FTP上传文件

package cn.com.songjy;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.log4j.Logger;

import sun.net.TelnetOutputStream;
import sun.net.ftp.FtpClient;

public class FTPUPload {

	private static Logger log = Logger.getLogger(FTPUPload.class);
	static FtpClient ftpClient = null;

	/**
	 * 建立FTP连接
	 * @method connection
	 * @param ip 远程计算机IP
	 * @param user ftp用户
	 * @param password ftp用户的密码
	 * @param newpath 远程计算机目录
	 * @return
	 */
	public static boolean connection(String ip, String user, String password,
			String newpath) {
		
		log.info("远程IP地址："+ip);
		log.info("FTP账户："+user);
		log.info("FTP账户密码："+password);
		log.info("远程目录："+newpath);
		
		ftpClient = new FtpClient();
		try {
			ftpClient.openServer(ip);
			ftpClient.login(user, password);
			if (newpath.length() > 0) {
				ftpClient.cd(newpath);
			}
			ftpClient.binary();
			return true;
		} catch (IOException e) {
			e.printStackTrace();
		}
		return false;
	}

	/**
	 * 上传文件至远程计算机
	 * @method upload
	 * @param ip 远程计算机IP
	 * @param user ftp用户
	 * @param password ftp用户的密码
	 * @param path 需上传文件的路径
	 * @param newPath 远程ftp上传目录
	 */
	public static void upload(String ip, String user, String password,
			String path, String newPath) {
		
		File file = new File(path);
		
		if (!file.exists()){
			log.info("文件不存在！");
			return;
		}
		
		log.info("上传文件全路径："+file.getAbsolutePath());
		
		//建立FTP连接
		boolean conn=connection(ip,user,password,newPath);
		
		if(false==conn){
			log.info("建立FTP连接失败！");
			return;
		}
		
		System.getProperties().put("file.encoding", "UTF-8");
		TelnetOutputStream os = null;
		FileInputStream is = null;
		
		try {
			
			is = new FileInputStream(file);
			File newfile=new File(newPath);
			if(newfile.exists()){
				newfile.mkdirs();
				newfile.createNewFile();
			}
			
			
			os = ftpClient.put(newPath+file.getName());
			byte[] b = new byte[1024];
			int c;
			log.info("开始上传文件...");
			while (-1 != (c=is.read(b))) {
				os.write(b, 0, c);
			}
			os.flush();
			os.close();
			is.close();
			
			log.info("文件上传完毕！");
			
			if (null != ftpClient)
				ftpClient.closeServer();
			
		} catch (IOException e) {
			System.err.println("上传文件异常！");
			e.printStackTrace();
		}

	}

	public static void main(String[] args) {
		upload("192.168.23.1", "songjy", "123456","E:\\Workspaces\\java\\srt\\ezg\\demo-web\\pom.xml", "/songjy/upload/");
	}

}

运行结果如下：
[demo-web] [2013-01-09 14:41:00,562] INFO [main] cn.com.songjy.FTPUPload.upload(68) | 上传文件全路径：E:\Workspaces\java\srt\ezg\demo-web\pom.xml
[demo-web] [2013-01-09 14:41:00,562] INFO [main] cn.com.songjy.FTPUPload.connection(29) | 远程IP地址：192.168.23.1
[demo-web] [2013-01-09 14:41:00,562] INFO [main] cn.com.songjy.FTPUPload.connection(30) | FTP账户：songjy
[demo-web] [2013-01-09 14:41:00,562] INFO [main] cn.com.songjy.FTPUPload.connection(31) | FTP账户密码：123456
[demo-web] [2013-01-09 14:41:00,562] INFO [main] cn.com.songjy.FTPUPload.connection(32) | 远程目录：/songjy/upload/
[demo-web] [2013-01-09 14:41:00,609] INFO [main] cn.com.songjy.FTPUPload.upload(95) | 开始上传文件...
[demo-web] [2013-01-09 14:41:00,609] INFO [main] cn.com.songjy.FTPUPload.upload(103) | 文件上传完毕！


log4j.properties

log4j.rootCategory=INFO, stdout , R

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[demo-web] [%d{yyyy-MM-dd HH:mm:ss,SSS}] %p [%t] %C.%M(%L) | %m%n

log4j.appender.R=org.apache.log4j.DailyRollingFileAppender
log4j.appender.R.File=../logs/demo-web.log
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%d-[TS] %p %t %c - %m%n

log4j.logger.com.neusoft=DEBUG
log4j.logger.com.opensymphony.oscache=ERROR
log4j.logger.net.sf.navigator=ERROR
log4j.logger.org.apache.commons=ERROR
log4j.logger.org.apache.struts=WARN
log4j.logger.org.displaytag=ERROR
log4j.logger.org.springframework=DEBUG
log4j.logger.com.ibatis.db=WARN
log4j.logger.org.apache.velocity=FATAL

log4j.logger.com.canoo.webtest=WARN

log4j.logger.org.hibernate.ps.PreparedStatementCache=WARN
log4j.logger.org.hibernate=DEBUG
log4j.logger.org.logicalcobwebs=WARN

参阅（通过FTP4J 实现FTP各种操作）：http://cuisuqiang.iteye.com/blog/1774600