ZIP文件压缩Demo

package com.mypack;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZIPDemo {
	public static void main(String[] args) {
		ZipOutputStream zos = null;
		try {
			// 创建一个ZIP文件
			File zipFile = File.createTempFile("liudong", ".zip");
			zos = new ZipOutputStream(new FileOutputStream(zipFile));
			// 设置ZIPcomment内容
			zos.setComment("liudong");

			File file1 = new File("c:/a.txt");
			// 添加file1到ZIP中
			zos.putNextEntry(new ZipEntry(file1.getName()));
			// 写入实际的文件内容
			addFile2ZIP(file1, zos);

			File file2 = new File("c:/b.txt");
			// 添加file1到ZIP中
			zos.putNextEntry(new ZipEntry(file2.getName()));
			// 写入实际的文件内容
			addFile2ZIP(file2, zos);

			// 关闭ZIP文件流
			zos.close();
			System.out.println("压缩成功...");
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (null != zos) {
				try {
					zos.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}

	public static void addFile2ZIP(File file, ZipOutputStream zos)
			throws IOException {

		FileInputStream fis = new FileInputStream(file);
		int length = 0;
		while ((length = fis.read()) != -1) {
			zos.write(length);
		}

		fis.close();

	}
}