Java 压缩文件和解压文件

在开发中遇到文件的压缩和解压的可以参考
代码如下:

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;


public class ZipUtilApache {

	/** The Constant BUFFER. */
	static final int BUFFER = 1024;

	/**
	 * Zip.
	 *
	 * @param destDirPath
	 *            the dest dir path
	 * @param inputPath
	 *            the input path
	 * @throws Exception
	 *             the exception
	 */
	public static File zip(String destDirPath, String inputPath)
			throws Exception {
		File inputFile = new File(inputPath);
		// 创建压缩文件
		File destDir = new File(destDirPath);
		if (!destDir.exists()) {
			destDir.mkdir();
		}
		File destFile = new File(destDir + File.separator + inputFile.getName()
				+ ".zip");
		// 递归压缩方法
		ZipOutputStream out = new ZipOutputStream(
				new FileOutputStream(destFile));
		// 设置压缩编码.设置为GBK后在windows下就不会乱码了，如果要放到Linux或者Unix下就不要设置了
		out.setEncoding("GBK");
		zip(out, inputFile, "");
		System.out.println("zip done");
		out.close();
		return destFile;
	}

	/**
	 * Zip.
	 *
	 * @param out
	 *            the out
	 * @param f
	 *            the f
	 * @param base
	 *            the base
	 * @throws Exception
	 *             the exception
	 */
	private static void zip(ZipOutputStream out, File f, String base)
			throws Exception {
		System.out.println("Zipping   " + f.getName()); // 记录日志，开始压缩
		if (f.isDirectory()) { // 如果是文件夹，则获取下面的所有文件
			File[] fl = f.listFiles();
			if (base.length() > 0) {

				out.putNextEntry(new ZipEntry(base + "/"));// 此处要将文件写到文件夹中只用在文件名前加"/"再加文件夹名
			}

			base = base.length() == 0 ? "" : base + "/";
			for (int i = 0; i < fl.length; i++) {
				zip(out, fl[i], base + fl[i].getName());
			}
		} else { // 如果是文件，则压缩
			out.putNextEntry(new ZipEntry(base)); // 生成下一个压缩节点
			FileInputStream in = new FileInputStream(f); // 读取文件内容
			int len;
			byte[] buf = new byte[BUFFER];
			while ((len = in.read(buf, 0, BUFFER)) != -1) {
				out.write(buf, 0, len); // 写入到压缩包
			}
			in.close();
			out.closeEntry();
		}
	}

	/**
	 * 解压缩zip文件.
	 *
	 * @param fileName
	 *            要解压的文件名 包含路径 如："c:\\test.zip"
	 * @param destFilePath
	 *            the dest file path
	 * @throws Exception
	 *             the exception
	 */
	public static void unZip(String fileName, String destFilePath)
			throws Exception {
		ZipFile zipFile = new ZipFile(fileName, "GBK"); // 以“GBK”编码创建zip文件，用来处理winRAR压缩的文件。
		Enumeration emu = zipFile.getEntries();
		while (emu.hasMoreElements()) {
			ZipEntry entry = (ZipEntry) emu.nextElement();
			if (entry.isDirectory()) {
				File dir = new File(destFilePath + entry.getName());
				if (!dir.exists()) {
					dir.mkdirs();
				}
				continue;
			}
			BufferedInputStream bis = new BufferedInputStream(
					zipFile.getInputStream(entry));
			if (!destFilePath.endsWith("/"))
				destFilePath = destFilePath + "/";
			File file = new File(destFilePath + entry.getName());
			File parent = file.getParentFile();
			if (parent != null && (!parent.exists())) {
				parent.mkdirs();
			}
			FileOutputStream fos = new FileOutputStream(file);
			BufferedOutputStream bos = new BufferedOutputStream(fos, BUFFER);
			byte[] buf = new byte[BUFFER];
			int len = 0;
			while ((len = bis.read(buf, 0, BUFFER)) != -1) {
				fos.write(buf, 0, len);
			}
			bos.flush();
			bos.close();
			bis.close();
			System.out.println("解压文件：" + file.getName());
		}
		zipFile.close();
	}
}

若哪里不足,请大家多多指教!!!