Springboot实现文件上传至linux指定目录

<!--        添加sftp依赖-->
    <dependency>
        <groupId>com.jcraft</groupId>
        <artifactId>jsch</artifactId>
        <version>0.1.55</version>
    </dependency>

sftp_ubantu:
  host: 192.168.000.000    //你的linux的ip
  port: 22                 //端口号
  username: root            //用户名
  password: *********
  remoteDir: /XXXX/XXXX/XXXX  //指定文件路径

import com.jcraft.jsch.*;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import java.io.IOException;
import java.io.InputStream;


@Component
public class SFTPUtil {
    private static String host;
    @Value("${sftp_ubantu.host}")
    public void setHost(String host) {
        SFTPUtil.host = host;
    }

    private static Integer port;
    @Value("${sftp_ubantu.port}")
    public void setPort(Integer port) {
        SFTPUtil.port = port;
    }

    private static String username;
    @Value("${sftp_ubantu.username}")
    public void setUsername(String username) {
        SFTPUtil.username = username;
    }

    private static String password;
    @Value("${sftp_ubantu.password}")
    public void setPassword(String password) {
        SFTPUtil.password = password;
    }

    private static String remoteDir;
    @Value("${sftp_ubantu.remoteDir}")
    public void setRemoteDir(String remoteDir) {
        SFTPUtil.remoteDir = remoteDir;
    }

    public static void uploadFile(InputStream inputStream, String fileName) throws IOException, JSchException, SftpException {
        // TODO Auto-generated method stub
        Session session = null;
        Channel channel = null;
        JSch jsch = new JSch();
        try {
            //创建会话
            session = jsch.getSession(username, host, port != null ? port : 22);
            //设置密码
            //设置密码
            session.setPassword(password);
            //设置第一次登陆的时候提示，可选值：(ask | yes | no)
            session.setConfig("StrictHostKeyChecking", "no");
            //设置连接超时时间
            session.connect(30000);
            //创建sftp通信通道
            channel = session.openChannel("sftp");
            channel.connect(1000);
            //创建sftp客户端
            ChannelSftp sftp = (ChannelSftp) channel;
            //进入远程目录
            sftp.cd(remoteDir);
            //上传文件
            sftp.put(inputStream, fileName);
            inputStream.close();
        }  finally {
            //关流操作
            if (session != null) {
                session.disconnect();
            }
            if (channel != null) {
                channel.disconnect();
            }
        }
    }

}

import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.SftpException;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.io.InputStream;

@RestController
@RequestMapping("/test")
public class FileController {
    //上传文件
    @PostMapping("/upload")
    public Result uploadFile(@RequestParam("file") MultipartFile file) {
        if (file.isEmpty()) {
            return Result.error("文件为空,请重新上传文件");
        }
        InputStream inputStream = null;
        try {
            inputStream = file.getInputStream();
            SFTPUtil.uploadFile(inputStream, file.getOriginalFilename());
            return Result.success("文件上传成功");
        } catch (IOException | JSchException | SftpException e) {
            return Result.error("文件上传失败"+e.getMessage());
        }finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }
}

sudo apt update
sudo apt upgrade -y

sudo apt install vsftpd

sudo systemctl status vsftpd

sudo vim /etc/vsftpd.conf

//允许写命令
write_enable=YES
//允许上传
upload_enable=YES

sudo systemctl resatrt vsftpd

sudo apt install openssh-server -y

sudo systemctl status ssh

sudo systemctl start ssh

sudo ufw allow 22/tcp