Java实现Zip压缩/解压缩目录中的所有文件

import java.io.*;

02 import java.util.*;

03 import java.util.zip.*;

04 public class FolderUnzip {

05 private static String sourcepath="D:\\tmp";

06 private static List<String>folderList=new ArrayList<String>(Arrays.asList(sourcepath));

07 private static List<String>folderList2=new ArrayList<String>(Arrays.asList("E:\\tt"+File.separator+sourcepath.substring(sourcepath.lastIndexOf(File.separator))));

08 private static FileInputStream fis = null;

09 private static FileOutputStream fos = null;

10 private static ZipInputStream zipin = null;

11     public static void main(String[] args) {

12         for (int j = 0; j < folderList.size(); j++) {

13             new File(folderList2.get(j)).mkdirs();

14             String[] file = new File(folderList.get(j)).list();

15             File temp = null;

16             for (int i = 0; i < file.length; i++) {

17                 if (folderList.get(j).endsWith(File.separator))

18                     temp = new File(folderList.get(j), file[i]);

19                 else

20                     temp = new File(folderList.get(j), file[i]);

21                 File originalFile = null;

22                 if (temp.getName().endsWith(".zip"))

23                     originalFile = new File(folderList2.get(j), temp.getName()

24                             .substring(0, temp.getName().lastIndexOf('.')));

25                 if (temp.isFile() && !originalFile.exists()) {

26                     try {

27                         fis = new FileInputStream(temp);

28                         zipin = new ZipInputStream(fis);

29             ZipEntry entry = zipin.getNextEntry();

30             fos = new FileOutputStream(new File(folderList2.get(j),entry.getName()));

31                         byte[] buffer = new byte[20480];

32                         int nNumber;

33                         while ((nNumber = zipin.read(buffer, 0, buffer.length)) != -1)

34                             fos.write(buffer, 0, nNumber);

35                         fos.flush();

36                     } catch (IOException e) {

37                         continue;

38                     } finally {

39                         try {

40                             zipin.close();

41                             fos.close();

42                             fis.close();

43                         } catch (IOException e) {

44                         }

45                     }

46                 } else if (temp.isDirectory()) {

47                     folderList.add(folderList.get(j) + File.separator + file[i]);

48                     folderList2.add(folderList2.get(j) + File.separator+ file[i]);

49                 }

50             }

51         }

52     }

53 }

import java.io.*;

02 import java.util.*;

03 import java.util.zip.*;

04 public class FolderZip {

05 private static String sourcepath="C:\\temp";

06 private static List<String>folderList=new ArrayList<String>(Arrays.asList(sourcepath));

07 private static List<String>folderList2=new ArrayList<String>(Arrays.asList("D:\\tmp"+File.separator+sourcepath.substring(sourcepath.lastIndexOf(File.separator))));

08 private static FileInputStream fis = null;

09 private static FileOutputStream fos = null;

10 private static ZipOutputStream zipOut = null;

11     public static void main(String[] args) {

12         for (int j = 0; j < folderList.size(); j++) {

13             new File(folderList2.get(j)).mkdirs();

14             String[] file = new File(folderList.get(j)).list();

15             File temp = null;

16             for (int i = 0; i < file.length; i++) {

17                 if (folderList.get(j).endsWith(File.separator))

18                     temp = new File(folderList.get(j), file[i]);

19                 else

20                     temp = new File(folderList.get(j), file[i]);

21                 File zipFile = new File(folderList2.get(j), temp.getName()

22                         + ".zip");

23                 if (temp.isFile() && !zipFile.exists())

24                     try {

25                         fis = new FileInputStream(temp);

26                         fos = new FileOutputStream(zipFile);

27                         zipOut = new ZipOutputStream(fos);

28                         ZipEntry entry = new ZipEntry(temp.getName());

29                         zipOut.putNextEntry(entry);

30                         int nNumber;

31                         byte[] buffer = new byte[20480];

32                         while ((nNumber = fis.read(buffer)) != -1)

33                             zipOut.write(buffer, 0, nNumber);

34                         zipOut.flush();

35                     } catch (IOException e) {

36                         continue;

37                     } finally {

38                         try {

39                             zipOut.close();

40                             fos.close();

41                             fis.close();

42                         } catch (IOException e) {

43                         }

44                     }

45                 else if (temp.isDirectory()) {

46                     folderList

47                             .add(folderList.get(j) + File.separator + file[i]);

48                     folderList2.add(folderList2.get(j) + File.separator

49                             + file[i]);

50                 }

51             }

52         }

53     }

54 }