flask项目搭建

config---配置

# -*- coding = utf-8 -*-
# @Time : 2020/7/28 17:51
# @Author : 贾伟文
# @File : config.py
# @Software : PyCharm

DB_URI = 'mysql://root:123456@localhost:3306/icbc?charset=utf8'
SQLALCHEMY_DATABASE_URI = DB_URI
SQLALCHEMY_TRACK_MODIFICATIONS = False
SECRET_KEY = 'abfhdj'

exts

# -*- coding = utf-8 -*-
# @Time : 2020/7/28 17:48
# @Author : 贾伟文
# @File : exts.py
# @Software : PyCharm

from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()

manage

# -*- coding = utf-8 -*-
# @Time : 2020/7/28 18:09
# @Author : 贾伟文
# @File : manage.py
# @Software : PyCharm

from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand
from app import app
from exts import db

manager = Manager(app)
Migrate(app, db)
manager.add_command('db', MigrateCommand)


if __name__ == '__main__':
    manager.run()

app

from flask import Flask, render_template, session
from front import front_bp, login_required
import config
from exts import db

app = Flask(__name__)
app.config.from_object(config)
app.register_blueprint(front_bp)
db.init_app(app)


@app.route('/', endpoint='index')
@login_required
def hello_world():
    user_id = session.get('user_id')
    return render_template('front/index.html', user_id=user_id)


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

login_requierd---登录验证

# -*- coding = utf-8 -*-
# @Time : 2020/7/28 21:38
# @Author : 贾伟文
# @File : login_required.py
# @Software : PyCharm
from flask import session, redirect, url_for


def login_required(func):
    def wrapper(*args, **kwargs):
        user_id = session.get("user_id")
        if not user_id:
            return redirect(url_for('front.login'))
        return func(*args, **kwargs)
    return wrapper