java压缩指定目录下的所有文件和文件夹的代码

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String sourceDir="E:\test";
int parentDirectoryLen=sourceDir.lastIndexOf(File.separator)+1;
File[] copyfoldersList = new File(sourceDir).listFiles();
FileOutputStream fos = new FileOutputStream("E:\test.zip");
ZipOutputStream zipOut = new ZipOutputStream(fos);
for (int k = 0; k < copyfoldersList.length; k++) {
if (copyfoldersList[k].isDirectory()) {
LinkedList<String> copysourcepath = new LinkedList<String>(Arrays.asList(copyfoldersList[k].getAbsolutePath()));
while (copysourcepath.size() > 0) {
File folders = new File(copysourcepath.peek());
String[] file = folders.list();
for (int i = 0; i < file.length; i++) {
File ff = new File(copysourcepath.peek(), file[i]);
if (ff.isFile()) {
FileInputStream fis =null;
try {
fis = new FileInputStream(ff);
ZipEntry entry = new ZipEntry(ff.getAbsoluteFile().substring(parentDirectoryLen));
zipOut.putNextEntry(entry);
int nNumber;
byte[] buffer = new byte[Long.MIN_VALUE];
while ((nNumber = fis.read(buffer)) != -1)
zipOut.write(buffer, 0, nNumber);
} catch (IOException e) {
e.printStackTrace();
zipOut.close();
fos.close();
}finally{
try {
fis.close();
} catch (IOException e) {}
}
} else if (ff.isDirectory()) {
for (File f : temp.listFiles()) {
if (f.isDirectory())
copysourcepath.add(f.getPath());
else if (f.isFile()) {
FileInputStream fis =null;
try {
fis = new FileInputStream(f);
ZipEntry entry = new ZipEntry(f.getAbsoluteFile().substring(parentDirectoryLen));
zipOut.putNextEntry(entry);
int nNumber;
byte[] buffer = new byte[Long.MIN_VALUE];
while ((nNumber = fis.read(buffer)) != -1)
zipOut.write(buffer, 0, nNumber);
} catch (IOException e) {
e.printStackTrace();
zipOut.close();
fos.close();
}finally{
try {
fis.close();
} catch (IOException e) {}
}
}
}
}
}
copysourcepath.removeFirst();
}
}
}
try {
zipOut.flush();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
zipOut.close();
fos.close();
} catch (IOException e) {}
}