nonozone nonozone

## checkin.py
## app.py
# 导入Flask和SQLAlchemy
from flask import Flask
from flask_sqlalchemy import SQLAlchemy

# 创建Flask应用实例
app = Flask(__name__)

# 配置SQLite数据库
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
	## app.py
	# 导入Flask和SQLAlchemy
	from flask import Flask
	from flask_sqlalchemy import SQLAlchemy

	# 创建Flask应用实例
	app = Flask(__name__)

	# 配置SQLite数据库
	app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'