from flask import Blueprint, jsonify, current_app

main_bp = Blueprint('main', __name__)

@main_bp.route('/')
def index():
    return jsonify({"message": "Hello, Flask!"})

@main_bp.route('/show-config')
def show_config():
    # 通过 current_app.config['KEY'] 或 get 方法访问配置项
    return jsonify({
        "DEBUG": current_app.config.get('DEBUG'),
        "SECRET_KEY": current_app.config.get('SECRET_KEY')
    })