Java压缩解压工具类

内容如下：

代码语言：javascript复制

import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;

import java.io.*;
import java.util.Enumeration;

/**
 * 解压压缩工具类
 * Created by fangshuai on 2014-09-12-0012.
 */
public class ZipUtils {
    public static final String ENCODING_DEFAULT = "UTF-8";

    public static final int BUFFER_SIZE_DIFAULT = 128;

    public static void makeZip(String[] inFilePaths, String zipPath)
            throws Exception {
        makeZip(inFilePaths, zipPath, ENCODING_DEFAULT);
    }

    public static void makeZip(String[] inFilePaths, String zipPath,
                               String encoding) throws Exception {
        File[] inFiles = new File[inFilePaths.length];
        for (int i = 0; i < inFilePaths.length; i  ) {
            inFiles[i] = new File(inFilePaths[i]);
        }
        makeZip(inFiles, zipPath, encoding);
    }

    public static void makeZip(File[] inFiles, String zipPath) throws Exception {
        makeZip(inFiles, zipPath, ENCODING_DEFAULT);
    }

    public static void makeZip(File[] inFiles, String zipPath, String encoding)
            throws Exception {
        ZipOutputStream zipOut = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipPath)));
        zipOut.setEncoding(encoding);
        for (int i = 0; i < inFiles.length; i  ) {
            File file = inFiles[i];
            doZipFile(zipOut, file, file.getParent());
        }
        zipOut.flush();
        zipOut.close();
    }

    private static void doZipFile(ZipOutputStream zipOut, File file,
                                  String dirPath) throws IOException {
        if (file.isFile()) {
            BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
            String zipName = file.getPath().substring(dirPath.length());
            while (zipName.charAt(0) == '' || zipName.charAt(0) == '/') {
                zipName = zipName.substring(1);
            }
            ZipEntry entry = new ZipEntry(zipName);
            zipOut.putNextEntry(entry);
            byte[] buff = new byte[BUFFER_SIZE_DIFAULT];
            int size;
            while ((size = bis.read(buff, 0, buff.length)) != -1) {
                zipOut.write(buff, 0, size);
            }
            zipOut.closeEntry();
            bis.close();
        } else {
            File[] subFiles = file.listFiles();
            for (File subFile : subFiles) {
                doZipFile(zipOut, subFile, dirPath);
            }
        }
    }

    public static void unZip(String zipFilePath, String storePath) throws IOException {
        unZip(new File(zipFilePath), storePath);
    }

    public static void unZip(File zipFile, String storePath) throws IOException {
        if (!new File(storePath).exists()) {
            new File(storePath).mkdirs();
        }

        ZipFile zip = new ZipFile(zipFile);
        Enumeration<ZipEntry> entries = zip.getEntries();
        while (entries.hasMoreElements()) {
            ZipEntry zipEntry = entries.nextElement();
            if (zipEntry.isDirectory()) {
                // TODO
            } else {
                String zipEntryName = zipEntry.getName();
                if (zipEntryName.indexOf(File.separator) > 0) {
                    String zipEntryDir = zipEntryName.substring(0, zipEntryName.lastIndexOf(File.separator)   1);
                    String unzipFileDir = storePath   File.separator   zipEntryDir;
                    File unzipFileDirFile = new File(unzipFileDir);
                    if (!unzipFileDirFile.exists()) {
                        unzipFileDirFile.mkdirs();
                    }
                }

                InputStream is = zip.getInputStream(zipEntry);
                File entryFile = new File(storePath   File.separator   zipEntryName);
                if(!entryFile.getParentFile().exists())
                    entryFile.getParentFile().mkdirs();
                FileOutputStream fos = new FileOutputStream(entryFile);
                byte[] buff = new byte[BUFFER_SIZE_DIFAULT];
                int size;
                while ((size = is.read(buff)) > 0) {
                    fos.write(buff, 0, size);
                }
                fos.flush();
                fos.close();
                is.close();
            }
        }
    }

    public static void main(String[] args) throws Exception {
        String rootDir = "D:SWFTools";
        String zipPath = "D:SWFTools.zip";
        //makeZip(new String[]{rootDir}, zipPath);
        unZip(zipPath, "D:temp");
    }
}

java 工具类

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