apache ant解压zip。支持多级目录解压

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package cn.liuc.util;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.ArrayList;import java.util.Enumeration;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;public class ZipByOriginalExtractUtil {public static ArrayList<String> unzipFile(String zipFilePath) {String path = zipFilePath.replaceAll("\\\\", "/");String outputDirectory = path.substring(0, path.lastIndexOf("."))+"/";return unZip(zipFilePath, outputDirectory);}/** * 生存目录 *  * @param directory *            解压文件存放目录 * @param subDirectory *            子目录（没有时可传入空字符串） */private static void createDirectory(String directory, String subDirectory) {String dir[];File fl = new File(directory);try {if (subDirectory == "" && fl.exists() != true)fl.mkdir();else if (subDirectory != "") {dir = subDirectory.replace('\\', '/').split("/");for (int i = 0; i < dir.length; i++) {File subFile = new File(directory + File.separator + dir[i]);if (subFile.exists() == false)subFile.mkdir();directory += File.separator + dir[i];}}} catch (Exception e) {e.printStackTrace();}}/** * 解压指定的ZIP文件 *  * @param unZipFileName *            文件名字符串（包含路径） * @param outputDirectory *            解压后存放目录 * @return */public static ArrayList<String> unZip(String unZipFileName,String outputDirectory) {ArrayList<String> unzipFileList = new ArrayList<String>();int readedBytes;FileOutputStream fileOutStream=null;byte[] buff = new byte[1024];// File file;InputStream inputStream=null;ZipFile zipFile = null;try {createDirectory(outputDirectory, "");if (System.getProperty("os.name").toLowerCase().indexOf("windows") >= 0) {zipFile = new ZipFile(unZipFileName, "GBK");} else if (System.getProperty("os.name").toLowerCase().indexOf("linux") >= 0) {zipFile = new ZipFile(unZipFileName, "UTF-8");}for (Enumeration<ZipEntry> entries = zipFile.getEntries(); entries.hasMoreElements();) {ZipEntry entry = (ZipEntry) entries.nextElement();if (entry.isDirectory()) {// 是目录，则创建之String name = entry.getName().substring(0,entry.getName().length() - 1);File f = new File(outputDirectory + File.separator + name);f.mkdir();// file.mkdirs();} else {// 是文件String fileName = entry.getName().replaceAll("\\\\", "/");String path = outputDirectory + "/" + fileName;File f = new File(path);f.createNewFile();inputStream = zipFile.getInputStream(entry);fileOutStream = new FileOutputStream(f);while ((readedBytes = inputStream.read(buff)) > 0) {fileOutStream.write(buff, 0, readedBytes);}fileOutStream.close();inputStream.close();unzipFileList.add(path);}}zipFile.close();} catch (Exception e) {e.printStackTrace();}finally{if (inputStream!=null) {try {inputStream.close();} catch (IOException e) {e.printStackTrace();}}if (fileOutStream!=null) {try {fileOutStream.close();} catch (IOException e) {e.printStackTrace();}}}return unzipFileList;}/** *  * \brief 测试 *  * @param args * @throws Exception * @attention 方法的使用注意事项 * @author liuchao * @date 2013-9-13 * @note begin modify by 修改人 修改时间 修改内容摘要说明 */public static void main(String[] args) throws Exception {unzipFile("E:\\专家协同解决方案.zip");}}
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