使用不带FTP协议的java将文件从windows复制到远程linux计算机_Java_Linux_Windows_Io

使用不带FTP协议的java将文件从windows复制到远程linux计算机

java linux windows io

使用不带FTP协议的java将文件从windows复制到远程linux计算机,java,linux,windows,io,Java,Linux,Windows,Io,是否有任何方法可以使用java而不使用FTP协议将文件从windows复制到远程linux计算机？使用java套接字传输文件服务器/发送方 import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.ServerSocket; imp

是否有任何方法可以使用java而不使用FTP协议将文件从windows复制到远程linux计算机？

使用java套接字传输文件

服务器/发送方

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;

public class Sender {
    public static Scanner scanner;
    /**
     * 
     * @param args
     * this function collect all required data from user.
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException
    {
        String fileLocation;
        int portNo;
        scanner=new Scanner(System.in);
        System.out.println("Enter port number of machine(e.g. '2000') :");
        portNo=scanner.nextInt();
        System.out.println("Please enter file location with file name (e.g. 'D:\\abc.txt'): ");
        fileLocation=scanner.next();
         Sender.send(portNo,fileLocation);
    }
    /**
     * this function actually transfers file
     * @param portNo
     * @param fileLocation
     * @return
     * @throws IOException 
     */
    public static  void send(int portNo,String fileLocation) throws IOException
    {

        FileInputStream fileInputStream = null;
        BufferedInputStream bufferedInputStream = null;

        OutputStream outputStream = null;
        ServerSocket serverSocket = null;
        Socket socket = null;

        //creating connection between sender and receiver
        try {
            serverSocket = new ServerSocket(portNo);
            System.out.println("Waiting for receiver...");
                try {
                        socket = serverSocket.accept();
                        System.out.println("Accepted connection : " + socket);
                        //connection established successfully

                        //creating object to send file
                        File file = new File (fileLocation);
                        byte [] byteArray  = new byte [(int)file.length()];
                        fileInputStream = new FileInputStream(file);
                        bufferedInputStream = new BufferedInputStream(fileInputStream);
                        bufferedInputStream.read(byteArray,0,byteArray.length); // copied file into byteArray

                        //sending file through socket
                        outputStream = socket.getOutputStream();
                        System.out.println("Sending " + fileLocation + "( size: " + byteArray.length + " bytes)");
                        outputStream.write(byteArray,0,byteArray.length);           //copying byteArray to socket
                        outputStream.flush();                                       //flushing socket
                        System.out.println("Done.");                                //file has been sent
                    }
                    finally {
                        if (bufferedInputStream != null) bufferedInputStream.close();
                        if (outputStream != null) bufferedInputStream.close();
                        if (socket!=null) socket.close();
                    }       
            } catch (IOException e) {

                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            finally {
                if (serverSocket != null) serverSocket.close();
            }
    }
}

客户/接收人

import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.util.Scanner;

public class Receiver {


    public static Scanner scanner;


    public static void main (String [] args ) throws IOException {


        String fileLocation,ipAddress;
        int portNo;
        scanner=new Scanner(System.in);
        System.out.println("Enter ipAddress of machine(if you are testing this on same machine than enter 127.0.0.1) :");
        ipAddress=scanner.next();

        System.out.println("Enter port number of machine(e.g. '2000') :");
        portNo=scanner.nextInt();
        System.out.println("Please enter file location with file name to save (e.g. 'D:\\abc.txt'): ");     //you can modify this program to receive file name from server and then you can skip this step
        fileLocation=scanner.next();
        Receiver.receiveFile(ipAddress, portNo, fileLocation);


    }
    public static void receiveFile(String ipAddress,int portNo,String fileLocation) throws IOException
    {

        int bytesRead=0;
        int current = 0;
        FileOutputStream fileOutputStream = null;
        BufferedOutputStream bufferedOutputStream = null;
        Socket socket = null;
        try {

            //creating connection.
            socket = new Socket(ipAddress,portNo);
            System.out.println("connected.");

            // receive file
            byte [] byteArray  = new byte [6022386];                    //I have hard coded size of byteArray, you can send file size from socket before creating this.
            System.out.println("Please wait downloading file");

            //reading file from socket
            InputStream inputStream = socket.getInputStream();
            fileOutputStream = new FileOutputStream(fileLocation);
            bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
            bytesRead = inputStream.read(byteArray,0,byteArray.length);                 //copying file from socket to byteArray

            current = bytesRead;
            do {
                bytesRead =inputStream.read(byteArray, current, (byteArray.length-current));
                if(bytesRead >= 0) current += bytesRead;
            } while(bytesRead > -1);
            bufferedOutputStream.write(byteArray, 0 , current);                         //writing byteArray to file
            bufferedOutputStream.flush();                                               //flushing buffers

            System.out.println("File " + fileLocation  + " downloaded ( size: " + current + " bytes read)");
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        finally {
            if (fileOutputStream != null) fileOutputStream.close();
            if (bufferedOutputStream != null) bufferedOutputStream.close();
            if (socket != null) socket.close();
        }
    }
}

使用java套接字传输文件
服务器/发送方

import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; import java.util.Scanner; public class Sender { public static Scanner scanner; /** * * @param args * this function collect all required data from user. * @throws IOException */ public static void main(String[] args) throws IOException { String fileLocation; int portNo; scanner=new Scanner(System.in); System.out.println("Enter port number of machine(e.g. '2000') :"); portNo=scanner.nextInt(); System.out.println("Please enter file location with file name (e.g. 'D:\\abc.txt'): "); fileLocation=scanner.next(); Sender.send(portNo,fileLocation); } /** * this function actually transfers file * @param portNo * @param fileLocation * @return * @throws IOException */ public static void send(int portNo,String fileLocation) throws IOException { FileInputStream fileInputStream = null; BufferedInputStream bufferedInputStream = null; OutputStream outputStream = null; ServerSocket serverSocket = null; Socket socket = null; //creating connection between sender and receiver try { serverSocket = new ServerSocket(portNo); System.out.println("Waiting for receiver..."); try { socket = serverSocket.accept(); System.out.println("Accepted connection : " + socket); //connection established successfully //creating object to send file File file = new File (fileLocation); byte [] byteArray = new byte [(int)file.length()]; fileInputStream = new FileInputStream(file); bufferedInputStream = new BufferedInputStream(fileInputStream); bufferedInputStream.read(byteArray,0,byteArray.length); // copied file into byteArray //sending file through socket outputStream = socket.getOutputStream(); System.out.println("Sending " + fileLocation + "( size: " + byteArray.length + " bytes)"); outputStream.write(byteArray,0,byteArray.length); //copying byteArray to socket outputStream.flush(); //flushing socket System.out.println("Done."); //file has been sent } finally { if (bufferedInputStream != null) bufferedInputStream.close(); if (outputStream != null) bufferedInputStream.close(); if (socket!=null) socket.close(); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (serverSocket != null) serverSocket.close(); } } }
客户/接收人

import java.io.BufferedOutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.Socket; import java.util.Scanner; public class Receiver { public static Scanner scanner; public static void main (String [] args ) throws IOException { String fileLocation,ipAddress; int portNo; scanner=new Scanner(System.in); System.out.println("Enter ipAddress of machine(if you are testing this on same machine than enter 127.0.0.1) :"); ipAddress=scanner.next(); System.out.println("Enter port number of machine(e.g. '2000') :"); portNo=scanner.nextInt(); System.out.println("Please enter file location with file name to save (e.g. 'D:\\abc.txt'): "); //you can modify this program to receive file name from server and then you can skip this step fileLocation=scanner.next(); Receiver.receiveFile(ipAddress, portNo, fileLocation); } public static void receiveFile(String ipAddress,int portNo,String fileLocation) throws IOException { int bytesRead=0; int current = 0; FileOutputStream fileOutputStream = null; BufferedOutputStream bufferedOutputStream = null; Socket socket = null; try { //creating connection. socket = new Socket(ipAddress,portNo); System.out.println("connected."); // receive file byte [] byteArray = new byte [6022386]; //I have hard coded size of byteArray, you can send file size from socket before creating this. System.out.println("Please wait downloading file"); //reading file from socket InputStream inputStream = socket.getInputStream(); fileOutputStream = new FileOutputStream(fileLocation); bufferedOutputStream = new BufferedOutputStream(fileOutputStream); bytesRead = inputStream.read(byteArray,0,byteArray.length); //copying file from socket to byteArray current = bytesRead; do { bytesRead =inputStream.read(byteArray, current, (byteArray.length-current)); if(bytesRead >= 0) current += bytesRead; } while(bytesRead > -1); bufferedOutputStream.write(byteArray, 0 , current); //writing byteArray to file bufferedOutputStream.flush(); //flushing buffers System.out.println("File " + fileLocation + " downloaded ( size: " + current + " bytes read)"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (fileOutputStream != null) fileOutputStream.close(); if (bufferedOutputStream != null) bufferedOutputStream.close(); if (socket != null) socket.close(); } } }

实现这一点的方法不止一种。您可以使用套接字、RMI等将文件从windows传输到linux或linux传输到windows您可以使用scp，使用JSch有多种方法可以实现这一点。您可以使用套接字、RMI等将文件从windows传输到linux或linux传输到windows。您可以使用JSch执行scp。此代码不起作用。客户端忽略流的结尾，因此它从不停止从连接读取数据。它还假设整个文件适合内存，并且其大小适合
int
。此代码不起作用。客户端忽略流的结尾，因此它从不停止从连接读取数据。它还假设整个文件适合内存，并且其大小适合
int
。