import java.io.File;
import org.apache.tools.zip.ZipOutputStream; //这个包在ant.jar里，要到官方网下载
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipEntry;public class CompressBook {/**//*
* inputFileName 输入一个文件夹
* zipFileName 输出一个压缩文件夹
*/
public void zip(String inputFileName) throws Exception {String zipFileName = "C:\\temp\\"; //打包后文件名字if(com.turbocms.tools.Config.Debug.equals("true"))System.out.println(zipFileName);zip(zipFileName, new File(inputFileName));
}
public void zipOfName(String inputFileName,String zipFileName) throws Exception {zip(zipFileName, new File(inputFileName));
}private void zip(String zipFileName, File inputFile) throws Exception {ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));zip(out, inputFile, "");if(com.turbocms.tools.Config.Debug.equals("true"))System.out.println("zip done");out.close();
}private void zip(ZipOutputStream out, File f, String base) throws Exception {if (f.isDirectory()) {File[] fl = f.listFiles();out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + "/"));base = base.length() == 0 ? "" : base + "/";for (int i = 0; i < fl.length; i++) {zip(out, fl[i], base + fl[i].getName());}}else {out.putNextEntry(new org.apache.tools.zip.ZipEntry(base));FileInputStream in = new FileInputStream(f);int b;if(com.turbocms.tools.Config.Debug.equals("true"))System.out.println(base);while ( (b = in.read()) != -1) {out.write(b);}in.close();}
}public static void main(String [] temp){CompressBook book = new CompressBook();try {// book.zip("E:\\temp\\pes\\temp\\115411B78AF6F2CDD513393FB8F0A8C6");//你要压缩的文件夹}catch (Exception ex) {ex.printStackTrace();}
}
}

import java.io.*;
import java.util.zip.*;//ZipOutputStream这个流在这里
import java.util.*;public class ZipOutputStreamTest
{public static void main(String[] args) throws Exception{File f = new File("a.jpg");FileInputStream fis = new FileInputStream(f);BufferedInputStream bis = new BufferedInputStream(fis);byte[] buf = new byte[1024];int len;FileOutputStream fos = new FileOutputStream(f.getName()+".zip");BufferedOutputStream bos = new BufferedOutputStream(fos);ZipOutputStream zos = new ZipOutputStream(bos);//压缩包ZipEntry ze = new ZipEntry(f.getName());//这是压缩包名里的文件名zos.putNextEntry(ze);//写入新的 ZIP 文件条目并将流定位到条目数据的开始处while((len=bis.read(buf))!=-1){zos.write(buf,0,len);zos.flush();}bis.close();zos.close(); }
}