java sftp连接
package com.cpic.lifeplan.common.util;import java.util.Properties;import org.apache.log4j.Logger;import com.jcraft.jsch.ChannelSftp;import com.jcraft.jsch.JSch;import com.jcraft.jsch.JSchException;import com.jcraft.jsch.Session;/** * 处理sftp工具类 * @author 严程 */public class SftpUtil {protected Logger log = Logger.getLogger(SftpUtil.class);private Session session = null; private ChannelSftp sftp = null; /** * 打开sftp并连接 * @return * @throws JSchException * @throws Exception */public ChannelSftp getSftp(){try {String username = ConfigUtil.getConfigValue(ConfigUtil.USERNAME);String host = ConfigUtil.getConfigValue(ConfigUtil.HOST);int port = Integer.parseInt(ConfigUtil.getConfigValue(ConfigUtil.PORT));String password = ConfigUtil.getConfigValue(ConfigUtil.PASSWORD);JSch jsch = new JSch();session = jsch.getSession(username, host, port);session.setPassword(password);Properties sshConfig = new Properties();sshConfig.put("StrictHostKeyChecking", "no");session.setConfig(sshConfig);session.connect();sftp = (ChannelSftp)session.openChannel("sftp");sftp.connect();} catch (JSchException e) {if (sftp != null) {sftp.disconnect();sftp = null;}if (session != null) {session.disconnect();session = null;}log.error("系统异常sftp连接失败！",e);}return sftp;}/** * 关闭连接； */public void close() {if (sftp != null) {sftp.disconnect();sftp = null;}if (session != null) {session.disconnect();session = null;}}}