java压缩、解压缩文件

package net.hkh.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;

public class ZipUtils {
	public static void zipFiles(File[] srcFiles, File zipFile) {
		byte[] buf = new byte[1024];
		try {
			ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(
					zipFile));
			for (int i = 0; i < srcFiles.length; i++) {
				if (srcFiles[i].isFile()) {
					FileInputStream fis = new FileInputStream(srcFiles[i]);
					zos.putNextEntry(new ZipEntry(srcFiles[i].getName()));
					int len;
					while ((len = fis.read()) != -1) {
						zos.write(buf, 0, len);
					}
					zos.closeEntry();
					fis.close();
				}
			}
			zos.close();
			System.out.println("压缩完成");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	@SuppressWarnings("unchecked")
	public static void unzipFile(File zipFile, String descDir) {
		File file = new File(descDir);
		if (!file.exists()) {
			try {
				file.mkdir();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		try {
			ZipFile zf = new ZipFile(zipFile);
			for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
				ZipEntry entry = (ZipEntry) entries.nextElement();
				String zipEntryName = entry.getName();
				InputStream is = zf.getInputStream(entry);
				OutputStream os = new FileOutputStream(descDir + zipEntryName);
				byte[] buf = new byte[1024];
				int len;
				while ((len = is.read()) != -1) {
					os.write(buf, 0, len);
				}
				is.close();
				os.close();
				System.out.println("解压缩完成");
			}
			zf.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}