第11章节-Python3.5-Django的Model使用 10

app：
        migrations     数据修改表结构
        admin          Django为我们提供的后台管理
        apps           配置当前app
        models         ORM,写指定的类  通过命令可以创建数据库结构
        tests          单元测试
        views          业务代码

• 接下来在

  
  
  image.png
• 修改models.py 文件:

from django.db import models

# Create your models here.


class UserType(models.Model):
    name = models.CharField(max_length=32)


class UserInfo(models.Model):

    username = models.CharField(max_length=32)
    pwd = models.CharField(max_length=32)
    email = models.CharField(max_length=32)
    user_type = models.ForeignKey(UserType)

• 然后在

  
  
  image.png
• 修改settings.py 文件:

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'cmdb',
]

image.png

• 然后在Terminal 运行以下命令:
  (python manage.py makemigrations)
  (python manage.py migrate)

(python3) C:\Users\Administrator\PycharmProjects\s14django>python manage.py makemigrations
Migrations for 'cmdb':
  cmdb\migrations\0001_initial.py:
    - Create model UserInfo
    - Create model UserType
    - Add field user_type to userinfo

(python3) C:\Users\Administrator\PycharmProjects\s14django>python manage.py migrate
Operations to perform:
  Apply all migrations: admin, auth, cmdb, contenttypes, sessions
Running migrations:
  Applying contenttypes.0001_initial... OK
  Applying auth.0001_initial... OK
  Applying admin.0001_initial... OK
  Applying admin.0002_logentry_remove_auto_add... OK

  Applying contenttypes.0002_remove_content_type_nam
e... OK
  Applying auth.0002_alter_permission_name_max_lengt
h... OK
  Applying auth.0003_alter_user_email_max_length...
OK
  Applying auth.0004_alter_user_username_opts... OK
  Applying auth.0005_alter_user_last_login_null... OK
  Applying auth.0006_require_contenttypes_0002... OK
  Applying auth.0007_alter_validators_add_error_messages... OK
  Applying auth.0008_alter_user_username_max_length... OK
  Applying cmdb.0001_initial... OK
  Applying sessions.0001_initial... OK

(python3) C:\Users\Administrator\PycharmProjects\s14django>

• 如下图:

  
  

• 接下来在:

  
  
  image.png

• 在admin.py 修改代码如下(创建后台管理):

from django.contrib import admin

from cmdb import models
# Register your models here.

admin.site.register(models.UserInfo)
admin.site.register(models.UserType)

在在Terminal 运行以下命令:

image.png

• 创建超级管理员(python manage.py createsuperuser)

(python3) C:\Users\Administrator\PycharmProjects\s14
django>python manage.py createsuperuser
Username (leave blank to use 'administrator'): alex
Email address: [email protected]

Password:  asdfzxcv
Password (again):asdfzxcv

• 然后运行

  
  
  image.png

• 打开浏览器(http://127.0.0.1:8000/admin)得到下图:
  

  image.png

• 输入u(alex)m(asdfzxcv) 登录如下图:

  
  
  image.png

image.png