Before you share your location, you'll get to choose how long you want to share -- one hour, today only (ending at midnight), until you turn it off, or for a custom time period less than 24 hours. You can also stop sharing at any time.
圖像來源，Krupa Padhy
。91视频对此有专业解读
Author(s): Shin-Pon Ju, Dong-Yeh Wu, Chun-Wen Cheng, Hsing-Yin Chen
# 使用装饰器模式组合存储（同时写入DB和CSV）