(We don't make wheels. We're just wheeled porters. (in fact, it's better to build wheels than others.) In the development, we often encounter excel processing, import and export analysis and so on. The popular POI in Java is used, but every time you have to write a large number of tool classes to complete this operation, I recommend wheels made by others. Easypoi encapsulates the POI technology of Apache and realizes the basic import and export of Excel. You don't have to worry about excel anymore~)