利用ftp服务器实现文件上传下载

利用ftp服务器实现文件上传下载

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package com.richeninfo.anaplatform.gether.task;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import sun.net.TelnetOutputStream;
import sun.net.TelnetInputStream;
import sun.net.ftp.FtpClient;

/**
 *
 * @author xth
 */
public class TerminalFtp {

    FtpClient ftpClient;

// server：服务器名字
// user：用户名
// password：密码
// path：服务器上的路径
    public void connectServer(String ip, int port, String user, String password, String path) {

        try {
            ftpClient = new FtpClient();
            ftpClient.openServer(ip, port);
            ftpClient.login(user, password);
            System.out.println("login success!");
            if (path.length() != 0) {
                ftpClient.cd(path);
            }
            ftpClient.binary();
        } catch (IOException ex) {
            System.out.println("not login");
            System.out.println(ex);
        }
    }

    public void closeConnect() {
        try {
            ftpClient.closeServer();
            System.out.println("disconnect success");
        } catch (IOException ex) {
            System.out.println("not disconnect");
            System.out.println(ex);
        }
    }

    public void upload(String localfilename,String remotefilename) {
//
//        this.localfilename = "D://test2//test.txt";
//        this.remotefilename = "test.txt";
//System.out.println("localfilename :"+localfilename);
//        System.out.println("remotefilename :"+remotefilename);
        try {
            TelnetOutputStream os = ftpClient.put(remotefilename);
            java.io.File file_in = new java.io.File(localfilename);
            FileInputStream is = new FileInputStream(file_in);
            byte[] bytes = new byte[1024];
            int c;
            while ((c = is.read(bytes)) != -1) {
                os.write(bytes, 0, c);
            }
            System.out.println("upload success");
            is.close();
            os.close();
        } catch (IOException ex) {
            System.out.println("not upload");
            System.out.println(ex);
        }
    }

//    public void download() {
//
//        try {
//            TelnetInputStream is = ftpClient.get(this.remotefilename);
//            java.io.File file_in = new java.io.File(this.localfilename);
//            FileOutputStream os = new FileOutputStream(file_in);
//            byte[] bytes = new byte[1024];
//            int c;
//            while ((c = is.read(bytes)) != -1) {
//// System.out.println((char)is.read());
//// System.out.println(file_in);
//                os.write(bytes, 0, c);
//            }
//
//            System.out.println("download success");
//            os.close();
//            is.close();
//        } catch (IOException ex) {
//            System.out.println("not download");
//            System.out.println(ex);
//        }
//    }

    public void download(String remotePath, String remoteFile, String localFile) {

        try {
            if (remotePath.length() != 0) {
                ftpClient.cd(remotePath);
            }
            TelnetInputStream is = ftpClient.get(remoteFile);
            java.io.File file_in = new java.io.File(localFile);
            FileOutputStream os = new FileOutputStream(file_in);
            byte[] bytes = new byte[1024];
            int c;
            while ((c = is.read(bytes)) != -1) {
// System.out.println((char)is.read());
// System.out.println(file_in);
                os.write(bytes, 0, c);
            }

            System.out.println("download success");
            os.close();
            is.close();
        } catch (IOException ex) {
            System.out.println("not download");
            System.out.println(ex);
        }
    }

    public void download(String remoteFile, String localFile) {

        try {
            TelnetInputStream is = ftpClient.get(remoteFile);
            java.io.File file_in = new java.io.File(localFile);
            FileOutputStream os = new FileOutputStream(file_in);
            byte[] bytes = new byte[1024];
            int c;
            while ((c = is.read(bytes)) != -1) {
// System.out.println((char)is.read());
// System.out.println(file_in);
                os.write(bytes, 0, c);
            }

            System.out.println("download success");
            os.close();
            is.close();
        } catch (IOException ex) {
            System.out.println("not download");
            System.out.println(ex);
        }
    }

    public static void main(String agrs[]) {

        String filepath[] = {"/callcenter/index.jsp", "/callcenter/ip.txt",
            "/callcenter/mainframe/image/processing_bar_2.gif",
            "/callcenter/mainframe/image/logo_01.jpg"};
        String localfilepath[] = {"C:\\FTP_Test\\index.jsp",
            "C:\\FTP_Test\\ip.txt", "C:\\FTP_Test\\processing_bar_2.gif",
            "C:\\FTP_Test\\logo_01.jpg"};

        TerminalFtp fu = new TerminalFtp();
        fu.connectServer("172.16.1.66", 22, "web_test", "123456", "/callcenter");
        for (int i = 0; i < filepath.length; i++) {
            fu.download(filepath[i], localfilepath[i]);
        }

//fu.upload();
//fu.download();
        fu.closeConnect();

    }
}