flask_wtf 表单

forms.py

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from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField, SubmitField
from wtforms.validators import length, email, DataRequired

class LoginForm(FlaskForm):
    username = StringField('Username', validators=[DataRequired()])
    password = PasswordField('Password', validators=[DataRequired(), length(min=6, max=20)])
    remember = BooleanField('Remember me')
    submit = SubmitField('Log in')

视图函数

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@app.route("/test", methods=["GET", "POST"])
def test():
    form = LoginForm()
    if request.method == "POST":
        print(form.data)
        return "success"
    else:
        content = {
            "form": form
        }
        return render_template("test.html", **content)

html

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form method="post" action="/test">
    {{ form.csrf_token }}
    {{ form.username.label }}<br/>{{ form.username }}<br/>
    {{ form.password.label }}<br/>{{ form.password }}<br/>
    {{ form.remember }}{{ form.remember.label }}<br/>
    {{ form.submit }}<br/>
</form>
</body>
</html>