1、install

• python
• conda create -n env
• source activate env
• conda install django
• conda install mysqlclient

2、first project

 django-admin startproject mysite
   
 python manage.py runserver
 python manage.py runserver 8080

3、APP

通过manage.py创建app

python manage.py startapp polls

4、ORM

mysite/settings.py

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'django',
        'USER': 'root',
        'PASSWORD': '',
        'HOST': '127.0.0.1',
        'PORT': '3306',
    }
}

模型

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)

command

python manage.py syncdb

python manage.py sql polls
python manage.py validate
python manage.py sqlcustom polls
python manage.py sqlclear polls
python manage.py sqlindexes polls
python manage.py sqlall polls

进入交互模式

python manage.py shell

常用方法

p.save()

Poll.objects.all()

Poll.objects.filter()

Poll.objects.get()