使用apache commons-net包实现文件ftp上传

使用apache commons-net包实现文件ftp上传

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.SocketTimeoutException;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;

public class FtpTool {

private static FTPClient ftp;

public static FTPClient ftp_conn(String server, String user, String password) {

ftp = new FTPClient();
// ftp.setDefaultTimeout(5000);
try {
int reply;

ftp.connect(server);
// ftp.connect(server,21,InetAddress.getLocalHost(),21);
System.out.println("Connected to " + server + ".");
System.out.println(ftp.getReplyString());

reply = ftp.getReplyCode();

if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
System.out.println("FTP server refused connection.");
return null;
} else {
ftp.login(user, password);
System.out.println("Login success.");
ftp.pasv();
ftp.enterLocalPassiveMode();
}
} catch (SocketTimeoutException ste) {
ste.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return ftp;
}

/**
* @param ftp
* @param remoteFile
* @param localFile
* @return
* @throws FileNotFoundException
*/
public static boolean uploadToFtp(FTPClient ftp, String remoteFile,
String localFile) throws FileNotFoundException {

boolean result = false;
if (ftp == null) {
return result;
}

String dir = "/";
remoteFile = remoteFile.replaceAll("\\\\", "/");
if (remoteFile.indexOf("/") != -1) {
dir = (String) remoteFile.subSequence(0, remoteFile.lastIndexOf("/"));
}

FileInputStream fis = new FileInputStream(new File(localFile));

System.out.println("Upload " + localFile + " To " + remoteFile);
try {
ftp.makeDirectory(dir);
ftp.changeWorkingDirectory(dir);
ftp.setFileType(FTP.BINARY_FILE_TYPE); // 以BINARY格式传送文件
if (ftp.storeFile(remoteFile, fis)) {
result = true;
}
// System.out.println(ftp.getReplyCode());
fis.close();
} catch (Exception e) {
e.printStackTrace();
}

return result;
}

public static void logout(FTPClient ftp) {
try {
if (ftp != null) {
ftp.logout();
ftp.disconnect();
}
ftp = null;
} catch (IOException e) {
e.printStackTrace();
}
}

}

测试代码;

import java.io.FileNotFoundException;
import java.io.IOException;

import org.apache.commons.net.ftp.FTPClient;

public class FtpTest {

/**
* @param args
*/
public static void main(String[] args) {

String ftp_server = "192.168.0.1";
String ftp_user = "username";
String ftp_password ="password";
FTPClient ftp = FtpTool.ftp_conn(ftp_server, ftp_user, ftp_password);

String localFilename="D:\\html\\test.html";

String remoteFilename="/mytest/002/test.html";


System.out.println("upload ...");
System.out.println(localFilename + " to " + remoteFilename);
try {
FtpTool.uploadToFtp(ftp, remoteFilename, localFilename);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

try {
ftp.logout();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}

}

}

相关jar包: apache commons-net-1.4.1.jar