flask database connection settings

Database connection settings

File

• In Flask-SQLAlchemy, the database using the specified URL, and the program must be saved to the database using the Flask configuration objects SQLALCHEMY_DATABASE_URI key

app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://root:[email protected]:3306/test'

• other settings:

# 动态追踪修改设置，如未设置只会提示警告
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True
#查询时会显示原始SQL语句
app.config['SQLALCHEMY_ECHO'] = True

• MySQL needs to create a configuration used in the project database

$ mysql -uroot -pmysql
$ create database test charset utf8;