Django学习笔记（二）

1.  创建数据模型

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polls/models.py

from django.db import models 

class Question(models.Model):

    question_text = models.CharField(max_length=200)

     pub_date = models.DateTimeField('date published')

class Choice(models.Model):

    question = models.ForeignKey(Question,on_delete=models.CASCADE)

    choice_text = models.CharField(max_length=200)

    votes = models.IntegerField(default=0)

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2. 将app载入项目中

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INSTALLED_APPS=    

    [

        'dbmanage.apps.PollsConfig',

        'django.contrib.admin',

        'django.contrib.auth',

        'django.contrib.contenttypes',

        'django.contrib.sessions',

        'django.contrib.messages',

        'django.contrib.staticfiles',

    ]

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3. 自动创建对应的sql语句 —— $python manage.py makemigrations polls

4. 自动创建数据对象的表 ——$python manage.py migrate

5. 创建admin用户 —— $python manage.py createsuperuser

6. 将数据对象加入admin的管理中

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polls/admin.py

from django.contrib import admin

from . models import Question

admin.site.register(Question)