JAVA 解压文件

来源：互联网发布：ubuntu 安装apache 编辑：程序博客网时间：2024/05/01 19:42

转自：http://blog.csdn.net/isea533/article/details/7995472

//先下载zip.jar,然后执行以下代码

public class UnZip {

   /**
     * 解压到指定目录
     * @param zipPath
     * @param descDir
     * @author isea533
     */
    public static void unZipFiles(String zipPath,String descDir)throws IOException{
        unZipFiles(new File(zipPath), descDir);
    }
    /**
     * 解压文件到指定目录
     * @param zipFile
     * @param descDir
     * @author isea533
     */
    @SuppressWarnings("rawtypes")
    public static void unZipFiles(File zipFile,String descDir)throws IOException{
        File pathFile = new File(descDir);
        if(!pathFile.exists()){
            pathFile.mkdirs();
        }
        ZipFile zip = new ZipFile(zipFile);
        for(Enumeration entries = zip.getEntries();entries.hasMoreElements();){
            ZipEntry entry = (ZipEntry)entries.nextElement();
            String zipEntryName = entry.getName();
            InputStream in = zip.getInputStream(entry);
            String outPath = (descDir+zipEntryName).replaceAll("\\*", "/");;
            //判断路径是否存在,不存在则创建文件路径
            File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
            if(!file.exists()){
                file.mkdirs();
            }
            //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
            if(new File(outPath).isDirectory()){
                continue;
            }
            //输出文件路径信息
            System.out.println(outPath);

            OutputStream out = new FileOutputStream(outPath);
            byte[] buf1 = new byte[1024];
            int len;
            while((len=in.read(buf1))>0){
                out.write(buf1,0,len);
            }
            in.close();
            out.close();
            }
        System.out.println("******************解压完毕********************");
    }

    public static void main(String[] args) {
       /**
         * 解压文件
         */
        File zipFile = new File("c:/test.zip");
        String path = "c:/test/";
        try {
           UnZip.unZipFiles(zipFile, path);
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
   }
}

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