from flask import Flask, render_template
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired, Email

app = Flask(__name__)
app.secret_key = 'your-secret-key'  # 开发用，生产请用环境变量

class MyForm(FlaskForm):
    name = StringField('Name', validators=[DataRequired()])
    email = StringField('Email', validators=[DataRequired(), Email()])  # ✅ 用 StringField + Email()
    submit = SubmitField('Submit')

@app.route('/', methods=['GET', 'POST'])
def form():
    form = MyForm()
    if form.validate_on_submit():
        name = form.name.data
        email = form.email.data
        return f'Name: {name}, Email: {email}'
    return render_template('wtf_form.html', form=form)

if __name__ == '__main__':
    app.run(debug=True)