使用 JSch 完成本地文件上传服务器

        <dependency>
            <groupId>com.jcraft</groupId>
            <artifactId>jsch</artifactId>
            <version>0.1.55</version>
        </dependency>

import com.jcraft.jsch.*;

public class SFTPUploader {
    public static void main(String[] args) {
        String host = "服务器地址";
        String username = "用户名";
        String password = "密码";
        int port = 22;
        String localFilePath = "本地文件路径";
        String remoteDirectoryPath = "服务器目录路径";
        
        Session session = null;
        ChannelSftp channelSftp = null;
        
        try {
            JSch jsch = new JSch();
            session = jsch.getSession(username, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            channelSftp = (ChannelSftp) session.openChannel("sftp");
            channelSftp.connect();
            
            // 获取本地文件名和路径
            String localFileName = localFilePath.substring(localFilePath.lastIndexOf("/") + 1);
            String localFilePathWithoutName = localFilePath.substring(0, localFilePath.lastIndexOf("/"));
            
            // 将本地文件上传到服务器并重命名为.tmp
            channelSftp.put(localFilePath, remoteDirectoryPath + "/" + localFileName + ".tmp");

            // 修改文件名为原名
            channelSftp.rename(remoteDirectoryPath + "/" + localFileName + ".tmp", remoteDirectoryPath + "/" + localFileName);

            System.out.println("文件上传成功！");
        } catch (JSchException | SftpException e) {
            e.printStackTrace();
            System.out.println("文件上传失败！");
        } finally {
            if (channelSftp != null) {
                channelSftp.disconnect();
            }
            if (session != null) {
                session.disconnect();
            }
        }
    }
}