Django常用命令

创建新的项目

django-admin.py startproject my_project

创建新的App

# 在Django项目(my_project)的根目录下执行
python manage.py startapp my_app

数据库迁移

# 创建迁移
python manage.py makemigrations

# 应用迁移
python manage.py migrate

启动Django服务

python manage.py runserver

创建models

class App1(models.Model):
 
    title = models.CharField(max_length=100)
 
    category = models.CharField(max_length=50, blank=True)
 
    date_time = models.DateTimeField(auto_now_add=True)
 
    def __unicode__(self):
 
        return self.title
 
    class Meta:
 
        ordering = ['-date_time']

进入Django中的交互式shell

python3 manage.py shell
 
from app1.models import App1
 
# create(增加操作)
App1.objects.create(title='title',category='category1')
 
# all和get(查看操作)
App1.objects.all()
App1.objects.get(id=1)
 
# update(修改操作)
demo = App1.objects.get(id=1)
demo.title
demo.title='title2'
 
# delete(删除操作)
demo.delete()

创建一个超级用户

python3 manage.py createsuperuser
 
# 输入http://127.0.0.1:8000/admin登录后台