java 利用SMB读取远程文件

package  com.yss.test.FileReadWriter;

import  java.io.BufferedInputStream;
import  java.io.BufferedOutputStream;
import  java.io.File;
import  java.io.FileInputStream;
import  java.io.FileOutputStream;
import  java.io.IOException;
import  java.io.InputStream;
import  java.io.OutputStream;
import  java.net.MalformedURLException;

import  jcifs.smb.SmbFile;
import  jcifs.smb.SmbFileInputStream;
import  jcifs.smb.SmbFileOutputStream;

public   class  RemoteAccessData {

    /**
     * @param args
     * @throws IOException
     */
    public   static   void  main(String[] args)  throws  IOException {
        smbGet1("smb://192.168.75.204/test/新建 文本文档.txt" );
        smbGet("smb://192.168.75.204/test/新建 文本文档.txt" , "e:/" );
    }

    /**
     * 方法一：
     *
     * @param remoteUrl
     *            远程路径 smb://192.168.75.204/test/新建 文本文档.txt
     * @throws IOException
     */
    public   static   void  smbGet1(String remoteUrl)  throws  IOException {
        SmbFile smbFile = new  SmbFile(remoteUrl);
        int  length = smbFile.getContentLength(); // 得到文件的大小
        byte  buffer[] =  new   byte [length];
        SmbFileInputStream in = new  SmbFileInputStream(smbFile);
        // 建立smb文件输入流
        while  ((in.read(buffer)) != - 1 ) {

            System.out.write(buffer);
            System.out.println(buffer.length);
        }
        in.close();
    }

    // 从共享目录下载文件
    /**
     * 方法二：
     *    路径格式：smb://192.168.75.204/test/新建 文本文档.txt
     *              smb://username:password@192.168.0.77/test
     * @param remoteUrl
     *            远程路径
     * @param localDir
     *            要写入的本地路径
     */
    public   static   void  smbGet(String remoteUrl, String localDir) {
        InputStream in = null ;
        OutputStream out = null ;
        try  {
            SmbFile remoteFile = new  SmbFile(remoteUrl);
            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();
            }
        }
    }

    // 向共享目录上传文件
    public   static   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();
            }
        }
    }

    // 远程url smb://192.168.0.77/test
    // 如果需要用户名密码就这样：
    // smb://username:password@192.168.0.77/test

}