解决java压缩、解压缩含中文字符的文件或文件夹问题

package com.zip; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.zip.ZipException; import java.util.zip.ZipFile; import com.agile.zip.CnZipInputStream; import com.agile.zip.CnZipOutputStream; import com.agile.zip.ZipEntry; /** *文件名：CnZipFileDemo.java<br> *@author liuzx<br> *版本:<br> *描述：对JDK的java.util.zip下的ZipInputStream和ZipOutputStream类进行改造， * 重新生成CnZipInputStream和CnZipOutputStream类，增加了指定字符集编码功能， * 以解决压缩和解压缩文件时的中文文件名问题<br> * 所有改造的类文件都在com.agile.zip目录下。也可以将该目录下的类文件打成jar包使用。 *创建时间:2008-4-15 下午02:21:02<br> *文件描述：<br> *修改者：<br> *修改日期：<br> *修改描述：<br> */ public class CnZipFileDemo { /** * 显示zip压缩文件中的文件列表 * @param zipfilename 压缩文件的路径及名称 * @throws Exception */ public void getZipFilesList(String zipfilename) { try { FileInputStream in = new FileInputStream(zipfilename); CnZipInputStream jins = null; jins = new CnZipInputStream(in); //System.out.println(jins.encoding); long dataSize = 0; String fileName = null; String destFileName = null; ZipEntry jarentry = null; while (jins.available() > 0) { jarentry = jins.getNextEntry(); if (jarentry == null) { break; } if (jarentry.isDirectory()){ continue; } fileName = jarentry.getName(); dataSize = jarentry.getSize(); System.out.println(fileName + ":" + dataSize); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println("文件不存在！"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println("文件读取失败！"); } } /** * 将文件（或文件夹）进行压缩为指定的zip文件 * @param inputFileName 要压缩的文件或文件夹 * @param outputFileName 压缩后的zip文件 * @param encoding 指定字符集编码，默认为UTF-8 * @throws Exception */ public void zip(String inputFileName, String outputFileName) throws Exception { zip(inputFileName,outputFileName,"UTF-8"); } public void zip(String inputFileName, String outputFileName,String encoding) throws Exception { if(encoding==null || encoding.equals("")) encoding = "UTF-8"; File file = new File(outputFileName); if(file.exists()){//如果要压缩后的zip文件已经存在，则先将该文件删除 file.delete(); } CnZipOutputStream out = new CnZipOutputStream(new FileOutputStream(outputFileName),encoding); zip(out, new File(inputFileName), ""); System.out.println("压缩完成！"); out.close(); } private void zip(CnZipOutputStream out, File f, String base) throws Exception { if (f.isDirectory()) {//文件夹 File[] fl = f.listFiles(); // if (System.getProperty("os.name").startsWith("Windows")) {//Windows系统 // //out.putNextEntry(new ZipEntry(base + "\\")); // base = base.length() == 0 ? "" : base + "\\"; // } else { // //out.putNextEntry(new ZipEntry(base + "/")); // base = base.length() == 0 ? "" : base + "/"; // } out.putNextEntry(new ZipEntry(base + "/")); base = base.length() == 0 ? "" : base + "/"; for (int i = 0; i < fl.length; i++) { System.out.println("i="+i+","+fl[i].getName()); zip(out, fl[i], base + fl[i].getName()); } } else {//文件 if(base.length()==0){//当base为空时，表示是压缩指定的一个文件，否则就是压缩文件夹下的所有文件 base = f.getName(); } out.putNextEntry(new ZipEntry(base)); FileInputStream in = new FileInputStream(f); int b; System.out.println(base); /**** while ((b = in.read()) != -1) { out.write(b); } /****/ byte[] buffer = new byte[1024];//提高文件压缩的速度 while ((b = in.read(buffer)) != -1) { out.write(buffer,0,b); } in.close(); } } /** * 将指定的zip文件解压到指定的目录下,如果文件已存在则覆盖。 * @param compress zip压缩文件,如 D:/doc_c06_net.zip * @param decompression 解压路径,如 D:/doc_redcome_com/ * @param encoding 解压字符集编码,默认为UTF-8 * @throws Exception */ public void dezip(String compress,String decompression){ dezip(compress,decompression,null); } public void dezip(String compress,String decompression,String encoding){ if(encoding==null || encoding.equals("")) encoding = "UTF-8"; File infile = new File(compress); File dir = new File(decompression); try { // 检查是否是ZIP文件 ZipFile zip = new ZipFile(infile); zip.close(); // 建立与目标文件的输入连接 CnZipInputStream in = new CnZipInputStream(new FileInputStream(infile), encoding); ZipEntry file = in.getNextEntry(); System.out.println(in.encoding); byte[] c = new byte[1024]; int len; int slen; while (file != null) { String zename = file.getName(); if (file.isDirectory()) { File files = new File(dir.getAbsolutePath() + "/" + zename); //在指定解压路径下建子文件夹 //System.out.println(files.getAbsolutePath()); files.mkdirs();//新建文件夹 } else { File files = new File(dir.getAbsolutePath() + "/" + zename).getParentFile();//当前文件所在目录 //System.out.println(files.getAbsolutePath()); if (!files.exists()) {//如果目录文件夹不存在，则创建 files.mkdirs(); } FileOutputStream out = new FileOutputStream(dir.getAbsolutePath() + "/" + zename); while ((slen = in.read(c, 0, c.length)) != -1) out.write(c, 0, slen); out.close(); } //System.out.print(zename+" O.K.\n"); file = in.getNextEntry(); } in.close(); } catch (ZipException zipe) { System.out.println(infile.getName() + "不是一个ZIP文件！文件格式错误"); } catch (IOException ioe) { System.out.println("读取" + compress + "时错误！文件读取错误"); } catch (Exception i) { System.out.println("over"); } } public static void main(String[] args) { CnZipFileDemo zt = new CnZipFileDemo(); zt.getZipFilesList("c:/sqlite.zip");//显示zip文件内容 try { zt.zip("c:/kvmfile/", "c:/kvm日志.zip","GBK");//压缩文件 } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } try { zt.dezip("c:/kvm日志.zip", "c:/kvmlog");//解压缩文件 zt.dezip("c:/联系.zip", "c:/liuzx");//解压缩文件 } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }