java ftp上传文件 工具类

Posted 2020-10-31 git-niu

package com.learning.spboot.utils;

import com.jcraft.jsch.*;
import org.apache.commons.net.ftp.FTPClient;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import java.util.Vector;


public class FTPUtils {

    //远程服务器地址
    private final static String homeName = "47.104.99.125";
    //ftp端口
    private final static int homePort = 22;

    private final static String userename = "****";
    private final static String password = "*****";
    

    public static String init(String dirPaht,String filepath)
    {

        ChannelSftp sftp = null;
        Channel channel = null;
        Session sshSession = null;

        JSch jscj=new JSch();

        try {

            jscj.getSession(userename,homeName,homePort);
            sshSession=jscj.getSession(userename,homeName,homePort);
            sshSession.setPassword(password);
            Properties sshConfig = new Properties();
            sshConfig.put("StrictHostKeyChecking", "no");
            sshSession.setConfig(sshConfig);
            sshSession.connect();
            if(sshSession.isConnected()) {

                System.out.println("连接成功!");
                System.out.println("Session connected!");
                /*sftp.setFilenameEncoding("UTF-8");
                sftp.*/
                channel = sshSession.openChannel("sftp");
                channel.connect();
                sftp = (ChannelSftp) channel;
                //判断当前上传路径是否存在

                try {
                    Vector <?> vector = sftp.ls(dirPaht);//首次路径不存在，会报错
                    if (vector == null) {
                        //sftp.rmdir(dirPaht);
                        sftp.mkdir(dirPaht);
                    }
                }catch (Exception e){
                    e.getMessage();
                    sftp.mkdir(dirPaht);//创建上传路径

                }
                //切换到目录上传目录下
                sftp.cd(dirPaht);
                File file=new File(filepath);

                String filetype=file.getName().substring(file.getName().lastIndexOf(".")+1);

                String newFileName= new SimpleDateFormat("yyyymmdd").format(new Date())+"."+filetype;

                InputStream ins = new FileInputStream(file);
                //中文名称的
                sftp.put(ins, new String(newFileName.getBytes(),"UTF-8"));





            } else {

                System.out.println("连接失败!");
            }


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

        return null;

    }

    public static void main(String []args ){

        new FTPUtils().init("/java/image/","D:\\开发工具软件\\ideaImg\\011.jpg");
    }

}