zip压缩与解压，包括对文件的压缩与解压，对文字的压缩与解压-zip compression and decompression, including document compression and decompression of text compression and decompression

为J2ME环境下提供了ZIP格式的解压缩方法。 简单易用，效率比较高-For the J2ME environment, the solution provides a ZIP format compression. Easy to use, more efficient