FTPClientUtils.java
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package com.bsth.util;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
/**
* @Description: 向FTP服务器上传文件
*
* @Version 1.0 2016-06-21 4:31:09 by 李强
*
*/
public class FTPClientUtils {
/**
* @param url FTP服务器hostname；
*
* - - - - port FTP服务器端口；
*
* - - - - username FTP登录账号；
*
* - - - - password FTP登录密码 ；
*
* - - - - path FTP服务器保存目录；
*
* - - - - filename 上传到FTP服务器上的文件名
*
* - - - - input 输入流；
*
* @return 成功返回true，否则返回false
*
*/
public boolean uploadFile(String url,int port,String username, String password, String path, String filename, InputStream input) {
boolean success = false;
FTPClient ftp = new FTPClient();
try {
int reply;
//连接FTP服务器,如果采用默认端口，可以使用ftp.connect(url)的方式直接连接FTP服务器
ftp.connect(url, port);
//登录
ftp.login(username, password);
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return success;
}
ftp.changeWorkingDirectory(path);
ftp.storeFile(filename, input);
input.close();
ftp.logout();
success = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return success;
}
// 将本地文件上传到FTP服务器上
public void testUpLoadFromDisk(){
try {
FileInputStream in=new FileInputStream(new File("D:/test.txt"));
boolean flag = uploadFile("192.168.168.101", 21, "testftpservice", "123", "C:/ftptest", "test.txt", in);
System.out.println(flag);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
// 在FTP服务器上生成一个文件，并将一个字符串写入到该文件中
public void testUpLoadFromString(){
try {
String str = "test ftp "+ "\r\n"+ "ccccc dddd";
InputStream input = new ByteArrayInputStream(str.getBytes("utf-8"));
boolean flag = uploadFile("192.168.168.101", 21, "testftpservice", "123", "C:/ftptest", "test.txt", input);
System.out.println(flag);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
public static void main(String[] args){
FTPClientUtils testFClient = new FTPClientUtils();
System.out.println(4.18f+ 1.35f);
// testFClient.testUpLoadFromString();
}
}