rest_framework/api.html

解决办法

在setting.py文件中添加

 ‘rest_framework‘ 

注册这个应用

INSTALLED_APPS = [ django.contrib.admin, django.contrib.auth, django.contrib.contenttypes, django.contrib.sessions, django.contrib.messages, django.contrib.staticfiles, ap01.apps.Ap01Config, ‘rest_framework‘, ]