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
