Java parsing, generating more famous Excel framework Apache poi, jxl. But they are there is a very serious problem is the memory consumption, poi set SAX API model can solve some memory overflow problem to some extent, but there are some flaws POI, such as version 07 Excel decompression, and after decompression are stored is done in memory, memory consumption is still great. easyexcel rewrote the parsing of poi 07 Excel version can be had with a 3M's excel POI sax still need about 100M memory to reduce the level of KB, and then a big excel will not be out of memory, 03 POI's sax version-dependent mode. In the upper made a model conversion package, allowing users to more simple and convenient.
Address:
https://github.com/alibaba/easyexcel