JAVA下载sftp文件

1. JAVA下载sftp文件

// 作者：付博
// 功能描述：下载sftp文件
package sftp;

import java.util.Properties;
import com.jcraft.jsch.*;

public class SftpDownload {

    private static final String host = "192.168.131.131";
    private static final int port = 22;
    private static final String username = "fb";
    private static final String passwd = "Fb123456";
    private static final String localFilePath = "C:\\Users\\Administrator\\Desktop\\jiefangdai_callout\\sftp_file\\oracle.txt";
    private static final String downloadFilePath = "/home/fb/test999/oracle.txt";

    private static ChannelSftp channelsftp;


    public static void getconn(String host, int port, String username, String passwd){



        channelsftp = null;
        JSch jsch = new JSch();
        try {

            Session session = jsch.getSession(username,host,port);
            session.setPassword(passwd);
            Properties properties  = new Properties();
            properties.put("StrictHostKeyChecking", "no");
            session.setConfig(properties);
            session.connect();
            Channel channel = session.openChannel("sftp");
            channel.connect();
            channelsftp = (ChannelSftp) channel;

        }
        catch (JSchException e){
            e.printStackTrace();
        }


    }

    public void disconnect() {
        try {
            channelsftp.getSession().disconnect();
        } catch (JSchException e) {
            e.printStackTrace();
        }
        channelsftp.quit();
        channelsftp.disconnect();
    }


    public void download(String downloadFilePath,String localFilePath){

        try {
            channelsftp.get(downloadFilePath, localFilePath);
        }catch(Exception e){
            e.printStackTrace();
            System.out.println("download error.");
        }
    }



    public static void main(String[] args) {

        final SftpDownload SFTPinstance = new SftpDownload();

        try{
            SFTPinstance.getconn(host,port,username,passwd);
            SFTPinstance.download(downloadFilePath,localFilePath);
        }catch(Exception e){
            e.printStackTrace();
        }
        SFTPinstance.disconnect();
    }
}