一、前言

通过ganymed-ssh2（262）的ch.ethz.ssh2.SCPClient的定义ScpClient远程客户端类，实现java实现关于linux的scp命令代码示例。

二、代码示例

package com.xwood.fs.util;@b@@b@import java.io.File;@b@import java.io.FileInputStream;@b@import java.io.FileOutputStream;@b@import java.io.IOException;@b@@b@import ch.ethz.ssh2.Connection;@b@import ch.ethz.ssh2.SCPClient;@b@import ch.ethz.ssh2.SCPInputStream;@b@import ch.ethz.ssh2.SCPOutputStream;@b@@b@public class ScpClient {@b@	@b@	    private static ScpClient instance;@b@	 @b@	    private String ip;@b@	 @b@	    private int port;@b@	 @b@	    private String name;@b@	 @b@	    private String password;@b@	 @b@	    /**@b@	     * 私有化默认构造函数@b@	     * 实例化对象只能通过getInstance@b@	     */@b@	    private ScpClient(){@b@	 @b@	    }@b@	 @b@	    /**@b@	     * 私有化有参构造函数@b@	     * @param ip 服务器ip@b@	     * @param port 服务器端口 22@b@	     * @param name 登录名@b@	     * @param password 登录密码@b@	     */@b@	    private ScpClient(String ip,int port,String name,String password){@b@	        this.ip = ip ;@b@	        this.port = port;@b@	        this.name = name;@b@	        this.password = password;@b@	    }@b@	 @b@	    /**@b@	     * download@b@	     * @param remoteFile 服务器上的文件名@b@	     * @param remoteTargetDirectory 服务器上文件的所在路径@b@	     * @param newPath 下载文件的路径@b@	     */@b@	    public void downloadFile(String remoteFile, String remoteTargetDirectory,String newPath){@b@	        Connection connection = new Connection(ip,port);@b@	 @b@	        try {@b@	            connection.connect();@b@	            boolean isAuthenticated = connection.authenticateWithPassword(name,password);@b@	            if(isAuthenticated){@b@	                SCPClient scpClient = connection.createSCPClient();@b@	                SCPInputStream sis = scpClient.get(remoteTargetDirectory + "/" + remoteFile);@b@	                File f = new File(newPath);@b@	                if(!f.exists()){@b@	                    f.mkdirs();@b@	                }@b@	                File newFile = new File(newPath + remoteFile);@b@	                FileOutputStream fos = new FileOutputStream(newFile);@b@	                byte[] b = new byte[4096];@b@	                int i;@b@	                while ((i = sis.read(b)) != -1){@b@	                    fos.write(b,0, i);@b@	                }@b@	                fos.flush();@b@	                fos.close();@b@	                sis.close();@b@	                connection.close();@b@	                System.out.println("download ok");@b@	            }else{@b@	                System.out.println("连接建立失败");@b@	            }@b@	        } catch (IOException e) {@b@	            e.printStackTrace();@b@	        }@b@	    }@b@	 @b@	    /**@b@	     *  获取服务器上相应文件的流@b@	     * @param remoteFile 文件名@b@	     * @param remoteTargetDirectory 文件路径@b@	     * @return@b@	     * @throws IOException@b@	     */@b@	    public SCPInputStream getStream(String remoteFile, String remoteTargetDirectory) throws IOException {@b@	        Connection connection = new Connection(ip,port);@b@	        connection.connect();@b@	        boolean isAuthenticated = connection.authenticateWithPassword(name,password);@b@	        if(!isAuthenticated){@b@	            System.out.println("连接建立失败");@b@	            return null;@b@	        }@b@	        SCPClient scpClient = connection.createSCPClient();@b@	        return scpClient.get(remoteTargetDirectory + "/" + remoteFile);@b@	    }@b@	 @b@	    /**@b@	     * 上传文件到服务器@b@	     * @param f 文件对象@b@	     * @param length 文件大小@b@	     * @param remoteTargetDirectory 上传路径@b@	     * @param mode 默认为null@b@	     */@b@	    public void uploadFile(File f, String remoteTargetDirectory, String mode) {@b@	        Connection connection = new Connection(ip,port);@b@	 @b@	        try {@b@	            connection.connect();@b@	            boolean isAuthenticated = connection.authenticateWithPassword(name,password);@b@	            if(!isAuthenticated){@b@	                System.out.println("连接建立失败");@b@	                return ;@b@	            }@b@	            SCPClient scpClient = new SCPClient(connection);@b@	            SCPOutputStream os = scpClient.put(f.getName(),f.length(),remoteTargetDirectory,mode);@b@	            byte[] b = new byte[4096];@b@	            FileInputStream fis = new FileInputStream(f);@b@	            int i;@b@	            while ((i = fis.read(b)) != -1) {@b@	                os.write(b, 0, i);@b@	            }@b@	            os.flush();@b@	            fis.close();@b@	            os.close();@b@	            connection.close();@b@	            System.out.println("upload ok");@b@	        } catch (IOException e) {@b@	            e.printStackTrace();@b@	        }@b@	    }@b@	 @b@	 @b@	    /**@b@	     * 单例模式@b@	     * 懒汉式@b@	     * 线程安全@b@	     * @return@b@	     */@b@	    public static ScpClient getInstance(){@b@	        if(null == instance){@b@	            synchronized (ScpClient.class){@b@	                if(null == instance){@b@	                    instance = new ScpClient();  @b@	                }@b@	            }@b@	        }@b@	        return instance;@b@	    }@b@	    @b@	 @b@	    public static ScpClient getInstance(String ip,int port,String name,String password){@b@	        if(null == instance){@b@	            synchronized (ScpClient.class){@b@	                if(null == instance){@b@	                    instance = new ScpClient(ip,port,name,password);@b@	                }@b@	            }@b@	        }@b@	        return instance;@b@	    }@b@	 @b@	    public String getIp() {@b@	        return ip;@b@	    }@b@	 @b@	    public void setIp(String ip) {@b@	        this.ip = ip;@b@	    }@b@	 @b@	    public int getPort() {@b@	        return port;@b@	    }@b@	 @b@	    public void setPort(int port) {@b@	        this.port = port;@b@	    }@b@	 @b@	    public String getName() {@b@	        return name;@b@	    }@b@	 @b@	    public void setName(String name) {@b@	        this.name = name;@b@	    }@b@	 @b@	    public String getPassword() {@b@	        return password;@b@	    }@b@	 @b@	    public void setPassword(String password) {@b@	        this.password = password;@b@	    }@b@	    @b@	    @b@	    public  static  void  main(String[] args){@b@	    	@b@	    	File  f1=new File("C:/Users/nijun/Desktop/QQ截图20181013162821副本.jpg");@b@	    	@b@	    	ScpClient.getInstance("192.168.1.10",22, "root","123456").uploadFile(f1, "/home/temp/", null); @b@	    	@b@	    }@b@@b@@b@}