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@ -1,262 +0,0 @@
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package com.dsideal.dsBase.Util;
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import com.jcraft.jsch.*;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.*;
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import java.nio.charset.Charset;
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public class SSHUtil {
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private static Logger log = LoggerFactory.getLogger(SSHUtil.class);
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private String charset = "UTF-8"; // 设置编码格式
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private String user; // 用户名
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private String passwd; // 登录密码
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private String host; // 主机IP
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private int port = 22; //默认端口
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private JSch jsch;
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private Session session;
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private ChannelSftp sftp;
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/**
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* @param user 用户名
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* @param passwd 密码
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* @param host 主机IP
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*/
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public SSHUtil(String user, String passwd, String host) {
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this.user = user;
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this.passwd = passwd;
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this.host = host;
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}
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/**
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* @param user 用户名
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* @param passwd 密码
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* @param host 主机IP
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*/
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public SSHUtil(String user, String passwd, String host, int port) {
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this.user = user;
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this.passwd = passwd;
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this.host = host;
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this.port = port;
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}
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/**
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* 连接到指定的IP
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*
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* @throws JSchException
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*/
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public void connect() throws JSchException {
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jsch = new JSch();
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session = jsch.getSession(user, host, port);
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session.setPassword(passwd);
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java.util.Properties config = new java.util.Properties();
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config.put("StrictHostKeyChecking", "no");
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session.setConfig(config);
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session.connect(60);
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Channel channel = session.openChannel("sftp");
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channel.connect(60);
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sftp = (ChannelSftp) channel;
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log.info("连接到SFTP成功。host: " + host);
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}
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/**
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* 关闭连接
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*/
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public void disconnect() {
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if (sftp != null && sftp.isConnected()) {
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sftp.disconnect();
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}
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if (session != null && session.isConnected()) {
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session.disconnect();
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}
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}
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/**
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* 执行一条命令
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*/
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public int exec(String command) throws Exception {
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int returnCode = -1;
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BufferedReader reader;
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Channel channel;
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channel = session.openChannel("exec");
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((ChannelExec) channel).setCommand(command);
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channel.setInputStream(null);
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((ChannelExec) channel).setErrStream(System.err);
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InputStream in = channel.getInputStream();
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reader = new BufferedReader(new InputStreamReader(in));//中文乱码貌似这里不能控制，看连接的服务器的
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channel.connect();
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System.out.println("The remote command is: " + command);
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String buf;
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while ((buf = reader.readLine()) != null) {
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System.out.println(buf);
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}
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reader.close();
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// Get the return code only after the channel is closed.
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if (channel.isClosed()) {
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returnCode = channel.getExitStatus();
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}
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channel.disconnect();
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return returnCode;
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}
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/**
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* 执行相关的命令
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*/
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public void exec() {
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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String command = "";
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BufferedReader reader = null;
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Channel channel = null;
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try {
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while ((command = br.readLine()) != null) {
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channel = session.openChannel("exec");
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((ChannelExec) channel).setCommand(command);
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channel.setInputStream(null);
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((ChannelExec) channel).setErrStream(System.err);
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channel.connect();
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InputStream in = channel.getInputStream();
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reader = new BufferedReader(new InputStreamReader(in,
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Charset.forName(charset)));
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String buf = null;
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while ((buf = reader.readLine()) != null) {
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System.out.println(buf);
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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} catch (JSchException e) {
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e.printStackTrace();
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} finally {
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try {
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reader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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channel.disconnect();
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}
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}
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/**
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* 上传文件
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*/
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public void upload(String local, String remote) throws Exception {
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File file = new File(local);
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if (file.isDirectory()) {
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throw new RuntimeException(local + " is not a file");
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}
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InputStream inputStream = null;
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try {
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String rpath = remote.substring(0, remote.lastIndexOf("/") + 1);
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if (!isDirExist(rpath)) {
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mkdir(rpath);
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}
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inputStream = new FileInputStream(file);
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sftp.setInputStream(inputStream);
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sftp.put(inputStream, remote);
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} catch (Exception e) {
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throw e;
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} finally {
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if (inputStream != null) {
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inputStream.close();
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}
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}
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}
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/**
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* 下载文件
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*/
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public void downloadFile(String remote, String local) throws Exception {
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OutputStream outputStream = null;
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try {
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sftp.connect(5000);
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outputStream = new FileOutputStream(new File(local));
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sftp.get(remote, outputStream);
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outputStream.flush();
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} catch (Exception e) {
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throw e;
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} finally {
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if (outputStream != null) {
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outputStream.close();
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}
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}
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}
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/**
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* 移动到相应的目录下
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*
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* @param pathName 要移动的目录
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* @return
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*/
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public boolean changeDir(String pathName) {
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if (pathName == null || pathName.trim().equals("")) {
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log.debug("invalid pathName");
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return false;
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}
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try {
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sftp.cd(pathName.replaceAll("\\\\", "/"));
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log.debug("directory successfully changed,current dir=" + sftp.pwd());
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return true;
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} catch (SftpException e) {
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log.error("failed to change directory", e);
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return false;
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}
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}
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/**
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* 创建一个文件目录，mkdir每次只能创建一个文件目录
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* 或者可以使用命令mkdir -p 来创建多个文件目录
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*/
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public void mkdir(String createpath) {
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try {
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if (isDirExist(createpath)) {
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sftp.cd(createpath);
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return;
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}
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String pathArry[] = createpath.split("/");
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StringBuffer filePath = new StringBuffer("/");
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for (String path : pathArry) {
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if (path.equals("")) {
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continue;
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}
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filePath.append(path + "/");
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if (isDirExist(filePath.toString())) {
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sftp.cd(filePath.toString());
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} else {
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// 建立目录
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sftp.mkdir(filePath.toString());
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// 进入并设置为当前目录
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sftp.cd(filePath.toString());
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}
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}
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sftp.cd(createpath);
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} catch (SftpException e) {
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throw new RuntimeException("创建路径错误：" + createpath);
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}
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}
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/**
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* 判断目录是否存在
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*
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* @param directory
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* @return
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*/
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public boolean isDirExist(String directory) {
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boolean isDirExistFlag = false;
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try {
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SftpATTRS sftpATTRS = sftp.lstat(directory);
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return sftpATTRS.isDir();
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} catch (Exception e) {
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if (e.getMessage().equalsIgnoreCase("no such file")) {
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isDirExistFlag = false;
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}
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}
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return isDirExistFlag;
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}
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}
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