补充理解: latest_question_list = Question.objects.order_by('-pub_date')[:5] 实际返回的是一个集合<QuerySet [<Question: test2>, <Question: test1>, <Question: what's up>]> {% if latest_question_list %} 如果没有集合对象,则走{% else %} 存在的话就走 {% for question in latest_question_list %} 去遍历这个集合,一个个取出来
补充理解: latest_question_list = Question.objects.order_by('-pub_date')[:5] 实际返回的是一个集合<QuerySet [<Question: test2>, <Question: test1>, <Question: what's up>]> {% if latest_question_list %} 如果没有集合对象,则走{% else %} 存在的话就走 {% for question in latest_question_list %} 去遍历这个集合,一个个取出来