@app.route('/api/upload/', methods=['POST'])
def upload():
    # 获取文件
    uploaded_file = request.files['file']
    # 文件后缀（文件全名-> request.files['file'].filename）
    file_extension = uploaded_file.filename.split('.')[-1]
    # MIME 类型
    mimetype = uploaded_file.mimetype
    # 保存到 当前文件夹+'files/'
    save_target = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'files/', uploaded_file.filename)
    # 创建/files
    if not os.path.isdir(os.path.dirname(os.path.abspath(__file__)), 'files/'):
        os.mkdir(os.path.dirname(os.path.abspath(__file__)), 'files/')
    # 保存
    uploaded_file.save(save_target)
    # return看自己需求填写
    return jsonify(
        code=200
    )

qwq~