python 復制代碼運行

# 使用Python的Flask框架搭建一個簡單的自行車租賃系統(tǒng)from flask import Flask, request, jsonifyfrom flask_s import S = Flask(__name__)app.config['SE_URI'] ='sqlite:https:///bicycle_rental.db' db = S(app)class User(db.Model): id =db.Column(db.Integer, primary_key=True) username =db.Column(db.String(80), unique=True,nullable=False) password =db.Column(db.String(120), nullable=False)class Bicycle(db.Model): id= db.Column(db.Integer, primary_key=True) status =db.Column(db.String(10), nullable=False)@app.route('/register',methods=['POST']) defregister(): username =re['username'] password =re['password'] user =User(username=username, password=password) db.session.add(user)db.session.commit() returnjsonify({"message": "注冊成功"})@app.route('/login',methods=['POST']) deflogin(): username =re['username'] password =re['password'] user =User.(username=username, password=password).first()if user: returnjsonify({"message": "登錄成功"})else: returnjsonify({"message": "用戶名或密碼錯誤"})if __name__ == '__main__':app.run(debug=True)