java压缩文件

/**
	 * 压缩文件
	 * 
	 * @method zip_file
	 * @param file_path	需压缩的文件路径
	 */
	private void zip_file(String file_path){
		File file = new File(file_path);
		FileInputStream fileInputStream = null;
		BufferedInputStream bufferedInputStream = null;
		ZipOutputStream zipOutputStream = null;
		try {
			fileInputStream = new FileInputStream(file);
			bufferedInputStream = new BufferedInputStream(fileInputStream);
			byte[] buf = new byte[1024];
			int len;
			FileOutputStream fileOutputStream = new FileOutputStream(GlobalVar.serverConfig.getProperty("vasserver.adcftp.srcdir")+file.getName()+".ZIP");
			BufferedOutputStream bos = new BufferedOutputStream(fileOutputStream);
			zipOutputStream = new ZipOutputStream(bos);//压缩包
			ZipEntry zipEntry = new ZipEntry(file.getName());//压缩包里的文件名称
			zipOutputStream.putNextEntry(zipEntry);//写入新的 ZIP 文件条目并将流定位到条目数据的开始处
			while(-1 != (len=bufferedInputStream.read(buf))){
				zipOutputStream.write(buf, 0, len);
				zipOutputStream.flush();
			}
			
		} catch (FileNotFoundException e) {
			log.error("未找到需压缩的文件！-->" + e.getMessage());
			e.printStackTrace();
			System.out.println("未找到需压缩的文件！-->" + e.getMessage());
		} catch (IOException e) {
			log.error("文件压缩异常！-->" + e.getMessage());
			e.printStackTrace();
			System.out.println("文件压缩异常！-->" + e.getMessage());
		} finally {
			try {
				if(null != zipOutputStream)
					zipOutputStream.close();
				if(null != bufferedInputStream)
					bufferedInputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			
		}
	}

引自：http://www.blogjava.net/mrcmd/archive/2007/08/24/138963.html

参阅（Java中解压缩文件 ZIP）：http://cuisuqiang.iteye.com/blog/1757334