java zip 文件_JAVA压缩ZIP文件

public static void main(String[] args) throws IOException

{

String path = "F:\\HTML\\PAY";

String zipFile = "F:\\HTML\\PAY\\zip_"+System.currentTimeMillis()+".zip";

File dictionary = new File(path);

File[] listFiles = dictionary.listFiles();

ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));

zip(path,listFiles,zipOut);

zipOut.flush();

zipOut.close();

System.out.println("Finished");

}

public static void zip(String root,File[] fileList, ZipOutputStream zipOut) throws IOException

{

ZipEntry ze = null;

for (File file : fileList)

{

if (file.isDirectory())

{

zip(root,file.listFiles(), zipOut);

}

else

{

// 创建ZipEntry ，设置需加入压缩包的对象名称,为压缩后的文件设置名称

String fileName = file.getParent().replace(root, "")+File.separator+file.getName();

if(fileName.startsWith(File.separator)){

fileName = fileName.substring(1);

}

System.out.println(fileName);

ze = new ZipEntry(fileName);

ze.setSize(file.length());

ze.setTime(file.lastModified());

// 每一个被压缩的文件都用ZipEntry表示

zipOut.putNextEntry(ze);

FileInputStream fileInputStream = new FileInputStream(file);

byte buffer[] = new byte[4096];

for (int n = 0; -1 != (n = fileInputStream.read(buffer));)

{

zipOut.write(buffer, 0, n);

}

fileInputStream.close();

}

}

}