文件压缩与解压缩

public class Test {

    public static void main(String[] args) throws IOException {
        //GZIP压缩与解压缩
        
/*        FileInputStream fis = new FileInputStream("E:\\1.txt");
        GZIPOutputStream gos = new GZIPOutputStream(new FileOutputStream("E:\\1.gz"));
        
        System.out.println("1.txt压缩成1.gz");
        int len;
        while ((len = fis.read()) != -1) {
            gos.write(len);
        }
        fis.close();
        gos.close();*/
        
        
        
        
/*        GZIPInputStream gis = new GZIPInputStream(new FileInputStream("E:\\1.gz"));
        FileOutputStream fos = new FileOutputStream("E:\\1.txt");
        
        System.out.println("1.gz解压缩成1.txt");
        int len;
        while ((len = gis.read()) !=-1) {
            fos.write(len);
        }
        gis.close();
        fos.close();*/
        
        
        
        
        
        //ZIP压缩与解压缩
        
/*        System.out.println("ZIP压缩");
        ZipOutputStream zos = new ZipOutputStream(new FileOutputStream("E:\\1.zip"));
        String a[] = {"E:/1.txt","E:/2.txt"};
        int len;
        for (int i = 0; i < a.length; i++) {
            System.out.println("压缩文件"+a[i]);
            FileInputStream fis = new FileInputStream(a[i]);
            zos.putNextEntry(new ZipEntry(a[i]));//写入一个ZipEntry入口
            
            while ((len = fis.read()) != -1) {
                zos.write(len);
            }
            fis.close();
        }
        zos.close();
        System.out.println("压缩完毕！");*/
        
        
        System.out.println("ZIP解压缩");
        ZipInputStream zis = new ZipInputStream(new FileInputStream("E:/1.zip"));
        ZipEntry entry;
        int c;
        while ((entry = zis.getNextEntry()) != null) {
            System.out.println("文件："+entry.getName());
            FileOutputStream fos = new FileOutputStream(entry.getName());
            
            while ((c = zis.read()) != -1) {
                fos.write(c);
            }
            fos.close();
        }
        zis.close();
        System.out.println("解压缩完毕！");
    }

}

 标个链接：https://www.cnblogs.com/stevenhqq/archive/2011/05/19/2050771.html