java zip压缩解压工具解决中文乱码问题

import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Enumeration; import org.apache.log4j.Logger; import org.apache.tools.zip.ZipEntry; import org.apache.tools.zip.ZipFile; import org.apache.tools.zip.ZipOutputStream; /** * zip工具 * * @author yuan * */ public class ZipUtils { private static Logger log = Logger.getLogger(ZipUtils.class); private static final int BUFFER_SIZE = 8 * 1024; /** * @param source * zip源文件 * @param dest * 解压保存的目录 * @throws IOException * IO异常 */ public static void unzip(File source, File dest) throws IOException { ZipFile zipFile = null; try { zipFile = new ZipFile(source,"GBK"); unzip(zipFile, dest); } finally { if (zipFile != null) { zipFile.close(); // 关闭文件 } } } /** * 解压zip文件 * * @param source * zip 源文件 * @param dest * 输出目录 * @throws IOException * IO异常 */ @SuppressWarnings("unchecked") private static void unzip(ZipFile source, File dest) throws IOException { // 创建目录 if (!dest.exists()) { // 不存在 dest.mkdirs(); // 创建 } Enumeration<ZipEntry> en = source.getEntries(); // 返回所有条目 Returns all while (en.hasMoreElements()) { ZipEntry zipEntry = en.nextElement(); if (zipEntry.isDirectory()) {// 目录，则创建 File dir = new File(dest, zipEntry.getName()); if (!dir.exists()) { dir.mkdirs(); dir = null; } continue; } // 创建文件 File file = new File(dest, zipEntry.getName()); if (file.exists()) { file.delete(); } else if (!file.getParentFile().exists()) { file.getParentFile().mkdirs(); } // end 创建文件 // 写入 InputStream in = null; FileOutputStream out = null; try { in = source.getInputStream(zipEntry); out = new FileOutputStream(file); copy(in, out); } finally {// 每次写入后都要关闭流,防止占用资源,导致不能其它操作(如删除该文件)!!!!!! file = null; if (in != null) { in.close(); } if (out != null) { out.close(); } } } } /** * @param in * 输入流 * @param out * 输出流 * @throws IOException * IO异常 */ private static void copy(InputStream in, OutputStream out) throws IOException { try { byte[] buffer = new byte[BUFFER_SIZE]; int count = 0; do { if (count != 0) { out.write(buffer, 0, count); } count = in.read(buffer, 0, buffer.length); } while (count != -1); } finally { if (out != null) { out.flush(); } } } /** * 压缩成zip格式 * * @param source * 源文件或文件夹 * @param dest * 输出的zip文件 * @throws IOException * IO异常 */ public static void zip(File source,File dest) throws IOException { ZipOutputStream out = null; FileOutputStream fos = null; try { if (!dest.getParentFile().exists()) { dest.getParentFile().mkdirs(); } if(dest.exists()){ dest.delete(); } dest.createNewFile(); fos = new FileOutputStream(dest); out = new ZipOutputStream(fos); // out.setMethod(ZipOutputStream.DEFLATED); // out.setLevel(Deflater.BEST_COMPRESSION); zip(out, source, null); } finally { if (out != null) { out.close(); } if (fos != null) { fos.close(); } } } /** * 压缩成zip格式 * * @param out * ZipOutputStream * @param source * File * @param vpath * String * @throws IOException * IO异常 */ public static void zip(ZipOutputStream out, File source, String vpath) throws IOException { if (source.isDirectory()) { // 目录 if(vpath == null){ vpath = source.getName()+"/"; }else{ vpath = vpath +"/"; } out.putNextEntry(new ZipEntry(vpath)); // 格式如：dir/ File[] files = source.listFiles(); for (int i = 0; i < files.length; i++) { zip(out, files[i], vpath + files[i].getName()); // 递归 } } else {// 文件 if(vpath == null){ vpath = source.getName(); } ZipEntry ze = new ZipEntry(vpath); // ze.setMethod(ZipEntry.DEFLATED); out.putNextEntry(ze); FileInputStream in = null; try { in = new FileInputStream(source); copy(in, out); } finally { if (in != null) { in.close(); } } } } // // public static void unzip2(File source, File dest) { // Project prj = new Project(); // Expand expand = new Expand(); // expand.setProject(prj); // expand.setSrc(source); // expand.setDest(dest); // expand.execute(); // } // // public static void zip2(File dest, File source) { // Project prj = new Project(); // Zip zip = new Zip(); // zip.setProject(prj); // zip.setDestFile(dest); // FileSet fileSet = new FileSet(); // fileSet.setProject(prj); // fileSet.setDir(source); // fileSet.setDefaultexcludes(false); // zip.addFileset(fileSet); // zip.execute(); // } }