Java--解压缩zip包

Test.java

import java.io.IOException;public class Test {public static void main(String[] args) throws IOException, Exception {String srcPath = "E:\\zhanglong.zip";String dstPath = "E:\\zhanglong";Decompression.unZip(srcPath, dstPath);}}

Decompression.java

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.zip.GZIPInputStream;import java.util.zip.GZIPOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;public class Decompression {//解压gzip数据public static String unGzip(InputStream is){String result = null;GZIPInputStream in = null;ByteArrayOutputStream arrayOutputStream = null;try {in = new GZIPInputStream(is);arrayOutputStream = new ByteArrayOutputStream();int len = -1;byte[] buffer = new byte[Constant.BUFFER];while ((len = in.read(buffer)) != -1) {arrayOutputStream.write(buffer, 0, len);}result = new String(arrayOutputStream.toByteArray(), Constant.UTF);} catch (IOException e) {e.printStackTrace();}finally{try {if(in != null){in.close();}if(arrayOutputStream != null){arrayOutputStream.close();}if(is != null){is.close();}} catch (IOException e) {e.printStackTrace();}}return result;}//压缩gzip数据public static byte[] gzip(String data, String charset) {byte[] b = null;try {ByteArrayOutputStream bos = new ByteArrayOutputStream();GZIPOutputStream gzip = new GZIPOutputStream(bos);gzip.write(data.getBytes(charset));gzip.finish();gzip.close();b = bos.toByteArray();bos.close();} catch (Exception ex) {ex.printStackTrace();}return b;}/**************************************************///解压zip压缩包public static boolean unZip(String srcPath, String dstPath) {boolean isUnzipSuccess = false;boolean isDstFormat = false;int count = -1; int index = -1;File dstFolder = new File(dstPath);if(!dstFolder.exists()) dstFolder.mkdirs();FileInputStream fis = null;ZipInputStream zis = null;FileOutputStream fos = null;BufferedOutputStream bos = null;try {ZipEntry entry = null;  fis = new FileInputStream(srcPath);zis = new ZipInputStream(new BufferedInputStream(fis));while ((entry = zis.getNextEntry()) != null) {byte[] data = new byte[Constant.BUFFER * 10];String temp = entry.getName();isDstFormat = isDstFormat(temp);if(!isDstFormat)continue;index = temp.lastIndexOf("/");if (index > -1) temp = temp.substring(index + 1);temp = dstPath + File.separator + temp;File file = new File(temp);file.createNewFile();fos = new FileOutputStream(file);bos = new BufferedOutputStream(fos, Constant.BUFFER * 10);while ((count = zis.read(data, 0, Constant.BUFFER * 10)) != -1) {    bos.write(data, 0, count);}bos.flush();}isUnzipSuccess = true;} catch (Exception e) {e.printStackTrace();}finally{try {if(bos != null) bos.close();if(fos != null) fos.close();if(zis != null) zis.close();if(fis != null) fis.close();} catch (IOException e) {e.printStackTrace();}}return isUnzipSuccess;}public static boolean isDstFormat(String filename){boolean isDstFormat = false;boolean isEndWithOgg = filename.endsWith(Constant.OGG);boolean isEndWidthPack = filename.endsWith(Constant.PACK);boolean isEndWidthPng = filename.endsWith(Constant.PNG);boolean isEndWidthMp3 = filename.endsWith(Constant.MP3);boolean isEndWidthTmx = filename.endsWith(Constant.TMX);boolean isEndWidthProperties = filename.endsWith(Constant.PROPERTIES);if( isEndWithOgg ||  isEndWidthPack || isEndWidthMp3 || isEndWidthPng || isEndWidthTmx || isEndWidthProperties)isDstFormat = true;return isDstFormat;}}

FileOperate.java

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.ArrayList;import java.util.LinkedList;import java.util.List;public class FileOperate {/** * 在指定路径下创建新文件 * @param filePath      文件路径 * @return * @throws IOException */public static File createFile(String filePath, boolean isDeleteAllFiles) {String parentPath = filePath.substring(0, filePath.lastIndexOf(File.separator));createFolders(parentPath, isDeleteAllFiles);File file = new File(filePath);try {if(!file.createNewFile()){file.delete();file.createNewFile();}} catch (IOException e) {e.printStackTrace();}return file;}/** * 判断配置文件是否存在 * @param filePath  文件路径 * @return */public static boolean isFileExist(String filePath){File file = new File(filePath);return file.exists();}/** * 取得指定目录下的所有文件夹名 * @return */public static List<String> getFilesName(String filePath){List<String> files_name = null;File file = new File(filePath);if(file.exists()){files_name = new ArrayList<String>();File[] files = file.listFiles();for (File file2 : files) {if(file2.isDirectory()){files_name.add(file2.getName());}}}return files_name;}public static void deleteFiles(File file){if(file.exists()){File[] files = file.listFiles();for(File f : files){if(f.isFile()) f.delete();}}}public static File createFolders(String path, boolean isDeleteAllFiles){File file = new File(path);if(file.exists() && file.isDirectory()){if(isDeleteAllFiles) deleteFiles(file);}else{file.mkdirs();}return file;}public static boolean deleteFile(String filePath){boolean isDeleted = false;File file = new File(filePath);if(file.exists()){if(file.isFile()) {file.delete();isDeleted = true;}}return isDeleted;}public static void deleteMkdir(String filePath){File file = new File(filePath);if(file.exists() && file.isDirectory()){file.delete();}}/*********删除文件夹******/public static boolean deleteFolders(String filePath){boolean isDeleteSuccess = false;LinkedList<String> folderList = new LinkedList<String>();folderList.add(filePath);while(folderList.size() > 0){File file1 = new File(folderList.poll());File[] files1 = file1.listFiles();ArrayList<File> fileList = new ArrayList<File>();for(int i = 0; i < fileList.size(); i++){if(files1[i].isDirectory()){folderList.add(files1[i].getPath());}else{fileList.add(files1[i]);}}//删除文件for(File file : fileList){file.delete();}}//删除文件夹folderList = new LinkedList<String>();folderList.add(filePath);while(folderList.size() > 0){File file2 = new File(folderList.getLast());if(file2.delete()){folderList.removeLast();}else{File[] files2 = file2.listFiles();for(int i = 0; i < files2.length; i++){folderList.add(files2[i].getPath());}}}if(folderList.size() == 0) isDeleteSuccess = true;return isDeleteSuccess;}public static boolean moveFile(String srcFilePath, String dstFilePath){boolean isMoveFileSuccess = false;BufferedInputStream bis = null;BufferedOutputStream bos = null;FileInputStream fis = null;FileOutputStream fos = null;try {if(isFileExist(dstFilePath)) deleteFile(dstFilePath);File dstFile = createFile(dstFilePath, false);fis = new FileInputStream(new File(srcFilePath));fos = new FileOutputStream(dstFile);bis = new BufferedInputStream(fis);bos = new BufferedOutputStream(fos, Constant.BUFFER * 10);int count = -1;byte[] buffer = new byte[Constant.BUFFER * 10];while((count = bis.read(buffer, 0, Constant.BUFFER * 10)) != -1){bos.write(buffer, 0, count);bos.flush();}isMoveFileSuccess = true;} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{try {if(bos != null){bos.close();}if(fos != null){fos.close();}if(bis != null){bis.close();}if(fis != null){fis.close();}} catch (IOException e) {e.printStackTrace();}}return isMoveFileSuccess;}}

Constant.java

public class Constant {public static final int BUFFER = 1024;public static final String UTF = "utf-8";public static final String OGG = ".ogg";public static final String PACK = ".pack";public static final String PNG = ".png";public static final String MP3 = ".mp3";public static final String PROPERTIES = ".properties";public static final String TMX = ".tmx";  }

测试包：http://download.csdn.net/detail/zlqqhs/5943973