Flask文件目录----- db文件

Flask文件目录----- db文件

import sqlite3

import click
from flask import current_app, g
from flask.cli import with_appcontext

def get_db():
if 'db' not in g:
g.db = sqlite3.connect(
current_app.config['DATABASE'],
detect_types = sqlite3.PARSE_DECLTYPES
)
g.db.row_factory = sqlite3.Row

return g.db

def close_db(e=None):
db = g.pop('db', None)

if db is not None:
    db.close()

def init_db():
db = get_db()

with current_app.open_resource('schema.sql') as f:
    db.executescript(f.read().decode('utf8'))

@click.command('init-db')
@with_appcontext
def init_db_command():
"""Clear the existing data and create new tables."""
init_db()
click.echo('Initialized the database.')

def init_app(app):
app.teardown_appcontext(close_db)
app.cli.add_command(init_db_command)

posted on 2019-01-10 21:55 徐建0304 阅读( ...) 评论( ...) 编辑 收藏

转载于:https://www.cnblogs.com/Treasuremy/p/10252598.html