simple_tag

from django.template import Library

register = Library()


@register.simple_tag
def func(arg):
    return arg
templatetags/yg_list.py
{% load yg_list %}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

    <h1>数据列表</h1>
    {% func "666" %}

</body>
</html>
test.html
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原文地址：https://www.cnblogs.com/golangav/p/7505992.html