java zip解压

/**
 * 解压文件到指定目录
 * @param zipFile
 * @param descDir
 * @author sqdll
 */
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile,String descDir)throws IOException {
    File pathFile = new File(descDir);
    if (!pathFile.exists()) {
        pathFile.mkdirs();
    }
    //相关变量
    ZipEntry entry = null;
    InputStream in = null;
    OutputStream out = null;
    String outPath = null;
    File file = null;
    ZipFile zip = new ZipFile(zipFile, Charset.forName("GBK")); //待解压文件
    for (Enumeration entries = zip.entries(); entries.hasMoreElements(); ) {
        entry = (ZipEntry) entries.nextElement();
        in = zip.getInputStream(entry);
        outPath = (descDir + entry.getName()).replaceAll("\*", "/");
        //判断路径是否存在,不存在则创建文件路径
        file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
        if (!file.exists()) {
            file.mkdirs();
        }
        //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
        if (new File(outPath).isDirectory()) {
            continue;
        }
        //输出文件路径信息
        System.out.println(outPath);
        out = new FileOutputStream(outPath);
        byte[] buf1 = new byte[1024];
        int len;
        while ((len = in.read(buf1)) > 0) {
            out.write(buf1, 0, len);
        }
        in.close();
        out.close();
    }
    System.out.println("******************解压完毕********************");
}