ZipEntry 类是java.util.zip包下的一个类，
ZipEntry 类用于表示 ZIP 文件条目。
利用这个类压缩和解压zip文件
具体压缩的例子如下： 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;
/**
压缩程序@author young*/ public class SingleFileZip { public static void main(String[] args) { File file = new File(“e:/test.txt”); FileInputStream fis = null; ZipOutputStream zos = null; try { fis = new FileInputStream(file); zos = new ZipOutputStream(new FileOutputStream(“e:/my.zip”));
// 创建压缩文件中的条目 ZipEntry entry = new ZipEntry(file.getName()); // 将创建好的条目加入到压缩文件中 zos.putNextEntry(entry); // 写入当前条目所对应的具体内容 byte[] buff = new byte[1024]; int len = 0; while ((len = fis.read(buff)) != -1) { zos.write(buff, 0, len); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { fis.close(); zos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }}
解压例子如下：
import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipInputStream;
/**
解压程序@author young*/
public class SingleFileUnZip { public static void main(String[] args) {
FileOutputStream fos = null; ZipInputStream zis = null; InputStream is = null; try { ZipFile zf = new ZipFile("e:/my.zip"); zis = new ZipInputStream(new FileInputStream("e:/my.zip")); fos = new FileOutputStream("e:/unzip.txt"); // 从压缩文件中获取一个条目 ZipEntry entry = zis.getNextEntry(); // 获得该条目对象的数据流 is = zf.getInputStream(entry); byte[] buff = new byte[1024]; int len = 0; while ((len = is.read(buff)) != -1) { fos.write(buff, 0, len); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { is.close(); zis.close(); fos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }}
