Java 使用JCIFS访问网络文件共享的工具类详解编程语言

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:[email protected]/文件夹/文件名.xxx 
		// test.smbGet("smb://szpcg;jiang.t:[email protected]/Jake/test.txt", 
		// "c://") ; 
		 
//		test.smbPut("smb://szpcg;jiang.t:[email protected]/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:[email protected]/project/report/网上问题智能分析助手使用文档.doc", 
		"c://Temp/"); 
 
	} 
 
}