flask SQLAlchemy 入门示例

#coding=utf-8

from flask import Flask
from flask.ext.sqlalchemy import SQLAlchemy

app = Flask(__name__)


app.config[‘SQLALCHEMY_DATABASE_URI‘] = ‘sqlite:///D:/code/t/src/app.db‘
db = SQLAlchemy(app)

class User(db.Model):
    id = db.Column(db.Integer, primary_key = True)
    user_name = db.Column(db.String(30))
    
    def __init__(self, id, user_name):
        self.id = id
        self.user_name = user_name
        
    def __repr__(self):
        return ‘<User %r>‘ % self.user_name


@app.route(‘/‘)
def index():
    return ‘flask‘


if __name__ == ‘__main__‘:
    db.create_all()
    app.run(port = 80)

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