【转】JAVA解压.TAR.Z及.ZIP文件

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private static int bufSize = 8096; // size of byte public static void main(String[] args) throws Exception String tmpFile = "C:\\Users\\Administrator\\Desktop\\20151101.rar" ; ZipUncompress.unZip(tmpFile, tmpFile.substring( 0, tmpFile.lastIndexOf("." ))); // ----------------- System.out.println("Usage:" ); System.out.println( "解压:java ZipFileUtils -unzip fileName.zip" ); System.out.println(); public static String unZip(String unZipFileName, String destFileName) File unzipFile = new File(unZipFileName); if (destFileName == null || destFileName.trim().length() == 0 ) destFileName = unzipFile.getParent(); File destFile; ZipFile zipFile = null ; zipFile = new ZipFile(unzipFile, "GBK" ); for (Enumeration entries = zipFile.getEntries(); entries.hasMoreElements();) ZipEntry entry = (ZipEntry) entries.nextElement(); destFile = new File(destFileName, entry.getName()); unZipFile(destFile, zipFile, entry); // 执行解压 } catch (Exception e) return e.getMessage(); finally assert zipFile != null ; zipFile.close(); } catch (Exception e) e.printStackTrace(); return null ; private static void unZipFile(File destFile, ZipFile zipFile, ZipEntry entry) throws IOException InputStream inputStream; FileOutputStream fileOut; if (entry.isDirectory()) // 是目录，则创建之 destFile.mkdirs(); else // 是文件 // 如果指定文件的父目录不存在,则创建之. File parent = destFile.getParentFile(); if (parent != null && ! parent.exists()) parent.mkdirs(); inputStream = zipFile.getInputStream(entry); fileOut = new FileOutputStream(destFile); byte [] buf = new byte [bufSize]; int readedBytes; while ((readedBytes = inputStream.read(buf)) > 0 ) fileOut.write(buf, 0 , readedBytes); fileOut.close(); inputStream.close();

解压.TAR.Z文件
所需jar包 commons-compress-1.7及以上

package app.qdupr.Method;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.compressors.z.ZCompressorInputStream;
 * 自动解压.Z格式的文件
 * @author Administrator
public class ZCompress {
 * 测试方法
 * @param args
public static void main(String[] args) {
ZCompress zip = new ZCompress();
  File dir = new File("E:\\Test");
  File[] subs = dir.listFiles();
  for (File sub : subs) {
  String file=sub.getParent()+File.separator+sub.getName();
  zip.uncompress(file);
      System.out.println(file);
 * 获取文件夹下全部文件
 * @param file
public static void findAllfile(String file) {
ZCompress zip = new ZCompress();
  File dir = new File(file);
  File[] subs = dir.listFiles();
  for (File sub : subs) {
  String newfile=sub.getParent()+File.separator+sub.getName();
  zip.uncompress(newfile);
 * .Z文件解压
 * @param file
public  void  uncompress(String file) {
//File file =new File("E:\\BEA20151101.Z");
ZCompress.deCompressTZFile(file);
 * 将String型转换为File类型
 * @param file
 * @return
public static File deCompressTZFile(String file) {
return deCompressZFile(new File(file));
 * 执行解压
 * @param file
 * @return
private static File deCompressZFile(File file) {
int buffersize = 2048;
FileOutputStream out = null;
ZCompressorInputStream zIn = null;
try {
FileInputStream fin = new FileInputStream(file);
BufferedInputStream in = new BufferedInputStream(fin);
//解压后的文件存放路径及文件名
String  name = file.getName().substring(0, file.getName().indexOf("."));
File outFile = new File("E:\\File\\"+name);
out = new FileOutputStream(outFile);
zIn = new ZCompressorInputStream(in);
final byte[] buffer = new byte[buffersize];
int n = 0;
while (-1 != (n = zIn.read(buffer))) {
out.write(buffer, 0, n);
return outFile;
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
out.close();
zIn.close();
} catch (IOException e) {
e.printStackTrace();
 * .TAR格式文件解压
 * @param file
private static void deCompressTARFile(File file) {
int buffersize = 2048;
String basePath = file.getParent() + File.separator;
TarArchiveInputStream is = null;
try {
is = new TarArchiveInputStream(new FileInputStream(file));
while (true) {
TarArchiveEntry entry = is.getNextTarEntry();
if (entry == null) {
break;
if (entry.isDirectory()) {// 这里貌似不会运行到，跟ZipEntry有点不一样
new File(basePath + entry.getName()).mkdirs();
} else {
FileOutputStream os = null;
try {
File f = new File(basePath + entry.getName());
if (!f.getParentFile().exists()) {
f.getParentFile().mkdirs();
if (!f.exists()) {
f.createNewFile();
os = new FileOutputStream(f);
byte[] bs = new byte[buffersize];
int len = -1;
while ((len = is.read(bs)) != -1) {
os.write(bs, 0, len);
os.flush();
} catch (Exception e) {
e.printStackTrace();
} finally {
os.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
is.close();
file.delete();
} catch (IOException e) {
e.printStackTrace();