1.base.html,预留块,以便于继承的子模板重写
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>{% block title %}Base{% endblock title %}</title>
</head>
<body>
<h1>头部</h1>
{% block b1 %}
<p>我自己的</p>
{% endblock b1 %}
{% block b2 %}
{% endblock b2 %}
<h2>底部</h2>
</body>
</html>
2.child.html子模板,继承base.html,{{ block.super }}显示父模板中的内容
{% extends 'good/base.html' %}
{% block title %}C1{% endblock title %}{# 继承标题 #}
{% block b1 %}
{{ block.super }}{# 继承父模板默认内容 #}
<p>重新写</p>
{% endblock b1 %}