最簡單的方法是創建一個自定義表單,在其中可以將類名作為字符串關鍵字kwargs傳遞,然后將此表單用作所有需要支持所述字符串的表單的基類。例如: class CustomForm(Form): def __init__(self, formdata=None, obj=None, prefix="", data=None, meta=None, **kwargs): self.form_class = kwargs.pop('form_class', None) super(CustomForm, self).__init__(formdata, obj, prefix, data, meta, **kwargs) 使用中的示例: from flask import Flask, render_template_stringfrom wtforms import Form, StringFieldapp = Flask(__name__)class CustomForm(Form): def __init__(self, formdata=None, obj=None, prefix="", data=None, meta=None, **kwargs): self.form_class = kwargs.pop('form_class', None) super(CustomFor