java 压缩文件的编码问题
package com.huaat.ccms.common.utils;import java.io.BufferedInputStream;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.util.ArrayList;import java.util.Arrays;import java.util.Enumeration;import java.util.List;import java.util.zip.CRC32;import java.util.zip.CheckedOutputStream;import org.apache.commons.lang.StringUtils;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;import org.apache.tools.zip.ZipOutputStream;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/** * Zip文件工具类 * */public class ZipUtils {static final int BUFFER = 8192;private static final String DEFAULT_FILE_ENCODING = "UTF-8";private static Logger logger = LoggerFactory.getLogger(ZipUtils.class);private static String fileEncoding = System.getProperty("sun.jnu.encoding");public static void compress(File zipFile, File srcFile) {try {FileOutputStream fileOutputStream = new FileOutputStream(zipFile);CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,new CRC32());ZipOutputStream out = new ZipOutputStream(cos);out.setEncoding(ZipUtils.fileEncoding);String basedir = "";compress(srcFile, out, basedir);out.close();} catch (Exception e) {throw new RuntimeException(e);}}private static void compress(File file, ZipOutputStream out, String basedir) {/* 判断是目录还是文件 */if (file.isDirectory()) {compressDirectory(file, out, basedir);} else {compressFile(file, out, basedir);}}/** 压缩一个目录 ,不带外层文件夹 */public static void compressDirectoryNoBaseDir(File dir, File basedir) {try {FileOutputStream fileOutputStream = new FileOutputStream(dir);CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,new CRC32());ZipOutputStream out = new ZipOutputStream(cos);out.setEncoding(ZipUtils.fileEncoding);if (!basedir.exists())return;File[] files = basedir.listFiles();for (int i = 0; i < files.length; i++) {/* 递归 */compress(files[i], out, "");}out.close();} catch (Exception e) {throw new RuntimeException(e);}}/** 压缩一个目录 */private static void compressDirectory(File dir, ZipOutputStream out,String basedir) {if (!dir.exists())return;File[] files = dir.listFiles();for (int i = 0; i < files.length; i++) {/* 递归 */compress(files[i], out, basedir + dir.getName() + File.separator);}}/** 压缩一个文件 */private static void compressFile(File file, ZipOutputStream out,String basedir) {if (!file.exists()) {return;}try {BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));ZipEntry entry = new ZipEntry(basedir + file.getName());out.putNextEntry(entry);int count;byte data[] = new byte[BUFFER];while ((count = bis.read(data, 0, BUFFER)) != -1) {out.write(data, 0, count);}bis.close();} catch (Exception e) {throw new RuntimeException(e);}}@SuppressWarnings("unchecked")public static void unZip(File inFile, String desDir) throws IOException {int i = inFile.getName().lastIndexOf('.');File newdir = new File(desDir);boolean bool = newdir.mkdirs();logMkDir(bool);byte[] c = new byte[1024];int slen;ZipFile zf = new ZipFile(inFile,ZipUtils.fileEncoding);Enumeration enu = zf.getEntries();while (enu.hasMoreElements()) {ZipEntry file = (ZipEntry) enu.nextElement();i = file.getName().replace('/', '\\').lastIndexOf('\\');if (i != -1) {File dirs = new File(desDir + File.separator+ file.getName().replace('/', '\\').substring(0, i));dirs.mkdirs();dirs = null;}if (!file.isDirectory()) {InputStream fi = zf.getInputStream(file);if (fi != null) {FileOutputStream out = new FileOutputStream(desDir+ File.separator + file.getName());while ((slen = fi.read(c, 0, c.length)) != -1) {out.write(c, 0, slen);}out.close();fi.close();}}}zf.close();}private static void logMkDir(boolean bool) {if(bool==false){logger.error("建立解压文件夹失败");}}@SuppressWarnings("unchecked")public static void unZipForUtf8(File inFile, String desDir, String suffix)throws IOException {String[] suffixs = suffix.split(",");List sufList = Arrays.asList(suffixs);int i = inFile.getName().lastIndexOf('.');File newdir = new File(desDir);boolean bool = newdir.mkdirs();logMkDir(bool);byte[] c = new byte[1024];int slen;ZipFile zf = new ZipFile(inFile,ZipUtils.fileEncoding);Enumeration enu = zf.getEntries();while (enu.hasMoreElements()) {ZipEntry file = (ZipEntry) enu.nextElement();i = file.getName().replace('/', '\\').lastIndexOf('\\');if (i != -1) {File dirs = new File(desDir + File.separator+ file.getName().replace('/', '\\').substring(0, i));dirs.mkdirs();dirs = null;}if (!file.isDirectory()) {String fileName = file.getName();String[] fileNames = fileName.split("\\.");String fileSuffix = fileNames[fileNames.length - 1].toLowerCase();InputStream fi = zf.getInputStream(file);if (sufList.contains(fileSuffix)) {String temp;// StringBuffer fileStr = new StringBuffer();// 转编码if (fi != null) {String encoding = new ConvertEncoding().getFileCharacter(fi);fi = zf.getInputStream(file);BufferedReader br = new BufferedReader(new InputStreamReader(fi,StringUtils.isEmpty(encoding) ? DEFAULT_FILE_ENCODING: encoding));BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(desDir + File.separator+ file.getName()), "UTF-8"));while ((temp = br.readLine()) != null) {bw.write(temp);}if (br != null) {bw.close();br.close();}}} else {if (fi != null) {FileOutputStream out = new FileOutputStream(desDir+ File.separator + file.getName());while ((slen = fi.read(c, 0, c.length)) != -1) {out.write(c, 0, slen);}out.close();fi.close();}}}}zf.close();}public static void zip(File inDir, File desFile) throws IOException {byte[] buf = new byte[1024];ZipOutputStream out = new ZipOutputStream(new FileOutputStream(desFile));List<String> list = new ArrayList<String>();list(list, inDir.getAbsolutePath());for (String element : list) {File file = new File(element);if (file.isFile()) {FileInputStream in = new FileInputStream(file);String path = file.getAbsolutePath();int index = path.indexOf(inDir.getName())+ inDir.getName().length() + 1;if (index > path.length() - 1)index = path.length() - 1;path = path.substring(index, path.length());out.putNextEntry(new ZipEntry(path));int len;while ((len = in.read(buf)) > 0) {out.write(buf, 0, len);}out.closeEntry();in.close();}}out.close();}public static void zip(File inDir, OutputStream os) throws IOException {byte[] buf = new byte[1024];ZipOutputStream out = new ZipOutputStream(os);List<String> list = new ArrayList<String>();list(list, inDir.getAbsolutePath());for (String element : list) {File file = new File(element);if (file.isFile()) {FileInputStream in = new FileInputStream(file);String path = file.getAbsolutePath();int index = path.indexOf(inDir.getName())+ inDir.getName().length() + 1;path = path.substring(index, path.length());out.putNextEntry(new ZipEntry(path));int len;while ((len = in.read(buf)) > 0) {out.write(buf, 0, len);}out.closeEntry();in.close();}}out.close();}public static void list(List<String> lst, String path) {File f = new File(path);if (f.isDirectory()) {lst.add(f.getAbsolutePath() + File.separator);String dirs[] = f.list();for (int i = 0; dirs != null && i < dirs.length; i++) {list(lst, f.getAbsolutePath() + File.separator + dirs[i]);}}if (f.isFile()) {lst.add(f.getAbsolutePath());}}}?如题：
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