import java.io.BufferedInputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.List;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import jcifs.smb.SmbFile;import jcifs.smb.SmbFileInputStream;/** * 操作共享文件夹中的文件 */public class ShareFolderUtils {    // 日志    private static final Logger logger = LoggerFactory.getLogger(ShareFolderUtils.class);    public final static String username = "";    public final static String password = "";    public final static String sharefolder = ""; // like : ip/share/    public static void main(String[] args) {        /*        try {            List
     
       fileNames = getFileNames(username, password, sharefolder);            for (String file : fileNames) {                System.out.println(file);            }        } catch (Exception e) {            e.printStackTrace();        }        */        /*        String filePath = sharefolder + "test.txt";        String destination = "D:\\test";        String localfilepath = ShareFolderUtils.loadFile(username, password, filePath, destination);        System.out.println(localfilepath);        */    }    /**     * 下载共享文件夹中的文件     *      * @param username            用户名     * @param password            免密     * @param filePath            共享文件    格式：ip/share/test.txt     * @param destination        本地存储路径    格式：D:\\test     * @return     */    public static String loadFile(String username, String password, String filePath, String destination) {        logger.info(String.format("start load share file %s .", filePath));        long start = System.currentTimeMillis();        InputStream in = null;        OutputStream out = null;        try {            //创建远程文件对象              String url = String.format("smb://%s:%s@%s", username, password, filePath);            SmbFile remoteFile = new SmbFile(url);            //尝试连接              remoteFile.connect();            //创建文件流              in = new BufferedInputStream(new SmbFileInputStream(remoteFile));            String fileName = filePath.substring(filePath.lastIndexOf("/") + 1);            String localFilePath = destination + File.separator + fileName;            out = new FileOutputStream(new File(localFilePath));            //读取文件内容              byte[] buffer = new byte[1024];            int len = 0;            while ((len = in.read(buffer, 0, buffer.length)) != -1) {                out.write(buffer, 0, len);            }            //刷新缓冲的输出流              out.flush();            long seconds = (System.currentTimeMillis() - start) / 1000;            logger.info(String.format("end load share file (%s) . use time (%d) seconds.", filePath, seconds));            return localFilePath;        } catch (Exception e) {            logger.error(e.getMessage(), e);        } finally {            // 关闭流            closeStream(in, out);        }        return null;    }    /**     * 查询共享夹子下有哪些文件     *      * @param username        用户名     * @param password        密码     * @param sharefolder    共享文件夹    格式：ip/share/     */    public static List
      
        getFileNames(String username, String password, String sharefolder) throws Exception {        List
       
         fileNames = new ArrayList
        
         ();        try {            String url = String.format("smb://%s:%s@%s", username, password, sharefolder);            SmbFile file = new SmbFile(url);            if (file.exists()) {                SmbFile[] files = file.listFiles();                for (SmbFile f : files) {                    fileNames.add(f.getName());                }            }        } catch (Exception e) {            e.printStackTrace();            logger.error(e.getMessage(), e);        }        return fileNames;    }    /**     * 关闭输入输出流     */    public static void closeStream(InputStream in, OutputStream out) {        if (null != in) {            try {                in.close();            } catch (IOException e) {                e.printStackTrace();            }        }        if (null != out) {            try {                out.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }}
        
       
      
     

 

 依赖jar

<dependency>

　　<groupId>org.samba.jcifs</groupId>

　　<artifactId>jcifs</artifactId>

　　<version>1.2.19</version>

</dependency>