Flask wtforms不允许图像上传

from flask_wtf import FlaskForm
from wtforms import FileField, SubmitField

class MyForm(FlaskForm):
    image = FileField('Upload Image')
    submit = SubmitField('Submit')

from flask import Flask, render_template, request
from flask_wtf import FlaskForm
from wtforms import FileField, SubmitField

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

class MyForm(FlaskForm):
    image = FileField('Upload Image')
    submit = SubmitField('Submit')

@app.route('/', methods=['GET', 'POST'])
def upload_image():
    form = MyForm()
    if form.validate_on_submit():
        image = form.image.data
        # 处理图像上传逻辑
        # 可以使用腾讯云对象存储（COS）来存储图像文件
        # 腾讯云COS产品介绍：https://cloud.tencent.com/product/cos

        return 'Image uploaded successfully!'
    return render_template('upload.html', form=form)

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