本文实例为大家分享了java利用SMB读取远程文件的具体代码，供大家参考，具体内容如下
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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
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/z69183787/article/details/14161109