使用ant提供的zip进行压缩和解压缩，支持中文

最新推荐文章于 2018-09-08 21:51:01 发布

原创最新推荐文章于 2018-09-08 21:51:01 发布 · 202 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#java #操作系统

本文介绍了一个基于Apache工具集实现的文件压缩与解压缩工具类。该工具类支持递归压缩目录下的所有文件，并能正确处理中文文件名，避免乱码问题。此外，还提供了解压缩功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

/**

 * 

 */

package com.yfei.uti.zip;
 
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;
 
/**

 * @author yangfei

 * @since 2013-1-27

 */

public class ZipUtilApache {
 
    static final int BUFFER = 1024;
 
    public static void 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();

    }
 
    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 filePath

     *            解压后存放文件的路径 如："c:\\temp"

     * @throws 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));
 
            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();

    }
}