java FTP下载，兼容linux和Windows环境
java FTP下载，兼容linux和Windows环境
FTPUtil类：
import org.apache.commons.net.ftp.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import sun.net.TelnetInputStream;
import java.io.*;
import java.util.Calendar;
import java.util.TimeZone;
/**
* Ftp工具类
*
* @Author Samuel
* @Date 2018-10-31
*/
public class FtpUtil {
private static final Logger logger = LoggerFactory.getLogger(FtpUtil.class);
private FTPClient ftpClient;
@Autowired(required = false)
private String address;
private int port;
private String username;
private String password;
private String basepath;
private String clientConfig;
/* *
* Ftp构造函数
*/
public FtpUtil(String address, int port, String username, String Password, String basepath,String clientConfig) {
this.address = address;
this.port = port;
this.username = username;
this.password = Password;
this.basepath = basepath;
this.clientConfig = clientConfig;
this.ftpClient = new FTPClient();
}
public FtpUtil(String address, int port, String username, String Password, String basepath) {
this.address = address;
this.port = port;
this.username = username;
this.password = Password;
this.basepath = basepath;
this.ftpClient = new FTPClient();
}
/**
* @return 判断是否登入成功
*/
public boolean ftpLogin() {
long start = System.currentTimeMillis();
boolean isLogin = false;
FTPClientConfig ftpClientConfig = new FTPClientConfig();
ftpClientConfig.setServerTimeZoneId(TimeZone.getDefault().getID());
this.ftpClient.setControlEncoding("GBK");
this.ftpClient.configure(ftpClientConfig);
try {
if (this.port > 0) {
this.ftpClient.connect(this.address, this.port);
} else {
this.ftpClient.connect(this.address);
}
// FTP服务器连接回答
int reply = this.ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
this.ftpClient.disconnect();
logger.error("登录FTP服务失败！");
return isLogin;
}
//TimeUnit.SECONDS.sleep(2);
isLogin = this.ftpClient.login(this.username, this.password);
if(!isLogin){
logger.error("登录FTP服务失败！");
return isLogin;
}
// 设置传输协议
this.ftpClient.enterLocalPassiveMode();
isLogin = this.ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
if(!isLogin){
logger.error("登录FTP服务失败！");
return isLogin;
}
logger.info(this.username + "成功登陆FTP服务器");
logger.info("登录耗时：***********"+(System.currentTimeMillis()-start)+"毫秒");
} catch (Exception e) {
logger.error(this.username + "登录FTP服务失败！" + e.getMessage());
}
this.ftpClient.setBufferSize(1024 * 2);
this.ftpClient.setDataTimeout(30 * 1000);
return isLogin;
}
/**
* @退出关闭服务器链接
*/
public void ftpLogOut() {
if (null != this.ftpClient && this.ftpClient.isConnected()) {
try {
boolean reuslt = this.ftpClient.logout();// 退出FTP服务器
if (reuslt) {
logger.info("成功退出服务器");
}
} catch (IOException e) {
e.printStackTrace();
logger.warn("退出FTP服务器异常！" + e.getMessage());
} finally {
try {
this.ftpClient.disconnect();// 关闭FTP服务器的连接
} catch (IOException e) {
e.printStackTrace();
logger.warn("关闭FTP服务器的连接异常！");
}
}
}
}
/***
* 上传Ftp文件
* @param romotUpLoadePath 上传服务器路径(以/结束)
* */
public boolean uploadFile(File localFile, String romotUpLoadePath) {
BufferedInputStream inStream = null;
boolean success = false;
try {
// success = this.ftpClient.makeDirectory(romotUpLoadePath);
success = this.ftpClient.changeWorkingDirectory(romotUpLoadePath);// 改变工作路径
if(!success){
logger.error("changeWorkingDirectory方法异常");
return success;
}
inStream = new BufferedInputStream(new FileInputStream(localFile));
logger.info(localFile.getName() + "开始上传.....");
success = this.ftpClient.storeFile(localFile.getName(), inStream);
if(!success){
logger.error("storeFile方法异常");
return success;
}
if (success == true) {
logger.info(localFile.getName() + "上传成功");
}else{
logger.info(localFile.getName() + "上传失败");
}
} catch (FileNotFoundException e) {
e.printStackTrace();
logger.error(localFile + "未找到");
} catch (IOException e) {
e.printStackTrace();
} finally {
if (inStream != null) {
try {
inStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return success;
}
/***
* 下载文件
* @param remoteFileName 待下载文件名称
* @param localDires 下载到当地那个路径下
* @param remoteDownLoadPath remoteFileName所在的路径
* */
public boolean downloadFile(String remoteFileName, String localDires,
String remoteDownLoadPath) {
String strFilePath = localDires + remoteFileName;
BufferedOutputStream outStream = null;
boolean success = false;
try {
this.ftpClient.changeWorkingDirectory(remoteDownLoadPath);
File targetFile = new File(strFilePath);
if(!targetFile.exists()){
targetFile.mkdirs();
}
outStream = new BufferedOutputStream(new FileOutputStream(
strFilePath));
logger.info(remoteFileName + "开始下载....");
success = this.ftpClient.retrieveFile(remoteFileName, outStream);
if (success == true){
logger.info(remoteFileName + "成功下载到" + strFilePath);
return success;
}
} catch (Exception e) {
e.printStackTrace();
logger.error(remoteFileName + "下载失败");
} finally {
if (null != outStream) {
try {
outStream.flush();
outStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
if (success == false) {
logger.error(remoteFileName + "下载失败!!!");
}
return success;
}
/***
* @上传文件夹
* @param localDirectory
* 本地文件夹
* @param remoteDirectoryPath
* Ftp 服务器路径 以目录"/"结束
* */
public boolean uploadDirectory(String localDirectory,
String remoteDirectoryPath) {
File src = new File(localDirectory);
try {
remoteDirectoryPath = remoteDirectoryPath + src.getName() + "/";
this.ftpClient.makeDirectory(remoteDirectoryPath);
// ftpClient.listDirectories();
} catch (IOException e) {
e.printStackTrace();
logger.info(remoteDirectoryPath + "目录创建失败");
}
File[] allFile = src.listFiles();
for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
if (!allFile[currentFile].isDirectory()) {
String srcName = allFile[currentFile].getPath().toString();
uploadFile(new File(srcName), remoteDirectoryPath);
}
}
for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
if (allFile[currentFile].isDirectory()) {
// 递归
uploadDirectory(allFile[currentFile].getPath().toString(),
remoteDirectoryPath);
}
}
return true;
}
/***
* @下载文件夹
* @param localDirectoryPath 本地地址
* @param remoteDirectory 远程文件夹
* */
public boolean downLoadDirectory(String localDirectoryPath, String remoteDirectory) {
try {
String fileName = new File(remoteDirectory).getName();
localDirectoryPath = localDirectoryPath + fileName + "//";
new File(localDirectoryPath).mkdirs();
FTPFile[] allFile = this.ftpClient.listFiles(remoteDirectory);
for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
if (!allFile[currentFile].isDirectory()) {
downloadFile(allFile[currentFile].getName(), localDirectoryPath, remoteDirectory);
}
}
for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
if (allFile[currentFile].isDirectory()) {
String strremoteDirectoryPath = remoteDirectory + "/" + allFile[currentFile].getName();
downLoadDirectory(localDirectoryPath, strremoteDirectoryPath);
}
}
} catch (IOException e) {
e.printStackTrace();
logger.info("下载文件夹失败");
return false;
}
return true;
}
// FtpClient的Set 和 Get 函数
public FTPClient getFtpClient() {
return ftpClient;
}
public void setFtpClient(FTPClient ftpClient) {
this.ftpClient = ftpClient;
}
public static void main(String[] args) throws IOException {
FtpUtil ftp = new FtpUtil("120.78.147.127", 21, "Administrator", "Gkxygkxy123456","","UNIX");
ftp.ftpLogin();
FTPClient ftpClient=new FTPClient();
ftpClient.connect("120.78.147.127",21);
ftpClient.login("Administrator","Gkxygkxy123456");
int ch;
ch=ftpClient.getReplyCode();
if(! FTPReply.isPositiveCompletion(ch)){
ftpClient.disconnect();
}
logger.info("ftp链接成功");
FTPFile[] fs=ftpClient.listFiles();
// ftp.fileDown("D://test","20190123151628.xml","remoteDownLoadPath");
// ftp.uploadFile(new File("E:\\txt\\abcdetest.txt"),"txt");
ftp.ftpLogOut();
//上传文件夹
//ftp.uploadDirectory("d://DataProtemp", "/home/data/");
//下载文件夹
//String loc="D:/downFile";
//
//String url="/demo.txt";
// int index= url.lastIndexOf("/");
// String arc=url.substring(0,index);
// String file=url.substring(index+1,url.length());
// logger.info(index+"文件名："+file+" 相对路径："+arc);
//boolean ok= ftp.fileDown(loc,"demo.txt","/business");
//logger.info("========"+ok);
//ftp.downloadFile("test","C://ftp//","C:/ftp/test.txt");
//ftp.downLoadDirectory("d://tmp//", "/home/data/DataProtemp");
//File local = new File("C:\\Users\\Administrator\\Desktop\\问题记录.txt");
// ftp.uploadDirectory("C:\\Users\\Administrator\\Desktop\\问题记录.txt","\\20181204\\");
//ftp.ftpLogOut();
}
/**
*
* @param loclDires 文件保存的本地路径
* @param fileName 待下载的文件名
* @param fileUrl 待下载文件在ftp服务器上的相对路径
* @return
*/
public boolean fileDown(String loclDires,String fileName,String fileUrl){
TelnetInputStream fget=null;
RandomAccessFile getFile=null;
FTPClient ftpClient=null;
boolean success=false;
Calendar calendar= Calendar.getInstance();
String date="/"+ calendar.get(Calendar.YEAR)+(calendar.get(Calendar.MONTH)+1)+calendar.get(Calendar.DATE);
loclDires = loclDires+date;
int ch;
if(! new File(loclDires).isDirectory()){
new File(loclDires).mkdir();
}
String keepLocate=loclDires+"/"+fileName;
ftpClient = new FTPClient();
try {
ftpClient.connect(address,port);
ftpClient.login(username,password);
ch=ftpClient.getReplyCode();
if(! FTPReply.isPositiveCompletion(ch)){
ftpClient.disconnect();
return success;
}
logger.info("ftp链接成功");
ftpClient.changeWorkingDirectory(fileUrl);
FTPFile[] fs=ftpClient.listFiles();
for (FTPFile ff:fs) {
if(ff.getName().equals(fileName)){
logger.info("找到目标文件："+fileName);
File licalFile=new File(loclDires+"/"+ff.getName());
OutputStream is =new FileOutputStream(licalFile);
ftpClient.retrieveFile(ff.getName(),is);
is.close();
success=true;
break;
}
}
ftpClient.logout();
} catch (IOException e) {
logger.error("ftp文件下载出错："+e.getMessage());
success=false;
}finally {
if(ftpClient.isConnected()){
try {
ftpClient.disconnect();
} catch (IOException e) {
logger.error("ftp服务关闭出错："+e.getMessage());
}
}
}
return success;
}
public File getSchemeFile(String fileName , String fileUrl){
int ch;
try {
this.ftpClient.connect(this.address,this.port);
boolean flag = this.ftpClient.login(this.username,this.password);
if(!flag){
logger.error("登录FTP失败。");
return null;
}
//设置FTP服务器环境
FTPClientConfig ftpClientConfig = new FTPClientConfig(this.clientConfig);
this.ftpClient.configure(ftpClientConfig);
this.ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
ch=ftpClient.getReplyCode();
if(! FTPReply.isPositiveCompletion(ch)){
this.ftpClient.disconnect();
return null;
}
logger.info("ftp链接成功");
//设置访问被动模式
this.ftpClient.setRemoteVerificationEnabled(false);
this.ftpClient.enterLocalPassiveMode();
this.ftpClient.setControlEncoding("GBK");
//this.ftpClient.enterLocalPassiveMode();
boolean flag2 = this.ftpClient.changeWorkingDirectory(new String(fileUrl.getBytes("GBK"), FTP.DEFAULT_CONTROL_ENCODING));
if(!flag2){
logger.error("changeWorkingDirectory方法出错！");
return null;
}
logger.info("changeWorkingDirectory："+fileUrl);
FTPFile[] fs=this.ftpClient.listFiles();
for (FTPFile ff:fs) {
logger.info("文件名："+ff.getName());
if((java.net.URLDecoder.decode(ff.getName(),"UTF-8")).equals(fileName)){
logger.info("找到目标文件："+fileName);
File localFile=new File(java.net.URLDecoder.decode(ff.getName(),"UTF-8"));
OutputStream outputStream =new FileOutputStream(localFile);
String remoteFileName = java.net.URLDecoder.decode(ff.getName(),"UTF-8");
this.ftpClient.retrieveFile(new String(remoteFileName.getBytes("GBK"),"iso-8859-1"),outputStream);//下载必须转码
outputStream.close();
this.ftpClient.logout();
return localFile;
}
}
this.ftpClient.logout();
logger.info("无法找到目标文件："+fileName);
} catch (IOException e) {
logger.error("ftp文件下载出错："+e.getMessage());
} finally {
if(this.ftpClient.isConnected()){
try {
this.ftpClient.disconnect();
} catch (IOException e) {
logger.error("ftp服务关闭出错："+e.getMessage());
}
}
}
return null;
}
}
其中ftp服务器环境分：
public static final String SYST_UNIX = "UNIX";
public static final String SYST_VMS = "VMS";
public static final String SYST_NT = "WINDOWS";
public static final String SYST_OS2 = "OS/2";
public static final String SYST_OS400 = "OS/400";
public static final String SYST_AS400 = "AS/400";
public static final String SYST_MVS = "MVS";
public static final String SYST_L8 = "TYPE: L8";
public static final String SYST_NETWARE = "NETWARE";
public static final String SYST_MACOS_PETER = "MACOS PETER";
调用方法：
boolean flag = false;
FtpUtil ftp = new FtpUtil(FTPAddress, FTPPort, FTPUsername, FTPPassword, "",clientConfig);
flag = ftp.ftpLogin();
if (flag) {
File file = ftp.getSchemeFile(fileName, FTPUploadtaskschemepath);
}