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                為 `app/api_1_0/controller` 下的 `user.py` 控制器做修改操作 1. 查詢對象 2. 修改數據 3. 提交會話 ``` from?app.api_1_0?import?bp from?app.api_1_0.model.user?import?UserModel from?app?import?db from?flask?import?jsonify @bp.route('/user',?methods=['POST']) def add_user(): pass @bp.route('/user',?methods=['GET']) def list_user(): pass @bp.route('/user',?methods=['PUT']) def update_user(): try: ????????UserModel.query.filter_by(id=2).update({"username":"小可愛"}) ????????db.session.commit() except Exception as?e: ????????db.session.rollback() return '更新失敗' return '更新成功' ``` 測試 ![通過模型更新](https://img.kancloud.cn/4c/68/4c68f77615d786c484827b7fd4d45c5d_583x37.png) 也可以通過先查出對象再提交的方式更新 ``` @bp.route('/user',?methods=['PUT']) def update_user(): try: ????????user_obj=?UserModel.query.get(3) ????????user_obj.username?=?'airvip' ????????user_obj.mobile?=?'13808765012' ????????db.session.commit() except Exception as?e: ????????db.session.rollback() return '更新失敗' return '更新成功' ```
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