android zip 递归打包压缩，解压

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android zip 打包压缩，解压示例代码：
import android.util.Log;import com.example.xjp.demo.BuildConfig;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;/** * 压缩文件，解压缩文件 */public class ZipHelper {    private final static String TAG = "ZipHelper";    private final static int BUFF_SIZE = 2048;    /**     * 压缩文件     *     * @param fs          需要压缩的文件     * @param zipFilePath 被压缩后存放的路径     * @return 成功返回 true，否则 false     */    public static boolean zipFiles(File fs[], String zipFilePath) {        if (fs == null) {            throw new NullPointerException("fs == null");        }        boolean result = false;        ZipOutputStream zos = null;        try {            zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFilePath)));            for (File file : fs) {                if (file == null || !file.exists()) {                    continue;                }                if (file.isDirectory()) {                    recursionZip(zos, file, file.getName() + File.separator);                } else {                    recursionZip(zos, file, "");                }            }            result = true;            zos.flush();        } catch (Exception e) {            e.printStackTrace();            Log.e(TAG, "zip file failed err: " + e.getMessage());        } finally {            try {                if (zos != null) {                    zos.closeEntry();                    zos.close();                }            } catch (IOException e1) {                e1.printStackTrace();            }        }        return result;    }    private static void recursionZip(ZipOutputStream zipOut, File file, String baseDir) throws Exception {        if (file.isDirectory()) {            Log.i(TAG, "the file is dir name -->>" + file.getName() + " the baseDir-->>>" + baseDir);            File[] files = file.listFiles();            for (File fileSec : files) {                if (fileSec == null) {                    continue;                }                if (fileSec.isDirectory()) {                    baseDir = file.getName() + File.separator + fileSec.getName() + File.separator;                    Log.i(TAG, "basDir111-->>" + baseDir);                    recursionZip(zipOut, fileSec, baseDir);                } else {                    Log.i(TAG, "basDir222-->>" + baseDir);                    recursionZip(zipOut, fileSec, baseDir);                }            }        } else {            Log.i(TAG, "the file name is -->>" + file.getName() + " the base dir -->>" + baseDir);            byte[] buf = new byte[BUFF_SIZE];            InputStream input = new BufferedInputStream(new FileInputStream(file));            zipOut.putNextEntry(new ZipEntry(baseDir + file.getName()));            int len;            while ((len = input.read(buf)) != -1) {                zipOut.write(buf, 0, len);            }            input.close();        }    }    /**     * 解压文件     *     * @param unZipPath 解压后的目录     * @param zipPath   压缩文件目录     * @return 成功返回 true，否则 false     */    public static boolean unZipFile(String unZipPath, String zipPath) {        unZipPath = createSeparator(unZipPath);        BufferedOutputStream bos = null;        ZipInputStream zis = null;        boolean result = false;        try {            String filename;            zis = new ZipInputStream(new BufferedInputStream(new FileInputStream(zipPath)));            ZipEntry ze;            byte[] buffer = new byte[BUFF_SIZE];            int count;            while ((ze = zis.getNextEntry()) != null) {                filename = ze.getName();                if (BuildConfig.DEBUG) {                    Log.d(TAG, "ze.getName() = " + filename);                }                createSubFolders(filename, unZipPath);                if (ze.isDirectory()) {                    File fmd = new File(unZipPath + filename);                    fmd.mkdirs();                    continue;                }                if (BuildConfig.DEBUG) {                    Log.d(TAG, "unzip file = " + unZipPath + filename);                }                bos = new BufferedOutputStream(new FileOutputStream(unZipPath + filename));                while ((count = zis.read(buffer)) != -1) {                    bos.write(buffer, 0, count);                }                bos.flush();                bos.close();            }            result = true;        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                if (zis != null) {                    zis.closeEntry();                    zis.close();                }                if (bos != null) {                    bos.close();                }            } catch (IOException e) {                e.printStackTrace();            }        }        return result;    }    private static void createSubFolders(String filename, String path) {        String[] subFolders = filename.split("/");        if (subFolders.length <= 1) {            return;        }        String pathNow = path;        for (int i = 0; i < subFolders.length - 1; ++i) {            pathNow = pathNow + subFolders[i] + "/";            File fmd = new File(pathNow);            if (fmd.exists()) {                continue;            }            fmd.mkdirs();        }    }    private static String createSeparator(String path) {        File dir = new File(path);        if (!dir.exists()) {            dir.mkdirs();        }        if (path.endsWith("/")) {            return path;        }        return path + '/';    }}
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