- Python (Flask) 后端示例1i8.cn
python
from flask import Flask, request, jsonify
from flask_sqlalchemy import SQLAlchemy
app = Flask(name)
app.config[‘SQLALCHEMY_DATABASE_URI’] = ‘sqlite:tmp/test.db’
db = SQLAlchemy(app)
class Product(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80), nullable=False)
price = db.Column(db.Float, nullable=False)
@app.route(‘/products’, methods=[‘GET’])
def get_products():
products = Product.query.all()
return jsonify([{‘id’: p.id, ‘name’: p.name, ‘price’: p.price} for p in products])
… 其他路由,如添加、删除、更新产品等
if name == ‘main’:
db.create_all() # 创建所有数据库表
app