFICULTY_LEVEL=[
(EASY,'easy'),
(MEDIUM,'medium'),
(HARD,'hard')
]
A='A'
B='B'
C='C'
D='D'
CORRECT_ANSWER=[(A,'A'),(B,'B'),(C,'C'),(D,'D')]
JAVA='J'
PYTHON='P'
DATABASE='D'
OPERATING_SYSTEM='O'
NETWORKING='N'
SUBJECT_CODE=[
(JAVA,'java'),
(PYTHON,'python'),
(DATABASE,'database management'),
(OPERATING_SYSTEM,'operating systems'),
(NETWORKING,'computer networks')
]
class Question( models.Model ) :
id=models.AutoField(primary_key=True, null=False)
subcode=models.CharField(max_length=1, choices=SUBJECT_CODE,default=PYTHON,null=False)
q_string=models.CharField(max_length=512,null=False)
A=models.CharField(max_length=512,null=False)
B=models.CharField(max_length=512,null=False)
C=models.CharField(max_length=512)
D=models.CharField(max_length=512)
correct=models.CharField(max_length=1,choices=CORRECT_ANSWER,default=A,null=False)
difficulty=models.CharField(max_length=1,choices=DIFFICULTY_LEVEL, default=EASY,null=False)
def __str__(self): return self.subcode " " str(self.id)
以下是我的看法：
from django.shortcuts import render, redirect
from profiles.models import User, Student, Performance
from questions.models import Question
from random import randint
subject_codes = {
'J' : 'Java',
'P' : 'Python',
'O' : 'Operating Systems',
'N' : 'Computer Networks',
'D' : 'DBMS'
}
def initialise_test_request( request ) :
request.student = Student.objects.get( user = request.user )
if Performance.objects.filter( student = request.student ).exists() is not True : Performance( student = request.student, subject_code = request.subject_code, score = 0, qno = 1 ).save()
p = Performance.objects.get( student = request.student )
p.subject_code = request.subject_code
p.qno = 0
p.score = 0
p.qindex = randint( 0, 9 )
p.question = list( Question.objects.filter( subcode = request.subject_code ) )[ p.qindex ]
p.save()
return request
def instruction( request, subject_code = None ) :
if subject_code is not None :
request.subject_code = subject_code
request.subject = subject_codes[ subject_code ]
if request.method == 'POST' :
if 'test_start' in request.POST.keys() : request = initialise_test_request( request )
return test( request )
return render( request, 'instructions.html', {} )
def test( request ) :
try : p = request.p
except : p = Performance.objects.get( student = Student.objects.get( user = request.user ) )
if p.qno > 0 :
if request.POST[ 'option' ] == list( Question.objects.filter( subcode = p.subject_code ) )[ p.qindex ] :
p.score = p.score 1
p.save()
if p.qno == 10 : return render( request, 'score.html', { 'score' : p.score } )
p.qno = p.qno 1
p.qindex = randint( 0, 9 )
p.question = list( Question.objects.filter( subcode = p.subject_code ) )[ p.qindex ]
p.save()
request.p = p
return render( request, 'question.html', { 'p' : p } )
這是我的問題頁面：
{% extends 'common.html' %}
{% load static %}
{% block title %} TEST {% endblock %}
{% block stylesheet %}
<script type = "text/javascript">
function submitAndNext()
{
var url =
}
</script>
{% endblock %}
{% block body %}
<center>
<div>
{{ p.qno }}. {{ p.question.q_string }}<br>
</div>
</center>
<br>
<form action="" method="POST">
{% csrf_token %}
<div style="margin-left: 50px;">
<input type="radio" id="" name="option" value="A" required>
<label for="">{{ p.question.A }}</label>
<br><br>
<input type="radio" id="" name="option" value="B">
<label for="css">{{ p.question.B }}</label>
<br><br>
<input type="radio" id="" name="option" value="C">
<label for="css">{{ p.question.C }}</label>
<br><br>
<input type="radio" id="" name="option" value="D">
<label for="css">{{ p.question.D }}</label>
<br><br><br>
<input type = "hidden" name = "test_started">
<button type="submit" class="btn btn-success rounded-pill">Submit and Next</button>
</div>
</form>
{{ p.score }}
{% endblock %}
我一直在嘗試不同的東西，所以可能會有一些差異。即使單擊正確的選項，分數也不會更新。
uj5u.com熱心網友回復：
當一個輸入框被選中時，它回傳'on'。這是您需要的：
在views.py中
if request.method =="POST":
if request.POST.get('the_name', None) == 'on':
print(request.POST.get('option'))
if request.method =="POST":
if request.POST.get('the_name2', None) == 'on':
print(request.POST.get('option'))
在 form.html 中
<input type="radio" name="the_name"/>
<input type="checkbox" name="the_name2"/>
轉載請註明出處，本文鏈接：https://www.uj5u.com/houduan/460498.html