Python-Web: Django Template Inheritance

Templates can be reused through inheritance. Next, we first add a base.html file to the templates directory of the previous project, with the following code:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>标题</title>
</head>
<body>
    <h1>Hello World!</h1>
    <p>DA Django 测试。</p>
    {% block mainbody %}
       <p>original</p>
    {% endblock %}
</body>
</html>

In the code above, the block tag named mainbody is the part that can be replaced by inheritors. All {% block %} tags tell the template engine that child templates can override these parts. hello.html inherits from base.html and replaces a specific block. The modified code of hello.html is as follows:

{% extends "base.html" %}
 
{% block mainbody %}<p>继承了 base.html 文件</p>
{% endblock %}

The first line of code indicates that hello.html inherits the base.html file. As you can see, the block tag with the same name here is used to replace the corresponding block in base.html.

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