sun提供的zip缺少对中文的支持，借助ant.jar实现对中文的处理！

package ant;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;

import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Zip;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;

/**
 * @file_name ZipAndUnzip
 * @description 使用ant.jar实现压缩解压缩
 * @author 张明亮
 * @date 2009.8.30
 */
public class ZipAndUnzip {
 /**
  * @param zipFileName 指定压缩文件
  * @param destDir 指定解压目录
  * @throws Exception
  */
 public static void unzip(String zipFileName, String destDir)
   throws Exception {
  try {
   ZipFile zipFile = new ZipFile(zipFileName);
   Enumeration<?> e = zipFile.getEntries();
   ZipEntry zipEntry = null;
   File fD = new File(destDir);
   if(!fD.exists()){
    fD.mkdir();
   }
   while (e.hasMoreElements()) {
    zipEntry = (ZipEntry) e.nextElement();
    String entryName = zipEntry.getName();
    String names[] = entryName.split("/");
    int length = names.length;
    String path = destDir;
    for (int v = 0; v < length; v++) {
     if (v < length - 1) {
      path += "/" + names[v];
      new File(path).mkdir();
     } else {
      if (entryName.endsWith("/")) {
       new File(destDir + "/" + entryName).mkdir();
      } else {
       InputStream in = zipFile.getInputStream(zipEntry);
       OutputStream os = new FileOutputStream(new File(
         destDir + "/" + entryName));
       byte[] buf = new byte[1024];
       int len;
       while ((len = in.read(buf)) > 0) {
        os.write(buf, 0, len);
       }
       in.close();
       os.close();
      }
     }
    }
   }
   zipFile.close();

  } catch (Exception ex) {
   ex.printStackTrace();
  }

  // try {
  // Project prj1 = new Project();
  // Expand expand = new Expand();
  // expand.setProject(prj1);
  // expand.setSrc(new File("d:/tempsrc.zip"));
  // expand.setOverwrite(false);
  //
  // File f = new File("d:/resultZip");
  // expand.setDest(f);
  // expand.execute();
  // } catch (Exception e) {
  // e.printStackTrace();
  // }
 }
 
 /**
  * @param targetZip 目标ZIP
  * @param sourceFile 源文件
  */
 public static void zip(String targetZip, String sourceFile){
  Project prj = new Project();
  Zip zip = new Zip();
  zip.setProject(prj);
  zip.setDestFile(new File(targetZip));
  FileSet fileSet = new FileSet();
  fileSet.setProject(prj);
  fileSet.setDir(new File(sourceFile));
  // fileSet.setIncludes("**/*.txt");
  zip.addFileset(fileSet);
  zip.execute();
 }

 public static void main(String[] args) {

  // ============
  try {
   zip("d:/tempsrc.zip", "d:/ziptest");
   unzip("d:/tempsrc.zip", "d:/resultZip");
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
}