python django day 1

cmd

d:\python\python.exe pip install --upgrade pip

d:\python\python.exe pip install Django

123.py

import django

print(django.VERSION)

print(django.get_version())

cmd

django-admin.py startproject project_name  当前 目录建一个模板

python manage.py startapp flm  创建一个APP项目

python manage.py makemigrations 创建一个迁移文件

python manage.py migrate  迁移

python manage.py runserver 8001 运行
python manage.py flush 清空数据库
python manage.py createsuperuser 创建管理员
python manage.py changepassword username 修改密码
python manage.py dumpdata appname > appname.json
python manage.py loaddata appname.json 导出数据 导入数据
python manage.py shell Django 项目环境终端
python manage.py dbshell 数据库命令行
python manage.py 更多命令

django-admin startproject mysite
cd mysite
python manage.py startapp learn
mysite/mysite/settings.py INSTALLED_APPS = ( 'learn',）
learn这个目录中,把views.py
# coding:utf-8
from django.http import HttpResponse

def index(request):
return HttpResponse(u"欢迎光临 自强学堂!")

mysite/mysite/urls.py

from learn import views as learn_views # new
urlpatterns = [
path('', learn_views.index), # new
]

python manage.py runserver

https://docs.djangoproject.com/en/2.0/topics/http/urls/