1.’WSGIRequest’ object has no attribute ‘user’

完整报错信息

AttributeError at /admin/
'WSGIRequest' object has no attribute 'user'
Request Method: GET
Request URL:    http://127.0.0.1:8000/admin/
Django Version: 1.8.18
Exception Type: AttributeError
Exception Value:    
'WSGIRequest' object has no attribute 'user'
Exception Location: /Library/Python/2.7/site-packages/django/contrib/admin/sites.py in has_permission, line 162
Python Executable:  /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Python Version: 2.7.10

解决方法：
将 settings.py 中的 MIDDLEWARE修改为 MIDDLEWARE_CLASSES
可参考：https://docs.djangoproject.com/ja/1.9/topics/http/middleware/

2.提示用户不存在
通过命令 python manage.py createsuperuser 来创建超级用户，如下所示：

# python manage.py createsuperuser
Username (leave blank to use 'root'): admin
Email address: admin@gmail.com
Password:
Password (again):
Superuser created successfully.

3.no such table: django_session
说明没有创建相关的数据表

python manage.py syncdb

4.为了让 admin 界面管理某个数据模型，我们需要先注册该数据模型到 admin。比如，在 TestModel 中已经创建了模型 Test 。修改 TestModel/admin.py:

from django.contrib import admin
from TestModel.models import Test

# Register your models here.
admin.site.register(Test)

刷新后即可看到 Testmodel 数据表，可进行数据的新增修改操作