连接mysql数据库，创建用户模型

from flask import Flask, render_template
from flask_sqlalchemy import SQLAlchemy
import config

app = Flask(__name__)

app.config.from_object(config)
db = SQLAlchemy(app)


class User(db.Model):
    __tablename__=‘user‘
    id=db.Column(db.Integer,primary_key=TabError,autoincrement=True)
    username = db.Column(db.String(20), nullable=False)
    password = db.Column(db.String(20), nullable=False)

db.create_all()


@app.route(‘/‘)
def base():
    return render_template(‘base.html‘)


@app.route(‘/login/‘)
def login():
    return render_template(‘login.html‘)


@app.route(‘/regist/‘)
def regist():
    return render_template(‘regist.html‘)


@app.route(‘/zimoban/‘)
def zimoban():
    return render_template(‘zimoban.html‘)


@app.route(‘/zzimoban/‘)
def zzimoban():
    return render_template(‘zzimoban.html‘)


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


if __name__ == ‘__main__‘:
    app.run(debug=True)

SQLALCHEMY_DATABASE_URI=‘mysql+pymysql://root:123456@localhost:3306/test?charset=utf8‘
SQLALCHEMY_TRACK_MODIFICATTONS = False