FLASK Upload § Download

from werkzeug.utils import secure_filename

APP_CONFIG_UPLOAD_PATH = "UPLOAD_PATH"
# app.config可以用来保存一些常量
app.config[APP_CONFIG_UPLOAD_PATH] = os.path.join(app.root_path, "upload")
# 限制文件尺寸为16M
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024

Upload

@app.route("/upload", methods=["GET", "POST"])
def upload():
    if not os.path.exists(app.config[APP_CONFIG_UPLOAD_PATH]):
        os.makedirs(app.config[APP_CONFIG_UPLOAD_PATH])

    if flask.request.method == "POST":
        fd = flask.request.files["file"]
        # secure_filename(fd.filename): 获取文件名
        fd.save(os.path.join(app.config[APP_CONFIG_UPLOAD_PATH], secure_filename(fd.filename)))
        return ""

    return "success"

Download

@app.route("/download", methods=["GET"])
def download():
    if not os.path.exists(app.config[APP_CONFIG_UPLOAD_PATH]):
        os.makedirs(app.config["UPLOAD"])

    return flask.send_from_directory("upload", "AdobePhotoshop19-mul_x64.zip", as_attachment=True)