<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>3.6</version>
</dependency>
<!-- sftp -->
<dependency>
<groupId>com.jcraft</groupId>
<artifactId>jsch</artifactId>
<version>0.1.54</version>
</dependency>ftp:
java
import org.apache.commons.net.ftp.FTPClient;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
public class FtpTest {
public static void main(String[] args) {
ftpUploadFile("192.168.1.129", 21, "root", "123456",
"D:\\test-ftp.txt",
"/usr/soft");
}
/**
* ftp上传单个文件
*
* @param hostname 服务器地址
* @param port 端口号
* @param username 用户名
* @param password 密码
* @param uploadFilePath 上传文件路径(包括文件名)
* @param destPath ftp上传目录
*/
public static void ftpUploadFile(String hostname, int port, String username, String password, String uploadFilePath, String destPath) {
System.out.println("准备连接到ftp");
try {
FTPClient ftp = new FTPClient();
//连接
ftp.connect(hostname, port);
//登录
boolean loginS = ftp.login(username, password);
if (!loginS) {
System.out.println("ftp登录失败，用户名或密码错误");
return;
} else {
System.out.println("ftp登录成功");
}
// 获取本地文件并上传
String file = uploadFilePath;
FileInputStream input = new FileInputStream(file);
ftp.changeWorkingDirectory(destPath);//跳转目录
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);//必须要设置以二进制的方式传输文件
ftp.enterLocalPassiveMode();//被动模式
file = new String(file.getBytes("GBK"), "iso-8859-1");
if (!ftp.storeFile(new File(file).getName(), input)) {
System.out.println("失败，服务器返回:" + ftp.getReplyString());//获取上传失败的原因
} else {
System.out.println("文件:" + new File(file).getName() + " 上传成功");
}
input.close();
ftp.logout();
} catch (IOException e) {
e.printStackTrace();
System.out.println("ftp连接失败");
}
}
}sftp:
java
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.SftpException;
import java.io.*;
import java.util.Properties;
import java.util.Vector;
public class SfptTest {
public static void main(String[] args) {
uploadFile("D:\\test-ftp.txt",
"/usr/soft/",
"root", "123456",
"192.168.1.130", 22);
}
/**
* @param filePath 文件全路径
* @param ftpPath 上传到目的端目录
* @param username
* @param password
* @param host
* @param port
*/
public static void uploadFile(String filePath, String ftpPath, String username, String password, String host, Integer port) {
FileInputStream input = null;
ChannelSftp sftp = null;
try {
JSch jsch = new JSch();
//获取session 账号-ip-端口
com.jcraft.jsch.Session sshSession = jsch.getSession(username, host, port);
//添加密码
sshSession.setPassword(password);
Properties sshConfig = new Properties();
//严格主机密钥检查
sshConfig.put("StrictHostKeyChecking", "no");
sshSession.setConfig(sshConfig);
//开启session连接
sshSession.connect();
//获取sftp通道
sftp = (ChannelSftp) sshSession.openChannel("sftp");
//开启
sftp.connect();
//文件乱码处理
/*Class<ChannelSftp> c = ChannelSftp.class;
Field f = c.getDeclaredField("server_version");
f.setAccessible(true);
f.set(sftp, 2);
sftp.setFilenameEncoding("GBK");*/
//判断目录是否存在
try {
Vector ls = sftp.ls(ftpPath); //ls()得到指定目录下的文件列表
/*if (ls == null) { //ls不会为null，哪怕它是一个空目录
sftp.mkdir(ftpPath);
}*/
} catch (SftpException e) {
sftp.mkdir(ftpPath);
}
sftp.cd(ftpPath);
String filename = filePath.substring(filePath.lastIndexOf(File.separator) + 1); //附件名字
//filename = new String(filename.getBytes("GBK"), StandardCharsets.ISO_8859_1);
input = new FileInputStream(new File(filePath));
sftp.put(input, filename);
//设定777权限，转为8进制放入chmod中
//sftp.chmod(Integer.parseInt("777", 8), ftpPath + filename);
input.close();
sftp.disconnect();
sshSession.disconnect();
System.out.println("================上传成功！==================");
} catch (Exception e) {
System.out.println("================上传失败！==================");
e.printStackTrace();
}
}
/**
* @param directory SFTP服务器的文件路径
* @param downloadFile SFTP服务器上的文件名
* @param saveFile 保存到本地路径
* @param username
* @param password
* @param host
* @param port
*/
public static void downloadFile(String directory, String downloadFile, String saveFile, String username, String password, String host, Integer port) throws JSchException, IOException {
ChannelSftp sftp = null;
try {
JSch jsch = new JSch();
//获取session 账号-ip-端口
com.jcraft.jsch.Session sshSession = jsch.getSession(username, host, port);
//添加密码
sshSession.setPassword(password);
Properties sshConfig = new Properties();
//严格主机密钥检查
sshConfig.put("StrictHostKeyChecking", "no");
sshSession.setConfig(sshConfig);
//开启session连接
sshSession.connect();
//获取sftp通道
sftp = (ChannelSftp) sshSession.openChannel("sftp");
//开启
sftp.connect();
if (directory != null && !"".equals(directory)) {
sftp.cd(directory);
}
FileOutputStream output = new FileOutputStream(new File(saveFile));
sftp.get(downloadFile, output);
output.close();
sftp.disconnect();
sshSession.disconnect();
System.out.println("================下载成功！==================");
} catch (SftpException | FileNotFoundException | JSchException e) {
System.out.println("文件下载异常！");
} catch (IOException e) {
e.printStackTrace();
}
}
}