modify index and detail view with render template.

2 years ago · dcb683de36
parent a8ab36ffd6
commit dcb683de36
4 changed files with 60 additions and 2 deletions
--- a/polls/models.py
+++ b/polls/models.py
@ -6,8 +6,14 @@ class Question(models.Model):
    question_text = models.CharField(max_length=200)
    pub_date = models.DateField('date published')

+    def __str__(self):
+        return self.question_text
+

 class Choice(models.Model):
    question = models.ForeignKey(Question, on_delete=models.CASCADE)
    choice_text = models.CharField(max_length=200)
    votes = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.choice_text
--- a/polls/templates/detail.html
+++ b/polls/templates/detail.html
@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title-{{ question }}</title>
+</head>
+<body>
+{{ question }}
+</body>
+</html>
--- a/polls/templates/index.html
+++ b/polls/templates/index.html
@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+    {% if latest_question_list %}
+        <ul>
+        {% for question in latest_question_list %}
+            <li><a href="https://127.0.0.1/polls/{{ question.id }}/">{{ question.question_text }}</a></li>
+        {% endfor %}
+        </ul>
+    {% else %}
+        <p>No polls are available.</p>
+    {% endif %}
+</body>
+</html>
--- a/polls/views.py
+++ b/polls/views.py
@ -1,15 +1,39 @@
 from django.shortcuts import render
 from django.http import HttpResponse
+from django.http import Http404
+from .models import Question
+from django.template import loader


 # Create your views here.

 def index(request):
-    return HttpResponse("Hello, Django. U are at the polls index")
+    latest_question_list = Question.objects.order_by('-pub_date')[:5]
+    # output = ', '.join([q.question_text for q in latest_question_list])
+    # return HttpResponse(output)
+    # 模板使用方式1
+    # template = loader.get_template('index.html')
+    # context = {
+    #     'latest_question_list': latest_question_list,
+    # }
+    # return HttpResponse(template.render(context, request))
+    # 模板使用方法2
+    context = {
+        'latest_question_list': latest_question_list,
+    }
+    return render(request, 'index.html', context)


 def detail(request, question_id):
-    return HttpResponse(f"You're looking at question {question_id}.")
+    # return HttpResponse(f"You're looking at question {question_id}.")
+    # 添加404页面展示
+    try:
+        question = Question.objects.get(pk=question_id)
+        context = {'question': question}
+        print(context)
+    except Question.DoesNotExist:
+        raise Http404("Question does not exist")
+    return render(request, 'detail.html', context)


 def result(request, question_id):