Java存取MS Office檔案格式函式庫Apache POI (Java library for Accessing MS Office format files)

Java存取MS Office檔案格式函式庫Apache POI
(Java library for Accessing MS Office format files)

最常被用來存取Excel XLS檔案，
此外還有提供對Word及power point及visio檔案格式有限的存取，
請見官方網站。
使用文件可在此取得。(建議閱讀)

Normally used for accessing Excel XLS files,
and have the limited ability to access Word,power point and visio files，
see Official Site here
and documents here