每天进步一点一点 ftp上传下载

珉瑶3701

http://www.iyunv.com/topic/206185
package com.northking.dataManager.util;   
import sun.net.ftp.*;   
import sun.net.*;   
import java.io.*;   
/**  
* 使用sun.net.ftp工具包进行ftp上传下载  
* @author maochangming  
* @date 2008-6-20  13:09:29  
* @description:  
*/  
public class FtpTool {   
String ip;   
int port;   
String user;   
String pwd;   
String remotePath;   
String localPath;   
FtpClient ftpClient;   
/**  
* 连接ftp服务器  
* @param ip  
* @param port  
* @param user  
* @param pwd  
* @return  
* @throws Exception  
*/  
public boolean connectServer(String ip, int port, String user, String pwd)   
throws Exception {   
boolean isSuccess = false;   
try {   
ftpClient = new FtpClient();   
ftpClient.openServer(ip, port);   
ftpClient.login(user, pwd);   
isSuccess = true;   
} catch (Exception ex) {   
throw new Exception("Connect ftp server error:" + ex.getMessage());   
}   
return isSuccess;   
}   
/**  
* 下载文件  
* @param remotePath  
* @param localPath  
* @param filename  
* @throws Exception  
*/  
public void downloadFile(String remotePath,String localPath, String filename) throws Exception {   
try {   
if (connectServer(getIp(), getPort(), getUser(), getPwd())) {   
if (remotePath.length() != 0)   
ftpClient.cd(remotePath);   
ftpClient.binary();   
TelnetInputStream is = ftpClient.get(filename);   
File file_out = new File(localPath + File.separator + filename);   
FileOutputStream os = new FileOutputStream(file_out);   
byte[] bytes = new byte[1024];   
int c;   
while ((c = is.read(bytes)) != -1) {   
os.write(bytes, 0, c);   
}   
is.close();   
os.close();   
ftpClient.closeServer();   
}   
} catch (Exception ex) {   
throw new Exception("ftp download file error:" + ex.getMessage());   
}   
}   
/**  
* 上传文件  
* @param remotePath  
* @param localPath  
* @param filename  
* @throws Exception  
*/  
public void uploadFile(String remotePath,String localPath, String filename) throws Exception {   
try {   
if (connectServer(getIp(), getPort(), getUser(), getPwd())) {   
if (remotePath.length() != 0)   
ftpClient.cd(remotePath);   
ftpClient.binary();   
TelnetOutputStream os = ftpClient.put(filename);   
File file_in = new File(localPath + File.separator + filename);   
FileInputStream is = new FileInputStream(file_in);   
byte[] bytes = new byte[1024];   
int c;   
while ((c = is.read(bytes)) != -1) {   
os.write(bytes, 0, c);   
}   
is.close();   
os.close();   
ftpClient.closeServer();   
}   
} catch (Exception ex) {   
throw new Exception("ftp upload file error:" + ex.getMessage());   
}   
}   
/**  
* @return  
*/  
public String getIp() {   
return ip;   
}   
/**  
* @return  
*/  
public int getPort() {   
return port;   
}   
/**  
* @return  
*/  
public String getPwd() {   
return pwd;   
}   
/**  
* @return  
*/  
public String getUser() {   
return user;   
}   
/**  
* @param string  
*/  
public void setIp(String string) {   
ip = string;   
}   
/**  
* @param i  
*/  
public void setPort(int i) {   
port = i;   
}   
/**  
* @param string  
*/  
public void setPwd(String string) {   
pwd = string;   
}   
/**  
* @param string  
*/  
public void setUser(String string) {   
user = string;   
}   
/**  
* @return  
*/  
public FtpClient getFtpClient() {   
return ftpClient;   
}   
/**  
* @param client  
*/  
public void setFtpClient(FtpClient client) {   
ftpClient = client;   
}   
/**  
* @return  
*/  
public String getRemotePath() {   
return remotePath;   
}   
/**  
* @param string  
*/  
public void setRemotePath(String string) {   
remotePath = string;   
}   
/**  
* @return  
*/  
public String getLocalPath() {   
return localPath;   
}   
/**  
* @param string  
*/  
public void setLocalPath(String string) {   
localPath = string;   
}   
}