public class UploadDownloadUtil  {     /**    * 从共享目录拷贝文件到本地    * @param remoteUrl 共享目录上的文件路径    * @param localDir 本地目录    */   public void smbGet(String remoteUrl, String localDir)   {    InputStream in = null;    OutputStream out = null;    try    {     SmbFile remoteFile = new SmbFile(remoteUrl);     //这一句很重要     remoteFile.connect();     if (remoteFile == null)     {      System.out.println("共享文件不存在");      return;     }     String fileName = remoteFile.getName();     File localFile = new File(localDir + File.separator + fileName);     in = new BufferedInputStream(new SmbFileInputStream(remoteFile));     out = new BufferedOutputStream(new FileOutputStream(localFile));     byte[] buffer = new byte[1024];     while (in.read(buffer) != -1)     {      out.write(buffer);      buffer = new byte[1024];     }    }    catch (Exception e)    {     e.printStackTrace();    }    finally    {     try     {      out.close();      in.close();     }     catch (IOException e)     {      e.printStackTrace();     }    }   }     /**    * 从本地上传文件到共享目录    * @Version1.0 Sep 25, 2009 3:49:00 PM    * @param remoteUrl 共享文件目录    * @param localFilePath 本地文件绝对路径    */   public void smbPut(String remoteUrl, String localFilePath)   {    InputStream in = null;    OutputStream out = null;    try    {     File localFile = new File(localFilePath);       String fileName = localFile.getName();     SmbFile remoteFile = new SmbFile(remoteUrl + "/" + fileName);     in = new BufferedInputStream(new FileInputStream(localFile));     out = new BufferedOutputStream(new SmbFileOutputStream(remoteFile));     byte[] buffer = new byte[1024];     while (in.read(buffer) != -1)     {      out.write(buffer);      buffer = new byte[1024];     }    }    catch (Exception e)    {     e.printStackTrace();    }    finally    {     try     {      out.close();      in.close();     }     catch (IOException e)     {      e.printStackTrace();     }    }   }     public static void main(String[] args)   {    UploadDownloadUtil test = new UploadDownloadUtil();    // smb:域名;用户名:密码@目的IP/文件夹/文件名.xxx    // test.smbGet("smb://szpcg;jiang.t:xxx@192.168.193.13/Jake/test.txt",    // "c://") ;      //  test.smbPut("smb://szpcg;jiang.t:xxx@192.168.193.13/Jake",  //    "c://test.txt");            //用户名密码不能有强字符，也就是不能有特殊字符，否则会被作为分断处理    test.smbGet("smb://CHINA;xieruilin:123456Xrl@10.70.36.121/project/report/网上问题智能分析助手使用文档.doc",    "c://Temp/");     }    }