J-Excel

Universal Excel import and export tools.
Support is derived from the List<Map>.
Support from the List<POJO> import and export.
Support from inside the List<POJO and List<POJO> inside> import and export.
To support the export of similar curriculum structure type cross table.
Support for Internationalization.
Don't write a configuration file.
Use the adapter pattern, data import and export support arbitrary types, users can also write your own adapter custom data types!
Example please refer to: test package.