public class ZipUtils {public ZipUtils() {}
　　　　　/*　　　　　　以输入流的形式解压　　　　*/public static void UnZipFolder(InputStream zipFileString,String outPathString) throws Exception {ZipInputStream inZip = new ZipInputStream(zipFileString);ZipEntry zipEntry;String szName = "";while ((zipEntry = inZip.getNextEntry()) != null) {szName = zipEntry.getName();if (zipEntry.isDirectory()) {// get the folder name of the widgetszName = szName.substring(0, szName.length() - 1);File folder = new File(outPathString + File.separator + szName);folder.mkdirs();} else {File file = new File(outPathString + File.separator + szName);file.createNewFile();// get the output stream of the fileFileOutputStream out = new FileOutputStream(file);int len;byte[] buffer = new byte[1024];// read (len) bytes into bufferwhile ((len = inZip.read(buffer)) != -1) {// write (len) byte from buffer at the position 0out.write(buffer, 0, len);out.flush();}out.close();}}inZip.close();}/*** DeCompress the ZIP to the path* 以文件形式解压* @param zipFileString*            name of ZIP* @param outPathString*            path to be unZIP* @throws Exception*/public static void UnZipFolder(String zipFileString, String outPathString)throws Exception {ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));ZipEntry zipEntry;String szName = "";while ((zipEntry = inZip.getNextEntry()) != null) {szName = zipEntry.getName();if (zipEntry.isDirectory()) {// get the folder name of the widgetszName = szName.substring(0, szName.length() - 1);File folder = new File(outPathString + File.separator + szName);folder.mkdirs();} else {File file = new File(outPathString + File.separator + szName);file.createNewFile();// get the output stream of the fileFileOutputStream out = new FileOutputStream(file);int len;byte[] buffer = new byte[1024];// read (len) bytes into bufferwhile ((len = inZip.read(buffer)) != -1) {// write (len) byte from buffer at the position 0out.write(buffer, 0, len);out.flush();}out.close();}}inZip.close();}/*** Compress file and folder* * @param srcFileString*            file or folder to be Compress* @param zipFileString*            the path name of result ZIP* @throws Exception*/public static void ZipFolder(String srcFileString, String zipFileString)throws Exception {// create ZIPZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString));// create the fileFile file = new File(srcFileString);// compressZipFiles(file.getParent() + File.separator, file.getName(), outZip);// finish and closeoutZip.finish();outZip.close();}/*** compress files* * @param folderString* @param fileString* @param zipOutputSteam* @throws Exception*/private static void ZipFiles(String folderString, String fileString,ZipOutputStream zipOutputSteam) throws Exception {if (zipOutputSteam == null)return;File file = new File(folderString + fileString);if (file.isFile()) {ZipEntry zipEntry = new ZipEntry(fileString);FileInputStream inputStream = new FileInputStream(file);zipOutputSteam.putNextEntry(zipEntry);int len;byte[] buffer = new byte[4096];while ((len = inputStream.read(buffer)) != -1) {zipOutputSteam.write(buffer, 0, len);}zipOutputSteam.closeEntry();} else {// folderString fileList[] = file.list();// no child file and compressif (fileList.length <= 0) {ZipEntry zipEntry = new ZipEntry(fileString + File.separator);zipOutputSteam.putNextEntry(zipEntry);zipOutputSteam.closeEntry();}// child files and recursionfor (int i = 0; i < fileList.length; i++) {ZipFiles(folderString, fileString + java.io.File.separator+ fileList[i], zipOutputSteam);}// end of for}}/*** return the InputStream of file in the ZIP* * @param zipFileString*            name of ZIP* @param fileString*            name of file in the ZIP* @return InputStream* @throws Exception*/public static InputStream UpZip(String zipFileString, String fileString)throws Exception {ZipFile zipFile = new ZipFile(zipFileString);ZipEntry zipEntry = zipFile.getEntry(fileString);return zipFile.getInputStream(zipEntry);}/*** return files list(file and folder) in the ZIP* * @param zipFileString*            ZIP name* @param bContainFolder*            contain folder or not* @param bContainFile*            contain file or not* @return* @throws Exception*/public static List<File> GetFileList(String zipFileString,boolean bContainFolder, boolean bContainFile) throws Exception {List<File> fileList = new ArrayList<File>();ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));ZipEntry zipEntry;String szName = "";while ((zipEntry = inZip.getNextEntry()) != null) {szName = zipEntry.getName();if (zipEntry.isDirectory()) {// get the folder name of the widgetszName = szName.substring(0, szName.length() - 1);File folder = new File(szName);if (bContainFolder) {fileList.add(folder);}} else {File file = new File(szName);if (bContainFile) {fileList.add(file);}}}inZip.close();return fileList;}
}

Exception:bad byte at 4。我找了好久最后发现，其实就是文件名不能是汉字。因为我的zip包里有带汉字的文件。这样Android就不够解压出现异常。Android解压的zip包不处理，里的东西不能是以汉字命名的。