怎样压缩文件为.zip ，怎样解压？

[TYUpya]

怎样压缩文件为.zip ，怎样解压？

[小飞侠]

package com.jrx.srvapi.web.FileDownLoad.utils;

import java.io.*;
import java.util.zip.GZIPOutputStream;

/**

• @aothor tianwenkai

• @DaTa 2018/04/26

• DESC:文件压缩工具类
  */
  public class ZIPUtil {

  public static final int BUFFER = 1024;
  public static final String EXT = ".zip";

  /**

  • 文件压缩

  • @param file

  • @param delete 是否删除原始文件

  • @throws Exception
    */
    public static byte[] compress(File file, boolean delete) throws Exception {

    FileInputStream fis = new FileInputStream(file);
    BufferedInputStream inBuffer = new BufferedInputStream(fis);

    FileOutputStream fos = new FileOutputStream(file.getPath() + EXT);
    BufferedOutputStream outBuffer = new BufferedOutputStream(fos);

    byte[] data = compress(inBuffer, outBuffer);
    fis.close();
    fos.flush();
    fos.close();
    if (delete) {
    file.delete();
    }
    return data;
    }

  /**

  • 文件压缩
  • @param file
  • @throws Exception
    */
    public static void compress(File file) throws Exception {
    compress(file, false);
    }

  /**

  • 数据压缩
  • @param is
  • @param os
  • @throws Exception
    */
    public static byte[] compress(InputStream is, OutputStream os)
    throws Exception {
    GZIPOutputStream gos = new GZIPOutputStream(os);
    int count;
    byte data[] = new byte[BUFFER];
    while ((count = is.read(data, 0, BUFFER)) != -1) {
    gos.write(data, 0, count);
    }
    gos.finish();
    gos.flush();
    gos.close();
    return data;
    }

}

[小飞侠]

只要有jar包就可以了 都是工具类 还可以优化的 希望多多提出宝贵的意见