Flask-WTF是简化了WTForms操作的一个第三方库。WTForms表单的两个主要功能是验证用户提交数据的合法性以及渲染模板。还有其它一些功能:CSRF保护,
文件上传等。...安装方法:pip install flask-wtf
1.1.WTForms简单验证
from flask import Flask,request,render_template
from wtforms...import Form,StringField
from wtforms.validators import Length,EqualTo
app = Flask(__name__)
class...import Form,StringField,IntegerField
from wtforms.validators import Length,EqualTo,Email,InputRequired...,NumberRange
from wtforms.validators import Regexp,URL,ValidationError
class LoginForm(Form):
email