zabbix监控模块中Linux主机数据上传和下载的模拟环境测试（Java实现）

SftpUtil.java

package uoload;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.Properties;
import java.util.Vector;

import org.apache.commons.io.IOUtils;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;



/**
 * Created by xianggongtao on 2018/5/12
 */
public class SftpUtil {

	//private transient Logger log = LoggerFactory.getLogger(this.getClass());

    public static String installFilePath = "/opt/yfjz";
    public static String toolServerIpAddr = "192.168.3.132";
    public static int serverPort = 22;

    public ChannelSftp sftp ;
    //private Session session = null;
    /** FTP 登录用户名*/
    private String username;
    /** FTP 登录密码*/
    private String password;
    /** 私钥 */
    private String privateKey;
    /** FTP 服务器地址IP地址*/
    private String host;
    /** FTP 端口*/
    private int port;
    //private Channel channel = null;
    /**  
      * 构造基于密码认证的sftp对象
      * @param username
      * @param password
      * @param host
      * @param port
      */
    public SftpUtil(String username, String password, String host, int port) {
        this.username = username;
        this.password = password;
        this.host = host;
        this.port = port;
    }
    /**  
          * 构造基于秘钥认证的sftp对象 
          * @param username
          * @param host 
          * @param port 
          * @param privateKey 
          */
    public SftpUtil(String username, String host, int port, String privateKey) {
        this.username = username;
        this.host = host;
        this.port = port;
        this.privateKey = privateKey;
    }

    public SftpUtil(){}

    /** 
     * 连接sftp服务器 
     *
     * @throws Exception
     */
    public ChannelSftp login(){
        try {  
            JSch jsch = new JSch();  
            /*if (privateKey != null) {  
                jsch.addIdentity(privateKey);// 设置私钥  
                //log.info("sftp connect,path of private key file：{}" , privateKey);  
            }*/ 
            //log.info("sftp connect by host:{} username:{}",host,username);  
    
            Session session = jsch.getSession(username, host, port);  
            //log.info("Session is build");  
            if (password != null) {  
                session.setPassword(password);    
            }  
            Properties config = new Properties();  
            config.put("StrictHostKeyChecking", "no");  
                
            session.setConfig(config);  
            session.connect();  
            //log.info("Session is connected");  
              
            Channel channel = session.openChannel("sftp");  
            channel.connect();  
            //log.info("channel is connected");  
    
            sftp = (ChannelSftp) channel;  
            //log.info(String.format("sftp server host:[%s] port:[%s] is connect successfull", host, port));  
            System.out.println("登录成功！！");
        } catch (JSchException e) {
        	e.printStackTrace();
            //log.error("Cannot connect to specified sftp server : {}:{} \n Exception message is: {}", new Object[]{host, port, e.getMessage()});    
        }
		return sftp;  
    }    
                
    /**
      * 关闭连接 server
      */
    public void logout(ChannelSftp sftp){
        if (sftp != null) {  
            if (sftp.isConnected()) {  
                //sftp.disconnect(); 
                sftp.exit();
                //log.info("sftp is closed already");  
            }  
        } 
        /*if (channel != null) {  
            if (channel.isConnected()) {  
            	channel.disconnect();  
                //log.info("sshSession is closed already");  
            } 
        }		
        if (session != null) {  
            if (session.isConnected()) {  
                session.disconnect();
                //log.info("sshSession is closed already");  
            }  
        }*/
        System.out.println("退出登录成功！！");
    }  
                
    /**
      * 将输入流的数据上传到sftp作为文件
      *
      * @param directory
      *            上传到该目录
      * @param sftpFileName
      *            sftp端文件名
      * @param input
      *            输入流
      * @throws SftpException
      * @throws Exception
      */
    public void upload(String directory, String sftpFileName, InputStream input) throws SftpException{
        try {    
            sftp.cd(directory);  
        } catch (SftpException e) {  
            //log.warn("directory is not exist");  
            sftp.mkdir(directory);  
            sftp.cd(directory);  
        }  
        sftp.put(input, sftpFileName); 
        try {
			input.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
        //log.info("file:{} is upload successful" , sftpFileName);  
    }  
                
    /**
      * 上传单个文件
      *
      * @param directory
      *            上传到sftp目录
      * @param uploadFile
      *            要上传的文件,包括路径
      * @throws FileNotFoundException
      * @throws SftpException
      * @throws Exception
      */
    public void upload(String directory, String uploadFile) throws FileNotFoundException, SftpException{
        File file = new File(uploadFile);  
        upload(directory, file.getName(), new FileInputStream(file));  
    }  
                
    /**
      * 将byte[]上传到sftp，作为文件。注意:从String生成byte[]是，要指定字符集。
      *
      * @param directory
      *            上传到sftp目录
      * @param sftpFileName
      *            文件在sftp端的命名
      * @param byteArr
      *            要上传的字节数组
      * @throws SftpException
      * @throws Exception
      */
    public void upload(String directory, String sftpFileName, byte[] byteArr) throws SftpException{
        upload(directory, sftpFileName, new ByteArrayInputStream(byteArr));  
    }  
                
    /**
      * 将字符串按照指定的字符编码上传到sftp
      *
      * @param directory
      *            上传到sftp目录
      * @param sftpFileName
      *            文件在sftp端的命名
      * @param dataStr
      *            待上传的数据
      * @param charsetName
      *            sftp上的文件，按该字符编码保存
      * @throws UnsupportedEncodingException
      * @throws SftpException
      * @throws Exception
      */
    public void upload(String directory, String sftpFileName, String dataStr, String charsetName) throws UnsupportedEncodingException, SftpException{
        upload(directory, sftpFileName, new ByteArrayInputStream(dataStr.getBytes(charsetName)));    
    }  
                
    /**
      * 下载文件
      *
      * @param directory
      *            下载目录
      * @param downloadFile
      *            下载的文件
      * @param saveFile
      *            存在本地的路径
      * @throws SftpException
      * @throws FileNotFoundException
      * @throws Exception
      */
    public void download(String directory, String downloadFile, String saveFile) throws SftpException, FileNotFoundException{
        if (directory != null && !"".equals(directory)) {  
            sftp.cd(directory);  
        }  
        File file = new File(saveFile);  
        sftp.get(downloadFile, new FileOutputStream(file));  
        //log.info("file:{} is download successful" , downloadFile);  
    }  
    /**
      * 下载文件
      * @param directory 下载目录
      * @param downloadFile 下载的文件名
      * @return 字节数组
      * @throws SftpException
      * @throws IOException
      * @throws Exception
      */
    public byte[] download(String directory, String downloadFile) throws SftpException, IOException{
        if (directory != null && !"".equals(directory)) {  
            sftp.cd(directory);  
        }  
        InputStream is = sftp.get(downloadFile);  
          
        byte[] fileData = IOUtils.toByteArray(is);  
          
        //log.info("file:{} is download successful" , downloadFile);  
        return fileData;  
    }  
                
    /**
      * 删除文件
      *
      * @param directory
      *            要删除文件所在目录
      * @param deleteFile
      *            要删除的文件
      * @throws SftpException
      * @throws Exception
      */
    public void delete(String directory, String deleteFile) throws SftpException{
        sftp.cd(directory);  
        sftp.rm(deleteFile);  
    }  
                
    /**
      * 列出目录下的文件
      *
      * @param directory
      *            要列出的目录
      * @return
      * @throws SftpException
      */
    public Vector listFiles(String directory) throws SftpException {
        return sftp.ls(directory);  
    }    
              
    public static void main(String[] args) throws SftpException, IOException {
    	/*SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	sftp.login();            
        sftp.logout();
        System.out.println("---------------");*/
    	/*while (true) {
    		int i= (int) (Math.random()*10);
        	int j = 0;
        	switch (i) {
    		case 0:
    			while (j++ < 4) {
        			downloadFrom148();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom148");
        		}
    			j = 0;
    			break;
            case 1:
            	while (j++ < 4) {
        			downloadFrom149();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom149");
        		}
    			j = 0;
    			break;
    		case 2:
    			while (j++ < 4) {
        			downloadFrom241();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom241");
        		}
    			j = 0;	
    			break;
    		case 3:
    			while (j++ < 4) {
        			downloadFrom242();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom242");
        		}
    			j = 0;		
    			break;
    		case 4:
    			while (j++ < 4) {
        			downloadFrom243();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom243");
        		}
    			j = 0;			
    			break;
    		case 5:
    			while (j++ < 4) {
        			downloadFrom244();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom244");
        		}
    			j = 0;				
    			break;
    		case 6:
    			while (j++ < 4) {
        			downloadFrom245();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom245");
        		}
    			j = 0;					
    			break;
    		case 7:
    			while (j++ < 4) {
        			downloadFrom246();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom246");
        		}
    			j = 0;						
    		    break;
    		case 8:
    			while (j++ < 4) {
        			downloadFrom247();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom247");
        		}
    			j = 0;							
    		    break;
    	    case 9:
    	    	while (j++ < 4) {
        			downloadFrom248();
        			delete47FromLinuxOver3G("D:\\zabboxTestData\\downloafFrom248");
        		}
    			j = 0;								
    	     	break;
    		default:
    			break;
    		}
			
		}*/
    	/*SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	sftp.uploadTo148(sftp);
    	SftpUtil sftp2 = new SftpUtil("root", "agent", "192.168.3.149", 22);
    	sftp2.uploadTo149(sftp2)*/;
    	//sftp.uploadTo149();
    	//uploadTo241();
    	//uploadTo242();
    	//uploadTo243();
    	//uploadTo244();
    	//uploadTo245();
    	//uploadTo246();
    	//uploadTo247();
    	//uploadTo248();
    	//downloadFrom148();
    	//downloadFrom149();
    	//downloadFrom241();
    	//downloadFrom242();
    	//downloadFrom243();
    	//downloadFrom244();
    	//downloadFrom245();
    	//downloadFrom246();
    	//downloadFrom247();
    	//downloadFrom248();
    }  
}

uploadAndDownloadData.java

package uoload;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.Properties;
import java.util.Vector;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;

public class uploadAndDownloadData {
   
    public void uploadTo148(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	ChannelSftp channelSftp = sftp.login();  
    	
        for (int i = 0; i <= 9; i++) {
        	FileInputStream inputStream = new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf"));
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", inputStream);  
        	try {
				inputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}  
        System.out.println("成功上传文件到192.168.3.148主机！！！！");
        //System.out.println("192.168.3.148开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        
        sftp.logout(channelSftp);        
	}
    public void downloadFrom148(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	ChannelSftp channelSftp = sftp.login();  
    	
        for (int i = 0; i <= 9; i++) {        	
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom148\\dataBase"+i+".pdf");			        	
		} 
		
		System.out.println("成功从192.168.3.148主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom148");      
        sftp.logout(channelSftp);       
	}
    
    public void uploadTo149(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.149", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		} 
        
        System.out.println("成功上传文件到192.168.3.149主机！！！！");
        //System.out.println("192.168.3.149开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);       
	}
    public void downloadFrom149(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.149", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom149\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.149主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom149");      
        sftp.logout(channelSftp);        
	}
    
    public void uploadTo241(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.241", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		}     
        
        System.out.println("成功上传文件到192.168.3.241主机！！！！");
        //System.out.println("192.168.3.241开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);        
	}
    public void downloadFrom241(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.241", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom241\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.241主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom241");      
        sftp.logout(channelSftp);       
	}
    
    public void uploadTo242(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.242", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		}  
        
        System.out.println("成功上传文件到192.168.3.242主机！！！！");
        //System.out.println("192.168.3.242开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);       
	}
    public void downloadFrom242(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.242", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom242\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.242主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom242");      
        sftp.logout(channelSftp);        
	}
    
    public void uploadTo243(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.243", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		}
        System.out.println("成功上传文件到192.168.3.243主机！！！！");
        //System.out.println("192.168.3.243开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);       
	}
    public void downloadFrom243(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.243", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom243\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.243主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom243");      
        sftp.logout(channelSftp);       
	}
    
    public void uploadTo244(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.244", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		}
        
        System.out.println("成功上传文件到192.168.3.244主机！！！！");
        //System.out.println("192.168.3.244开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);       
	}
    public void downloadFrom244(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.244", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom244\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.244主机下载文件到本地47！！！！");      
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom244");      
        sftp.logout(channelSftp);       
	}
    
    public void uploadTo245(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.245", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		}
        
        System.out.println("成功上传文件到192.168.3.245主机！！！！");
        //System.out.println("192.168.3.245开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);        
	}
    public void downloadFrom245(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.245", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom245\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.245主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom245");      
        sftp.logout(channelSftp);        
	}
    
    public void uploadTo246(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.246", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		} 
        System.out.println("成功上传文件到192.168.3.246主机！！！！");
        //System.out.println("192.168.3.246开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);        
	}
    public void downloadFrom246(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.246", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom246\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.246主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom246");      
        sftp.logout(channelSftp);       
	}
    
    public void uploadTo247(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.247", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
		} 
        
        System.out.println("成功上传文件到192.168.3.247主机！！！！");
        //System.out.println("192.168.3.247开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);       
	}
    public void downloadFrom247(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.247", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom247\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.247主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom247");      
        sftp.logout(channelSftp);        
	}
    
    public void uploadTo248(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.248", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.upload("/opt/yfjz/getDateFrom47", "dataBase"+i+".pdf", new FileInputStream(new File("D:\\zabboxTestData\\dataBase"+i+".pdf")));
        	//File[] files = sftp.listFiles("/opt/yfjz/getDateFrom47");
        	//sftp.delete("/opt/yfjz/getDateFrom47", deleteFile);
		} 
        
        System.out.println("成功上传文件到192.168.3.248主机！！！！");
        //System.out.println("192.168.3.248开始删除啦--------");
        deleteLinuxFrom47(sftp, "/opt/yfjz/getDateFrom47", false);
        
        sftp.logout(channelSftp);    
	}
    public void downloadFrom248(SftpUtil sftp) throws FileNotFoundException, SftpException {
    	//SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.248", 22);
    	ChannelSftp channelSftp = sftp.login();     
        for (int i = 0; i <= 9; i++) {
        	sftp.download("/opt/yfjz/datastatic", "dataBase"+i+".pdf", "D:\\zabboxTestData\\downloafFrom248\\dataBase"+i+".pdf");
		}
		
		System.out.println("成功从192.168.3.248主机下载文件到本地47！！！！");
		//System.out.println("192.168.3.47开始删除啦--------");
		//delete47FromLinux("D:\\zabboxTestData\\downloafFrom248");      
        sftp.logout(channelSftp);      
	}
    
    //把本地文件上传到linux上时，执行随机删除操作
    public void deleteLinuxFrom47(SftpUtil sftp, String directory, boolean isClear ) throws SftpException {		
    	if (!isClear) {
    		System.out.println(directory+"执行Linux随机删除操作--------");
		}
    	ChannelSftp channelSftp = null;
    	int i = (int) (Math.random()*10);
    	if(isClear){
    		channelSftp = sftp.login();
    		System.out.println(directory+"执行Linux清空操作--------");
    		i = 10;
    	}
        int j = 0;
        //i=1;
        while(j < i){
        	try {
        		sftp.delete(directory, "dataBase"+j+".pdf");
			} catch (Exception e) {
				// TODO: handle exception
			}finally{
				j++;
				continue;
			}       	
        }
        if(isClear){
        	sftp.logout(channelSftp); 
        }
	}
    
    //从linux下载数据到本地后，执行随机删除操作
    public void delete47FromLinux(String directory) throws SftpException {
    	System.out.println(directory+"执行本地随机删除操作--------");
        File dir = new File(directory);
        File[] children = dir.listFiles();
        int length = children.length;
        if(length == 0){
        	return;
        }
        int i = (int) (Math.random()*length);
        int j = 0;
        //i=1;
        
        while(j < i){
        	children[j].delete();
        	j++;
        }   	
	}
            
    public static void main(String[] args) throws SftpException, IOException {
    	/*SftpUtil sftp = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	sftp.login();            
        sftp.logout();
        System.out.println("---------------");*/
    	int num = 60;
    	//int num = 1;
    	int type = 30;
    	int j = 0;
    	uploadAndDownloadData uploadAndDownloadData = new uploadAndDownloadData();
    	String directory = "/opt/yfjz/getDateFrom47";
    	while (j < num) {
    		int i= (int) (Math.random()*type);
    		//int i= (int) (Math.random()*1)-1;
        	switch (i) {
				case -1:
					SftpUtil sftp1_clear = new SftpUtil("root", "agent", "192.168.3.148", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp1_clear, directory, true);
					SftpUtil sftp2_clear = new SftpUtil("root", "agent", "192.168.3.149", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp2_clear, directory, true);
					SftpUtil sftp3_clear = new SftpUtil("root", "agent", "192.168.3.241", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp3_clear, directory, true);
					SftpUtil sftp4_clear = new SftpUtil("root", "agent", "192.168.3.242", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp4_clear, directory, true);
					SftpUtil sftp5_clear = new SftpUtil("root", "agent", "192.168.3.243", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp5_clear, directory, true);
					SftpUtil sftp6_clear = new SftpUtil("root", "agent", "192.168.3.244", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp6_clear, directory, true);
					SftpUtil sftp7_clear = new SftpUtil("root", "agent", "192.168.3.245", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp7_clear, directory, true);
					SftpUtil sftp8_clear = new SftpUtil("root", "agent", "192.168.3.246", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp8_clear, directory, true);
					SftpUtil sftp9_clear = new SftpUtil("root", "agent", "192.168.3.247", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp9_clear, directory, true);
					SftpUtil sftp10_clear = new SftpUtil("root", "agent", "192.168.3.248", 22);
					uploadAndDownloadData.deleteLinuxFrom47(sftp10_clear, directory, true);
					j++;
					System.out.println("------10台Linux的清空操作已完成-----");
					break;
				case 0:
					SftpUtil sftp1 = new SftpUtil("root", "agent", "192.168.3.148", 22);
				    uploadAndDownloadData.uploadTo148(sftp1);
					j++;
					break;
				case 1:
					SftpUtil sftp2 = new SftpUtil("root", "agent", "192.168.3.149", 22);
				    uploadAndDownloadData.uploadTo149(sftp2);
					j++;
					break;
				case 2:
					SftpUtil sftp3 = new SftpUtil("root", "agent", "192.168.3.241", 22);
				    uploadAndDownloadData.uploadTo241(sftp3);
					j++;
					break;
				case 3:
					SftpUtil sftp4 = new SftpUtil("root", "agent", "192.168.3.242", 22);
				    uploadAndDownloadData.uploadTo242(sftp4);
					j++;
					break;
				case 4:
					SftpUtil sftp5 = new SftpUtil("root", "agent", "192.168.3.243", 22);
				    uploadAndDownloadData.uploadTo243(sftp5);
					j++;
					break;
				case 5:
					SftpUtil sftp6 = new SftpUtil("root", "agent", "192.168.3.244", 22);
				    uploadAndDownloadData.uploadTo244(sftp6);
					j++;
					break;
				case 6:
					SftpUtil sftp7 = new SftpUtil("root", "agent", "192.168.3.245", 22);
				    uploadAndDownloadData.uploadTo245(sftp7);
					j++;
					break;
				case 7:
					SftpUtil sftp8 = new SftpUtil("root", "agent", "192.168.3.246", 22);
				    uploadAndDownloadData.uploadTo246(sftp8);
					j++;
					break;
				case 8:
					SftpUtil sftp9 = new SftpUtil("root", "agent", "192.168.3.247", 22);
				    uploadAndDownloadData.uploadTo247(sftp9);
					j++;
					break;
				case 9:
					SftpUtil sftp10 = new SftpUtil("root", "agent", "192.168.3.248", 22);
				    uploadAndDownloadData.uploadTo248(sftp10);
					j++;
					break;
				case 10:
					SftpUtil sftp11 = new SftpUtil("root", "agent", "192.168.3.148", 22);
				    uploadAndDownloadData.downloadFrom148(sftp11);    	      
					j++;
					break;
				case 11:
					SftpUtil sftp12 = new SftpUtil("root", "agent", "192.168.3.149", 22);
				    uploadAndDownloadData.downloadFrom149(sftp12);
					j++;
					break;
				case 12:
					SftpUtil sftp13 = new SftpUtil("root", "agent", "192.168.3.241", 22);
				    uploadAndDownloadData.downloadFrom241(sftp13);
					j++;
					break;
				case 13:
					SftpUtil sftp14 = new SftpUtil("root", "agent", "192.168.3.242", 22);
				    uploadAndDownloadData.downloadFrom242(sftp14);
					j++;
					break;
				case 14:
					SftpUtil sftp15 = new SftpUtil("root", "agent", "192.168.3.243", 22);
				    uploadAndDownloadData.downloadFrom243(sftp15);
					j++;
					break;
				case 15:
					SftpUtil sftp16 = new SftpUtil("root", "agent", "192.168.3.244", 22);
				    uploadAndDownloadData.downloadFrom244(sftp16);
					j++;
					break;
				case 16:
					SftpUtil sftp17 = new SftpUtil("root", "agent", "192.168.3.245", 22);
				    uploadAndDownloadData.downloadFrom245(sftp17);
					j++;
					break;
				case 17:
					SftpUtil sftp18 = new SftpUtil("root", "agent", "192.168.3.246", 22);
				    uploadAndDownloadData.downloadFrom246(sftp18);
					j++;
					break;
				case 18:
					SftpUtil sftp19 = new SftpUtil("root", "agent", "192.168.3.247", 22);
				    uploadAndDownloadData.downloadFrom247(sftp19);
					j++;
					break;
				case 19:
					SftpUtil sftp20 = new SftpUtil("root", "agent", "192.168.3.248", 22);
				    uploadAndDownloadData.downloadFrom248(sftp20);
					j++;
					break;
				case 20:   		
				    uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom148");
					j++;
					break;
				case 21:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom149");
					j++;
					break;
				case 22:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom241");
					j++;
					break;
				case 23:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom242");
					j++;
					break;
				case 24:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom243");
					j++;
					break;
				case 25:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom244");
					j++;
					break;
				case 26:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom245");
					j++;
					break;
				case 27:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom246");
					j++;
					break;
				case 28:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom247");
					j++;
					break;
				case 29:
					uploadAndDownloadData.delete47FromLinux("D:\\zabboxTestData\\downloafFrom248");
					j++;
					break;
				default:
					break;
    		}
        	System.out.println("---数据上传及下载模拟过程(第"+j+"次)已完成---");
		}
    	
    	if(j >= num){
        	System.out.println("------数据上传及下载模拟过程("+j+"次)已完成------");
        	//return;
        }
    	/*uploadAndDownloadData uploadAndDownloadData = new uploadAndDownloadData();
    	SftpUtil sftp1 = new SftpUtil("root", "agent", "192.168.3.148", 22);
    	uploadAndDownloadData.uploadTo148(sftp1);
    	SftpUtil sftp2 = new SftpUtil("root", "agent", "192.168.3.149", 22);
    	uploadAndDownloadData.uploadTo149(sftp2);
    	SftpUtil sftp3 = new SftpUtil("root", "agent", "192.168.3.241", 22);
    	uploadAndDownloadData.uploadTo241(sftp3);
    	SftpUtil sftp4 = new SftpUtil("root", "agent", "192.168.3.242", 22);
    	uploadAndDownloadData.uploadTo242(sftp4);
    	SftpUtil sftp5 = new SftpUtil("root", "agent", "192.168.3.243", 22);
    	uploadAndDownloadData.uploadTo243(sftp5);
    	SftpUtil sftp6 = new SftpUtil("root", "agent", "192.168.3.244", 22);
    	uploadAndDownloadData.uploadTo244(sftp6);
    	SftpUtil sftp7 = new SftpUtil("root", "agent", "192.168.3.245", 22);
    	uploadAndDownloadData.uploadTo245(sftp7);
    	SftpUtil sftp8 = new SftpUtil("root", "agent", "192.168.3.246", 22);
    	uploadAndDownloadData.uploadTo246(sftp8);
    	SftpUtil sftp9 = new SftpUtil("root", "agent", "192.168.3.247", 22);
    	uploadAndDownloadData.uploadTo247(sftp9);
    	SftpUtil sftp10 = new SftpUtil("root", "agent", "192.168.3.248", 22);
    	uploadAndDownloadData.uploadTo248(sftp10);*/   	
    }     
}

相关jar包下载地址：https://download.csdn.net/download/u012469528/10603559