使用java zip 压缩文件目录

ybu2008

@Test
public void testPackageContent()
{
    try
    {
        FileOutputStream f = new FileOutputStream(BASE_PATH + "/../" +packageName + ".zip");
        CheckedOutputStream csum = new CheckedOutputStream(f, new Adler32());//Adler32 is faster than CRC32
        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(csum));
        out.setComment("some comments");
        File srcDir = new File(BASE_PATH);
        zipFile(out, srcDir, "packageName");
        out.close();
    }
    catch (IOException e)
    {
        e.printStackTrace();
    }
}
/**
* zip the given file
* @param out - ZipOutputStream
* @param srcDir - if it is a file then add this file into zip, if it is dir, then call zipFile cascade
* @param filePath - the filepath in zipfile
* @throws IOException
*/
private void zipFile(ZipOutputStream out, File srcDir, String filePath) throws IOException
{
    for(File file : srcDir.listFiles())
    {
        if(file.isDirectory())
        {
            zipFile(out, file, filePath+"/"+file.getName());
            continue;
        }
        Logger.global.info("Writing file : "+file.getName());
        FileInputStream in = new FileInputStream(file);
        out.putNextEntry(new ZipEntry(filePath+"/"+file.getName()));
        byte[] b = new byte[1024];
        int off = 0;
        while((in.read(b,off,1024)) != -1)
        {
            out.write(b);
        }
        in.close();
    }
}
(上述出自：
http://datum.studyget.com/nj/200807/20080717_64714.shtml
)


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