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:[email protected]/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:[email protected]/test

}
//所需要的jar包：jcifs-1.3.14.jar