一、背景 在实际生产环境中我们通常往往需要进行数据迁移或者数据备份，接下来我将模拟生产环境进行数据迁移
the situation is like this: im creating a Logger class that can write to a file but the write_to_file() function is in a helper class as a static function.
加载中,请稍侯......