#創建guest 項目
django-admin startproject guest
#創建sign 應用
\guest>python manage.py startapp sign
# 將app加入到setting.py 的INSTALLED_APPS 中
# navicat 創建數據庫
# 1. 創建更改的文件
python manage.py makemigrations
# 2. 將生成的py文件應用到數據庫
python manage.py migrate
#運行項目
\guest>python manage.py runserver
#啓動時指定IP 地址和端口號。
\guest>python manage.py runserver 127.0.0.1:8001
python manage.py runserver 0.0.0.0:8000
清空數據庫
python manage.py flush
創建超級管理員
python manage.py createsuperuser
# 按照提示輸入用戶名和對應的密碼就好了郵箱可以留空,用戶名和密碼必填
# 修改 用戶密碼可以用:
python manage.py changepassword username
導出數據 導入數據
python manage.py dumpdata appname > appname.json
python manage.py loaddata appname.json
python manage.py dumpdata appname > appname.json
python manage.py loaddata appname.json
\guest>python3 manage.py shell
#列出所有數據
Event.objects.all()
#新加數據
Event.object.create(id=1,name='awen)
e1=Event(id=2,name='afei')
e1.save()
#查詢數據
e1=Event.object.get(name='awen')
e1.id
e1= Event.object.get(id='1').name
#刪除數據
g1 = Guest.objects.get(phone='13611001101')
g1.delete()
Guest.objects.get(phone='13611001101').delete()
.
#更新數據
g3 = Guest.objects.get(phone='13611001101')
g3.name='awen'
g3.save()
Guest.objects.select_for_update().filter(phone='13611001101').update(realname='andy')
python manage.py makemigration
python manage.py migrate --database=zdemo8_api_dev