ZIP包解压缩

一个ZIP压缩包解压的代码,使用了ANT.JAR包解决了解压过程中的中文问题

由于解压后,中文目录名的前一半是用ISO5586-1编码的  后一半是用UTF-8的

所以用一半的编码转换难以实现

java 代码

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
public class FileUnit {
public void unzipFile(String zipFileName) throws Exception {
        try {
                File f = new File(zipFileName);
                ZipFile zipFile = new ZipFile(zipFileName);
                if((!f.exists()) && (f.length() <= 0)) {
                        throw new Exception("要解压的文件不存在!");
                }
                String strPath, gbkPath, strtemp;
                File tempFile = new File(f.getParent());
                strPath = tempFile.getAbsolutePath();
                java.util.Enumeration e = zipFile.getEntries();
                while(e.hasMoreElements()) {
                        org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
                        gbkPath=zipEnt.getName();
                        if(zipEnt.isDirectory()) {
                                strtemp = strPath + "/" + gbkPath;
                                File dir = new File(strtemp);
                                dir.mkdirs();
                                continue;
                        } else {
                                //读写文件
                                InputStream is = zipFile.getInputStream(zipEnt);
                                BufferedInputStream bis = new BufferedInputStream(is);
                                gbkPath=zipEnt.getName();
                                strtemp = strPath + "/" + gbkPath;

                                //建目录
                                String strsubdir = gbkPath;
                                for(int i = 0; i < strsubdir.length(); i++) {
                                        if(strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
                                                String temp = strPath + "/"
                                                        + strsubdir.substring(0, i);
                                                File subdir = new File(temp);
                                                if(!subdir.exists())
                                                        subdir.mkdir();
                                        }
                                }

                                FileOutputStream fos = new FileOutputStream(strtemp);
                                BufferedOutputStream bos = new BufferedOutputStream(fos);
                                int c;
                                while((c = bis.read()) != -1) {
                                        bos.write((byte) c);
                                }
                                bos.close();
                                fos.close();
                        }
                }
        } catch(Exception e) {
                e.printStackTrace();
                throw e;
        }
    }
}

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获取zip包内的目录和文件名 | 在大城市郁闷的工作

• 2007-07-25 21:06
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