def index():
# 获取所有记录
messages = Message.query.order_by(Message.timestamp.desc()).all()
form = GuestbookForm()
if form.validate_on_submit():
name = form.name.data
content = form.content.data
# 实例化Message并创建记录
message = Message(content=content, name=name)
db.session.add(message)
db.session.commit()
flash('留言已提交！')
return redirect(url_for('index'))
return render_template('index.html', form=form, messages=messages)
