企业身份管理双11促销活动

from flask import Flask, request, redirect, url_for
from flask_login import LoginManager, UserMixin, login_user, login_required, current_user

app = Flask(__name__)
app.secret_key = 'your_secret_key'

login_manager = LoginManager()
login_manager.init_app(app)

class User(UserMixin):
    def __init__(self, id):
        self.id = id

@login_manager.user_loader
def load_user(user_id):
    return User(user_id)

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        user_id = request.form['user_id']
        user = User(user_id)
        login_user(user)
        return redirect(url_for('protected'))
    return '''
        <form method="post">
            <p><input type=text name=user_id>
            <p><input type=submit value=Login>
        </form>
    '''

@app.route('/protected')
@login_required
def protected():
    return f'Hello, {current_user.id}! This is a protected page.'

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