java 利用SMB读取远程文件

Java代码


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

}