JAVA 解与压缩

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

public class ZipMain
{
	public static void main(String[] args)
	{
		try
		{
			// 先是解压
			File file = new File("e:/Archive.zip");
			int leng = 0;
			byte[] b = new byte[1024];
			// 创建一个压缩包的对象
			ZipFile zipFile = new ZipFile(file);
			// 解压后所放的目录
			String direc = "d:/";
			// 解压的输入流
			ZipInputStream zis = new ZipInputStream(new FileInputStream(file));
			for (Enumeration enume = zipFile.entries(); enume.hasMoreElements();)
			{
				// 拿到压缩包里面的一个文件对象
				ZipEntry entry = (ZipEntry) enume.nextElement();
				File temFile = new File(direc + entry.getName());
				// 把解压包中的文件拷贝到目标目录
				FileOutputStream fos = new FileOutputStream(temFile);
				while ((leng = zis.read(b)) != -1)
				{
					fos.write(b, 0, leng);
				}
				fos.close();
			}
			zis.close();
			System.out.println(zipFile.getName());

			// 压缩
			ZipOutputStream zos = new ZipOutputStream(
					new FileOutputStream(file));
			// 被压缩的文件
			FileInputStream fis = new FileInputStream("e:/1.txt");
			// 在压缩包中的路径
			ZipEntry z1 = new ZipEntry("1.txt");
			zos.putNextEntry(z1);

			while ((leng = fis.read(b)) != -1)
			{
				zos.write(b, 0, leng);
			}

			zos.close();
			fis.close();
		} catch (ZipException e)
		{
			e.printStackTrace();
		} catch (IOException e)
		{
			e.printStackTrace();
		}
	}
}