在Django中显示选定的投票选项和总体结果,可以通过以下步骤实现:
from django.db import models
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
class Choice(models.Model):
question = models.ForeignKey(Question, on_delete=models.CASCADE)
choice_text = models.CharField(max_length=200)
votes = models.IntegerField(default=0)
from django.shortcuts import render, get_object_or_404
from .models import Question
def detail(request, question_id):
question = get_object_or_404(Question, pk=question_id)
return render(request, 'polls/detail.html', {'question': question})
def results(request, question_id):
question = get_object_or_404(Question, pk=question_id)
return render(request, 'polls/results.html', {'question': question})
<!-- detail.html -->
<h1>{{ question.question_text }}</h1>
<form action="{% url 'polls:results' question.id %}" method="post">
{% csrf_token %}
{% for choice in question.choice_set.all %}
<input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{ choice.id }}">
<label for="choice{{ forloop.counter }}">{{ choice.choice_text }}</label><br>
{% endfor %}
<input type="submit" value="Vote">
</form>
<!-- results.html -->
<h1>{{ question.question_text }}</h1>
<ul>
{% for choice in question.choice_set.all %}
<li>{{ choice.choice_text }} - {{ choice.votes }} vote{{ choice.votes|pluralize }}</li>
{% endfor %}
</ul>
通过以上步骤,就可以在Django中显示选定的投票选项和总体结果。在投票详情页面,用户可以选择一个选项并提交投票,然后跳转到投票结果页面,显示各个选项的投票结果。
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