FTP，FTP该如何进行连接，如何配置连接工具

public void putTxtToFTP() {

        System.out.println("开始执行定时器任务：维系一键订单量！");

        Calendar calendar = Calendar.getInstance();

        calendar.add(Calendar.DATE, -1); //得到前一天

        Date date = calendar.getTime();

        SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");

        String yesterday = df.format(date);

 

        StringBuffer yjtjOrderTxt = new StringBuffer();

        yjtjOrderTxt.append("yjtywx_").append(yesterday).append(".txt");

 

 

        List<WxActiveData> yjtjOrderList = activeDataService.wxGetYjtjOrder();

 

        //FtpUtil ftpUtil = new FtpUtil("hexin","hx105155","134.64.105.155", "/yjtydd");  //测试库FTP

        FtpUtil ftpUtil = new FtpUtil("ahftp","ahdx@#$_123dic","192.168.0.28", "/yjtydd");     

        PrintWriter printWriter = null;

        File highFeeFile = new File(Contants.FILE_PATH_BAK + yjtjOrderTxt);//Contants.FILE_PATH_BAK = "/opt/wss/domains/tmp/"

 

//      File highFeeFile = new File("D:/" + highFeeTxt);

//      File gjmyFile = new File("D:/" + gjmyTxt);

        //File highFeeFile = new File("D:/" + yjtjOrderTxt);

        try {

            printWriter = new PrintWriter(new FileWriter(highFeeFile, true));

            for (int i = 0; i < yjtjOrderList.size(); i++){

                printWriter.println(yjtjOrderList.get(i).toString().trim());

            }

        } catch (IOException e) {

            System.out.println("主动服务 高额数据报表任务异常！");

        }finally{

            printWriter.close();

        }

        if(highFeeFile.exists()){

            System.out.println("主动服务定时器任务 高额数据 上传成功"+yjtjOrderTxt.toString());

            ftpUtil.uploadFile(highFeeFile, yjtjOrderTxt.toString());

        }else{

            System.out.println("主动服务定时器任务 高额数据 上传失败"+yjtjOrderTxt.toString());

        }

 

        System.out.println("服务器批量查排名-查询结果");

 

    }

 

    public ActiveDataService getActiveDataService() {

        return activeDataService;

    }

 

    public void setActiveDataService(ActiveDataService activeDataService) {

        this.activeDataService = activeDataService;

    }