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from datetime import datetime
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from flask import request, jsonify
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from flask import *
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from flask_sqlalchemy import SQLAlchemy
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import pymysql
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app = Flask(__name__)
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app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:LH20021212@localhost:3306/智能家居系统'
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db = SQLAlchemy(app)
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try:
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with app.app_context():
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# 尝试连接数据库
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db.create_all()
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print("数据库连接成功！")
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except Exception as e:
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print(f"数据库连接失败: {str(e)}")
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class JiaJu(db.Model):
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_tablename_ = 'JiaJu' # 这里应该是__tablename__
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(100), nullable=False)
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color = db.Column(db.String(50))
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brand = db.Column(db.String(50))
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price = db.Column(db.Float, nullable=False)
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production_date = db.Column(db.Date, nullable=False)
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#增
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@app.route('/add_jiaju', methods=['POST'])
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def add_jiaju():
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data = request.get_json() # 假设前端发送的是JSON数据
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new_jiaju = JiaJu(
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name=data['name'],
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color=data.get('color'), # 如果color可选，则使用get
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brand=data.get('brand'),
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price=data['price'],
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production_date=datetime.strptime(data['production_date'], '%Y-%m-%d') # 假定日期格式为YYYY-MM-DD
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)
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db.session.add(new_jiaju)
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db.session.commit()
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return jsonify({"message": "家居添加成功"}), 201
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#查
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@app.route('/jiaju', methods=['GET'])
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def get_all_jiaju():
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jiaju_list = JiaJu.query.all()
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result = [{"id": item.id, "name": item.name, "color": item.color, "brand": item.brand,
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"price": item.price, "production_date": item.production_date.strftime('%Y-%m-%d')} for item in jiaju_list]
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return jsonify(result)
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#获取
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@app.route('/jiaju/<int:jiaju_id>', methods=['GET'])
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def get_jiaju(jiaju_id):
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jiaju = JiaJu.query.get_or_404(jiaju_id)
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return jsonify({
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"id": jiaju.id,
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"name": jiaju.name,
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"color": jiaju.color,
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"brand": jiaju.brand,
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"price": jiaju.price,
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"production_date": jiaju.production_date.strftime('%Y-%m-%d')
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})
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#更
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@app.route('/jiaju/<int:jiaju_id>', methods=['PUT'])
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def update_jiaju(jiaju_id):
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jiaju = JiaJu.query.get_or_404(jiaju_id)
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data = request.get_json()
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if 'name' in data:
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jiaju.name = data['name']
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if 'color' in data:
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jiaju.color = data['color']
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if 'brand' in data:
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jiaju.brand = data['brand']
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if 'price' in data:
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jiaju.price = data['price']
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if 'production_date' in data:
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jiaju.production_date = datetime.strptime(data['production_date'], '%Y-%m-%d')
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db.session.commit()
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return jsonify({"message": "家居信息更新成功"})
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#删
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@app.route('/jiaju/<int:jiaju_id>', methods=['DELETE'])
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def delete_jiaju(jiaju_id):
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jiaju = JiaJu.query.get_or_404(jiaju_id)
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db.session.delete(jiaju)
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db.session.commit()
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return jsonify({"message": "家居删除成功"})
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