import tkinter as tk
import sqlite3
from tkinter import messagebox
from datetime import datetime
# 创建数据库连接
conn = sqlite3.connect('notes.db')
cursor = conn.cursor()
# 创建notes表格
cursor.execute('''
CREATE TABLE IF NOT EXISTS notes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
content TEXT NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
''')
conn.commit()
def save_note():
content = text.get("1.0", tk.END)
if content.str...