1 public class Test { 2  3     public static void main(String[] args) throws IOException { 4         //GZIP压缩与解压缩 5          6 /*        FileInputStream fis = new FileInputStream("E:\\1.txt"); 7         GZIPOutputStream gos = new GZIPOutputStream(new FileOutputStream("E:\\1.gz")); 8          9         System.out.println("1.txt压缩成1.gz");10         int len;11         while ((len = fis.read()) != -1) {12             gos.write(len);13         }14         fis.close();15         gos.close();*/16         17         18         19         20 /*        GZIPInputStream gis = new GZIPInputStream(new FileInputStream("E:\\1.gz"));21         FileOutputStream fos = new FileOutputStream("E:\\1.txt");22         23         System.out.println("1.gz解压缩成1.txt");24         int len;25         while ((len = gis.read()) !=-1) {26             fos.write(len);27         }28         gis.close();29         fos.close();*/30         31         32         33         34         35         //ZIP压缩与解压缩36         37 /*        System.out.println("ZIP压缩");38         ZipOutputStream zos = new ZipOutputStream(new FileOutputStream("E:\\1.zip"));39         String a[] = {"E:/1.txt","E:/2.txt"};40         int len;41         for (int i = 0; i < a.length; i++) {42             System.out.println("压缩文件"+a[i]);43             FileInputStream fis = new FileInputStream(a[i]);44             zos.putNextEntry(new ZipEntry(a[i]));//写入一个ZipEntry入口45             46             while ((len = fis.read()) != -1) {47                 zos.write(len);48             }49             fis.close();50         }51         zos.close();52         System.out.println("压缩完毕！");*/53         54         55         System.out.println("ZIP解压缩");56         ZipInputStream zis = new ZipInputStream(new FileInputStream("E:/1.zip"));57         ZipEntry entry;58         int c;59         while ((entry = zis.getNextEntry()) != null) {60             System.out.println("文件："+entry.getName());61             FileOutputStream fos = new FileOutputStream(entry.getName());62             63             while ((c = zis.read()) != -1) {64                 fos.write(c);65             }66             fos.close();67         }68         zis.close();69         System.out.println("解压缩完毕！");70     }71 72 }

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