Author: Ju4t
sudo brew install python3
# 安装
sudo pip3 install virtualenv
sudo pip3 install virtualenvwrapper
# mkvirtualenv 无法使用就 设置环境变量
# 创建目录用来存放虚拟环境
mkdir $HOME/.virtualenvs
# 在~/.bashrc中添加行:
export WORKON_HOME=$HOME/.virtualenvs
VIRTUALENVWRAPPER_PYTHON=/usr/local/bin/python3
source /usr/local/bin/virtualenvwrapper.sh
# 运行
source ~/.bashrc
mkvirtualenv -p python3 py3_django # 创建虚拟环境
workon py # tab tab 查看虚拟环境
work py3_django # 切换虚拟环境
deactivate # 退出虚拟环境
rmvirtualenv py3_django # 删除虚拟环境
# 公网
pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/
pip config set install.trusted-host https://mirrors.aliyun.com
# ECS
pip config set global.index-url https://mirrors.cloud.aliyuncs.com/pypi/simple/
pip config set install.trusted-host mirrors.cloud.aliyuncs.com
pip3 install Django //在虚拟环境下安装 django,不加sudo
pip3 list //查看已安装的工具包
django-admin startproject Project
cd Project
python manage.py startapp Book
python manage.py runserver
pip install PyMySQL
project/init.py
import pymysql
pymysql.install_as_MySQLdb()
project/settings.py
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'HOST': env.get('DB_HOST', 'localhost'),
'PORT': env.get('DB_PORT', 3306),
'NAME': env.get('DB_NAME','test'), # 字符集:utf8mb4 排序规则:utf8mb4_unicode_ci (支持表情)
'USER': env.get('DB_USER','root'),
'PASSWORD': env.get('DB_PASS', 'CHENGEME'),
# 'CONN_MAX_AGE': 60,
'options': {'init_command': 'SET storage_engine=INNODB, sql_mode="STRICT_TRANS_TABLES"', 'charset': 'utf8mb4'}
},
}
class Comment(models.Model):
item = models.ForeignKey(Item, on_delete=models.CASCADE)
avatar = models.CharField(max_length=200, null=True, blank=True)
name = models.CharField(max_length=20)
time = models.DateTimeField('评价时间', auto_now=True)
content = models.CharField(max_length=200)
python3 manage.py makemigrations && python3 manage.py migrate
# 分库迁移
# python3 manage.py makemigrations && python3 manage.py migrate --database=item
python3 manage.py createsuperuser
pip install -r requirements.txt
python manage.py collectstatic
python manage.py compress