用 Flask 的 WTForms 扩展处理 Web 表单验证

[python]代码库

from flask import Flask, render_template, request
from wtforms import Form, StringField, validators

app = Flask(__name__)

class ContactForm(Form):
    name = StringField("Name", [validators.DataRequired()])
    email = StringField("Email", [validators.DataRequired(), validators.Email()])
    message = StringField("Message", [validators.DataRequired()])

@app.route("/contact", methods=["GET", "POST"])
def contact():
    form = ContactForm(request.form)
    if request.method == "POST" and form.validate():
        # process the form data
        return "Thank you for your message, " + form.name.data + "!"
    return render_template("contact.html", form=form)

if __name__ == "__main__":
    app.run()