import mysql.connector from database import Database # 引入 Database 类 from flask import Flask, render_template, request, redirect, url_for, flash, session, jsonify import pymysql from pymysql import Error import json from datetime import datetime app = Flask(__name__) app.secret_key = 'your_secret_key' # 用于闪现消息 # 定义饮食偏好和口味的映射关系 DIET_PREFERENCE_MAPPING = { 1: "低脂", 2: "高蛋白", 3: "素食", 4: "无糖", 5: "低盐", 6: "高纤维" } TASTE_PREFERENCE_MAPPING = { 1: "甜", 2: "咸", 3