flaskform为字符串字段中的值插入数据

from flask import Flask, render_template
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField

app = Flask(__name__)
app.config['SECRET_KEY'] = 'your_secret_key'

class MyForm(FlaskForm):
    my_string = StringField('My String')
    submit = SubmitField('Submit')

@app.route('/', methods=['GET', 'POST'])
def index():
    form = MyForm()
    if form.validate_on_submit():
        my_string_value = form.my_string.data
        # 在这里将my_string_value插入到字符串字段中
        return f'插入成功！插入的值为：{my_string_value}'
    return render_template('index.html', form=form)

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