python - 学习flask web 开发 第四章validate_on_submit遇到错误,没有属性
问题描述
app.py代码如下:
from flask import Flask, render_templatefrom flask_bootstrap import Bootstrapfrom flask_wtf import Formfrom wtforms import StringField, SubmitField,validatorsfrom wtforms.validators import DataRequired
form表单代码
@app.route(’/’)def hello_world(): name = None form = NameForm() if form.validata_on_submit():name = form.name.dataform.name.data = ’’ return render_template('index.html',form=form,name=name) class类 class NameForm(Form): name = StringField(’What is your name?’, validators=[DataRequired()]) submit = SubmitField(’Submit’) bugbuiltins.AttributeErrorAttributeError: ’NameForm’ object has no attribute ’validata_on_submit’我在网上试过其他的方法没用,我也不清楚哪里有问题。希望大家能帮帮我!!!
问题解答
回答1:是 validate 好吗!为什么不看错误提示?