modify detail view use new methods for return 404.

3 years ago · 6792a0795c
parent dcb683de36
commit 6792a0795c
2 changed files with 19 additions and 10 deletions
--- a/polls/templates/detail.html
+++ b/polls/templates/detail.html
@ -5,6 +5,11 @@
    <title>Title-{{ question }}</title>
 </head>
 <body>
-{{ question }}
+<h1>{{ question.question_text }}</h1>
+<ul>
+    {% for choice in question.choice_set.all %}
+        <li>{{ choice.choice_text }}</li>
+    {% endfor %}
+</ul>
 </body>
 </html>
--- a/polls/views.py
+++ b/polls/views.py
@ -1,4 +1,5 @@
 from django.shortcuts import render
+from django.shortcuts import get_object_or_404
 from django.http import HttpResponse
 from django.http import Http404
 from .models import Question
@ -26,15 +27,18 @@ def index(request):

 def detail(request, 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)
-
+    # 添加404页面展示 方式1
+    # 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)
+
+    # 添加404页面展示 方式2
+    question = get_object_or_404(Question, pk=question_id)
+    return render(request, 'detail.html', {'question': question})

 def result(request, question_id):
    return HttpResponse(f"You're looking at the result of question {question_id}.")