系统：win7
python3.6.3
电脑上只有一个python
编译器：pycharm
创建models时触发错误
错误：ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?
解决方法：在pycharm>Terminal>输入pip3 install django==1.8.5(选择自己需要的版本)
可能会出现错误：inventory.IMG.img: (fields.E210) Cannot use ImageField because Pillow is not installed.
HINT: Get Pillow at https://pypi.python.org/pypi/Pillow or run command "pip install Pillow".
解决方法：pip install Pillow
安装成功
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输入：python manage.py makemigrations
创建表成功
数据迁移：python manage.py migrate
成功！