FtpUtils工具类
package com.fyh.real.protocol.adapt.Sender;
import java.io.*;
import java.net.MalformedURLException;
import java.net.SocketException;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author: Licl
* @Description: FtpUtils
**/
public class FtpUtils {
private final static Logger logger = LoggerFactory.getLogger(FtpUtils.class);
private String hostname;
private Integer port;
private String username;
private String password;
private FTPClient ftpClient = null;
public FtpUtils(String hostname, Integer port, String username, String password) {
this.hostname = hostname;
this.port = port;
this.username = username;
this.password = password;
}
/**
* 初始化ftp服务器
*/
public void initFtpClient() {
ftpClient = new FTPClient();
ftpClient.setControlEncoding("utf-8");
try {
logger.info("connecting...ftp服务器:" + this.hostname + ":" + this.port);
ftpClient.connect(hostname, port);
ftpClient.login(username, password);
// 是否成功登录服务器
int replyCode = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode)) {
logger.info("连接ftp服务器【失败】:" + this.hostname + ":" + this.port);
}
logger.info("连接ftp服务器【成功】:" + this.hostname + ":" + this.port);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 上传文件
*
* @param pathname ftp服务保存地址
* @param fileName 上传到ftp的文件名
* @param originfilename 待上传文件的名称(绝对地址) *
* @return
*/
public boolean uploadFile(String pathname, String fileName, String originfilename) {
InputStream inputStream = null;
try {
logger.info("开始上传文件");
inputStream = new FileInputStream(new File(originfilename));
initFtpClient();
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
CreateDirecroty(pathname);
ftpClient.makeDirectory(pathname);
ftpClient.changeWorkingDirectory(pathname);
// 每次数据连接之前,ftp client告诉ftp server开通一个端口来传输数据
ftpClient.enterLocalPassiveMode();
// 观察是否真的上传成功
boolean storeFlag = ftpClient.storeFile(fileName, inputStream);
System.err.println("storeFlag==" + storeFlag);
inputStream.close();
ftpClient.logout();
logger.info("上传文件【成功】");
} catch (Exception e) {
logger.info("上传文件【失败】");
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
if (null != inputStream) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return true;
}
/**
* 上传文件
*
* @param pathname ftp服务保存地址
* @param fileName 上传到ftp的文件名
* @param inputStream 输入文件流
* @return
*/
public boolean uploadFile(String pathname, String fileName, InputStream inputStream) {
try {
logger.info("开始上传文件");
initFtpClient();
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.setControlEncoding("UTF-8");
//告知服务器打开客户端将连接到的数据端口以进行数据传输
ftpClient.enterLocalPassiveMode();
CreateDirecroty(pathname);
ftpClient.makeDirectory(pathname);
ftpClient.changeWorkingDirectory(pathname);
// 分批多少字节上传
// OutputStream output;
// output = ftpClient.storeFileStream(fileName);
// Util.copyStream(inputStream, output);
// output.close();
// if(!ftpClient.completePendingCommand()) {
// ftpClient.logout();
// ftpClient.disconnect();
// System.err.println("File transfer failed.");
// System.exit(1);
// }
ftpClient.storeFile(fileName, inputStream);
inputStream.close();
logger.info("上传文件【成功】");
} catch (Exception e) {
logger.info("上传文件【失败】");
e.printStackTrace();
} finally {
if (null != inputStream) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return true;
}
public void closeLogin(){
try {
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
}finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* @Description: 改变边目录路径
**/
public boolean changeWorkingDirectory(String directory) {
boolean flag = true;
try {
flag = ftpClient.changeWorkingDirectory(directory);
if (flag) {
logger.info("进入文件夹" + directory + " 成功!");
} else {
logger.info("进入文件夹" + directory + " 失败!开始创建文件夹");
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
return flag;
}
/**
* @Description: 创建多层目录文件,如果有ftp服务器已存在该文件,则不创建,如果无,则创建
**/
public boolean CreateDirecroty(String remote) throws IOException {
boolean success = true;
String directory = remote + "/";
// 如果远程目录不存在,则递归创建远程服务器目录
if (!directory.equalsIgnoreCase("/") && !changeWorkingDirectory(new String(directory))) {
int start = 0;
int end = 0;
if (directory.startsWith("/")) {
start = 1;
} else {
start = 0;
}
end = directory.indexOf("/", start);
String path = "";
String paths = "";
while (true) {
String subDirectory = new String(remote.substring(start, end).getBytes("GBK"), "iso-8859-1");
path = path + "/" + subDirectory;
if (!existFile(path)) {
if (makeDirectory(subDirectory)) {
changeWorkingDirectory(subDirectory);
} else {
System.out.println("创建目录[" + subDirectory + "]失败");
changeWorkingDirectory(subDirectory);
}
} else {
changeWorkingDirectory(subDirectory);
}
paths = paths + "/" + subDirectory;
start = end + 1;
end = directory.indexOf("/", start);
// 检查所有目录是否创建完毕
if (end <= start) {
break;
}
}
}
return success;
}
/**
* @Description: 判断ftp服务器文件是否存在
**/
public boolean existFile(String path) throws IOException {
boolean flag = false;
FTPFile[] ftpFileArr = ftpClient.listFiles(path);
if (ftpFileArr.length > 0) {
flag = true;
}
return flag;
}
/**
* @Description: 创建目录
**/
public boolean makeDirectory(String dir) {
boolean flag = true;
try {
flag = ftpClient.makeDirectory(dir);
if (flag) {
logger.info("创建文件夹" + dir + " 成功!");
} else {
logger.info("创建文件夹" + dir + " 失败!");
}
} catch (Exception e) {
e.printStackTrace();
}
return flag;
}
/**
* * 下载文件 *
* @param pathname FTP服务器文件目录 *
* @param filename 文件名称 *
* @param localpath 下载后的文件路径 *
* @return
*/
public boolean downloadFile(String pathname, String filename, String localpath) {
boolean flag = false;
OutputStream os = null;
try {
logger.info("开始下载文件");
initFtpClient();
// 切换FTP目录
boolean changeFlag = ftpClient.changeWorkingDirectory(pathname);
System.err.println("changeFlag==" + changeFlag);
ftpClient.enterLocalPassiveMode();
ftpClient.setRemoteVerificationEnabled(false);
// 查看有哪些文件夹 以确定切换的ftp路径正确
String[] a = ftpClient.listNames();
System.err.println(a[0]);
FTPFile[] ftpFiles = ftpClient.listFiles();
for (FTPFile file : ftpFiles) {
if (filename.equalsIgnoreCase(file.getName())) {
File localFile = new File(localpath + "/" + file.getName());
os = new FileOutputStream(localFile);
ftpClient.retrieveFile(file.getName(), os);
os.close();
}
}
ftpClient.logout();
flag = true;
logger.info("下载文件成功");
} catch (Exception e) {
logger.info("下载文件失败");
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
if (null != os) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return flag;
}
/**
* * 删除文件 *
*
* @param pathname FTP服务器保存目录 *
* @param filename 要删除的文件名称 *
* @return
*/
public boolean deleteFile(String pathname, String filename) {
boolean flag = false;
try {
System.out.println("开始删除文件");
initFtpClient();
// 切换FTP目录
ftpClient.changeWorkingDirectory(pathname);
ftpClient.dele(filename);
ftpClient.logout();
flag = true;
System.out.println("删除文件【成功】");
} catch (Exception e) {
System.out.println("删除文件【失败】");
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return flag;
}
public static void main(String[] args) throws IOException {
// FtpUtils ftp = new FtpUtils();
// ftp.initFtpClient();
// 文件路径写为用户建立时 指定的目录
// ftp.uploadFile("/home/uftp", "send.txt", "C:\\Users\\11411\\Desktop\\send.txt");
// boolean b = ftp.existFile("123.png");
// ftp.downloadFile("/home/ftpFile", "123.png", "E://");
// ftp.deleteFile("/home/ftpFile", "123.png");
// System.out.println("ok");
// testUpLoadFromDisk("/work/data");
}
public static String testUpLoadFromDisk(String file) {
String ftpHost = "192.168.8.116";
String ftpUserName = "uftp";
String ftpPassword = "123";
int ftpPort = 21;
String ftpPath = "/home/uftp";
String fileName2 = null;
String fileNameEncoded = null;
String str = file;
String[] strs = str.split("\\\\");
for (int i = 0; i < strs.length; i++) {
System.out.println(strs);
if (i == strs.length - 1) {
fileName2 = strs[strs.length - 1];
}
}
try {
//设置编码
file = new String(file.getBytes(), "iso-8859-1");
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
String str2 = file;
String[] strs2 = str2.split("\\\\");
for (int i = 0; i < strs2.length; i++) {
System.out.println(strs2);
if (i == strs2.length - 1) {
fileNameEncoded = strs2[strs2.length - 1];
}
}
String fileName = fileName2;
//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
try {
InputStream input = new ByteArrayInputStream("test ftp jyf".getBytes("utf-8"));
boolean flag = uploadFile(ftpHost, ftpUserName, ftpPassword, ftpPort, ftpPath, fileNameEncoded, input);
System.out.println(flag);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return "ftp://" + ftpHost + ":" + ftpPort + "/" + fileName;
}
public static boolean uploadFile(String ftpHost, String ftpUserName, String ftpPassword, int ftpPort, String ftpPath,
String fileName, InputStream input) {
boolean success = false;
FTPClient ftpClient = null;
try {
int reply;
ftpClient = getFTPClient(ftpHost, ftpUserName, ftpPassword, ftpPort);
reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftpClient.disconnect();
return success;
}
// 中文支持
ftpClient.setControlEncoding("UTF-8");
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
//告知服务器打开客户端将连接到的数据端口以进行数据传输
ftpClient.enterLocalPassiveMode();
//更改FTP会话的当前工作目录。
ftpClient.changeWorkingDirectory(ftpPath);
//使用给定名称在服务器上存储文件,并从给定的InputStream获取输入。
ftpClient.storeFile(fileName, input);
input.close();
ftpClient.logout();
success = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException ioe) {
}
}
}
return success;
}
public static FTPClient getFTPClient(String ftpHost, String ftpUserName,
String ftpPassword, int ftpPort) {
FTPClient ftpClient = new FTPClient();
try {
ftpClient = new FTPClient();
ftpClient.connect(ftpHost, ftpPort);// 连接FTP服务器
ftpClient.login(ftpUserName, ftpPassword);// 登陆FTP服务器
if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
System.out.println("未连接到FTP,用户名或密码错误。");
ftpClient.disconnect();
} else {
System.out.println("FTP连接成功。");
}
} catch (SocketException e) {
e.printStackTrace();
System.out.println("FTP的IP地址可能错误,请正确配置。");
} catch (IOException e) {
e.printStackTrace();
System.out.println("FTP的端口错误,请正确配置。");
}
return ftpClient;
}
}