反应元素作为downloadHandler中的文件名

from flask import Flask, send_file

app = Flask(__name__)

@app.route('/download')
def download_file():
    file_path = 'path/to/your/file.txt'
    return send_file(file_path, as_attachment=True, attachment_filename='文件名.txt', mimetype='text/plain')

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

import re

def sanitize_filename(filename):
    return re.sub(r'[^\w\.-]', '_', filename)

@app.route('/download')
def download_file():
    file_path = 'path/to/your/file.txt'
    original_filename = '文件名.txt'
    sanitized_filename = sanitize_filename(original_filename)
    return send_file(file_path, as_attachment=True, attachment_filename=sanitized_filename, mimetype='text/plain')