| # app.py |
| |
| from flask import Flask |
| from flask_cors import CORS |
| from config import Config |
| from extensions import db, migrate |
| |
| def create_app(): |
| app = Flask(__name__) |
| app.config.from_object(Config) |
| |
| # 启用 CORS：允许前端 http://localhost:5173 发起跨域请求 |
| # 生产环境请根据实际域名调整 origins |
| CORS(app, resources={ |
| r"/posts/*": {"origins": "http://localhost:5173"}, |
| r"/posts": {"origins": "http://localhost:5173"} |
| }, supports_credentials=True) |
| |
| db.init_app(app) |
| migrate.init_app(app, db) |
| |
| # 在工厂函数里再导入并注册蓝图 |
| from routes.posts import posts_bp |
| from routes.comments import comments_bp |
| |
| app.register_blueprint(posts_bp, url_prefix='/posts') |
| app.register_blueprint(comments_bp, url_prefix='/posts/<int:post_id>/comments') |
| |
| return app |
| |
| # 只有直接用 python app.py 时，这段才会执行 |
| if __name__ == '__main__': |
| app = create_app() |
| app.run(host='0.0.0.0', port=5000, debug=True) |