Django如何移除数据库字段？

关键步骤：

1. 第一步：python manage.py makemigrations  你的项目名称
2. 第二步： python manage.py migrate

(.venv) PS D:\python_workpace\django_xitong_shezhi\pythonProject\myproject> python manage.py makemigrations  myproject
Migrations for 'myproject':
  myproject\migrations\0005_remove_role_role_name1.py
    - Remove field role_name1 from role
(.venv) PS D:\python_workpace\django_xitong_shezhi\pythonProject\myproject> python manage.py migrate
Operations to perform:
  Apply all migrations: admin, auth, contenttypes, myproject, sessions
Running migrations:
  Applying myproject.0005_remove_role_role_name1... OK