安装插件: pip install flask-uploads 创建上传文件对象: from flask_uploads import UploadSet #在这里限制允许上传类型 from flask_uploads import TEXT,IMAGES uploads=UploadSet(“UPLOADS”,extensions=TEXT+IMAGES) 导出 from .ext_uploads import uploads 加载三方对象 在app.py from exts import uploads from flask_uploads import configure_uploa