一个ftp客户端

单于326

　　代码如下：
　　
　　其中用到了apache commons-net包
　　

public class FtpUtil {
private static FTPClient ftpClient;
private static FtpUtil instatnce;
public static final int BINARY_FILE_TYPE = FTP.BINARY_FILE_TYPE;
public static final int ASCII_FILE_TYPE = FTP.ASCII_FILE_TYPE;
private FtpUtil() {
}
public static synchronized FtpUtil getInstatnce() {
if (instatnce == null) {
instatnce = new FtpUtil();
ftpClient = new FTPClient();
}
return instatnce;
}
public synchronized boolean connectServer(FtpConfig ftpConfig) throws SocketException,IOException {
boolean flag = false;
String server = ftpConfig.getHost();
int port = ftpConfig.getPort();
String user = ftpConfig.getUser();
String password = ftpConfig.getPwd();
boolean logined = connectServer(server, port, user, password);
if (logined) {
flag = true;
}
return flag;
}
private boolean connectServer(String server, int port, String user,String password) throws SocketException, IOException {
boolean flag = false;
ftpClient.setControlEncoding("UTF-8");
ftpClient.connect(server, port);
//被动模式传输
ftpClient.enterLocalPassiveMode();
ftpClient.setFileType(BINARY_FILE_TYPE);
boolean logined = ftpClient.login(user, password);
if (logined) {
flag = true;
}
return flag;
}
public void setFileType(int fileType) throws IOException {
ftpClient.setFileType(fileType);
}
/**
* 关闭服务端
* @throws IOException
*/
public void closeServer() throws IOException {
if (ftpClient.isConnected()) {
ftpClient.disconnect();
}
}
/**
* 退出ftp
* @throws IOException
*/
public synchronized void logOut() throws IOException {
ftpClient.logout();
}
/**
* 改变服务端目录
* @param path
* @return
* @throws IOException
*/
public boolean changeDirectory(String path) throws IOException {
return ftpClient.changeWorkingDirectory(path);
}
/**
* 建立目录
* @param pathName
* @return
* @throws IOException
*/
public boolean createDirectory(String pathName) throws IOException {
return ftpClient.makeDirectory(pathName);
}
/**
* 删除服务端目录
* @param path
* @return boolean
* @throws IOException
*/
public boolean removeDirectory(String path) throws IOException {
return ftpClient.removeDirectory(path);
}
/**
* 上传文件到服务端
* @param fileName
* @param newName
* @return
* @throws IOException
*/
public boolean uploadFile(String fileName, String newName)throws IOException {
boolean flag = false;
InputStream iStream = null;
try {
iStream = new FileInputStream(fileName);
ftpClient.storeFile(newName, iStream);
if (FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
flag = true;
}
}catch(IOException e) {
flag = false;
return flag;
}finally {
if (iStream != null) {
iStream.close();
}
}
return flag;
}
public static void main(String[] args) {
FtpConfig ftpConfig = new FtpConfig() ;
ftpConfig.setHost("192.168.0.135") ;  
ftpConfig.setUser("admin") ;
ftpConfig.setPwd("1111") ;
ftpConfig.setPort(21) ;
FtpUtil util = FtpUtil.getInstatnce();
try {
boolean flag = util.connectServer(ftpConfig) ;
if(flag){
System.out.println("--------------成功连接ftp");
util.uploadFile("d:/aaaa.xml", "/aaa-----3.xml");
util.uploadFile("d:/aaab.xml", "/aaa4.xml");
System.out.println("--------------上传文件完成");
util.logOut();
}else{
System.out.println("--->ftp连接失败，请检查客户端或服务端设置");
}
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
finally{
try {
util.closeServer();
} catch (IOException e) {
e.printStackTrace();
}
}
}


}
　　
　　

public class FtpConfig {
private String host;
private int port;
private String user;
private String pwd;
public FtpConfig() {
}
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public String getPwd() {
return pwd;
}
public void setPwd(String pwd) {
this.pwd = pwd;
}

}