A. java 实现ftp上传下载,windows下和linux下游何区别
packagecom.weixin.util;
importjava.io.File;
importjava.io.FileOutputStream;
importjava.io.IOException;
importjava.io.InputStream;
importjava.io.OutputStream;
importjava.io.PrintWriter;
importjava.io.RandomAccessFile;
importorg.apache.commons.net.PrintCommandListener;
importorg.apache.commons.net.ftp.FTP;
importorg.apache.commons.net.ftp.FTPClient;
importorg.apache.commons.net.ftp.FTPFile;
importorg.apache.commons.net.ftp.FTPReply;
importcom.weixin.constant.DownloadStatus;
importcom.weixin.constant.UploadStatus;
/**
*支持断点续传的FTP实用类
*@version0.1实现基本断点上传下载
*@version0.2实现上传下载进度汇报
*@version0.3实现中文目录创建及中文文件创建,添加对于中文的支持
*/
publicclassContinueFTP{
publicFTPClientftpClient=newFTPClient();
publicContinueFTP(){
//设置将过程中使用到的命令输出到控制台
this.ftpClient.addProtocolCommandListener(newPrintCommandListener(newPrintWriter(System.out)));
}
/**
*连接到FTP服务器
*@paramhostname主机名
*@paramport端口
*@paramusername用户名
*@parampassword密码
*@return是否连接成功
*@throwsIOException
*/
publicbooleanconnect(Stringhostname,intport,Stringusername,Stringpassword)throwsIOException{
ftpClient.connect(hostname,port);
ftpClient.setControlEncoding("GBK");
if(FTPReply.isPositiveCompletion(ftpClient.getReplyCode())){
if(ftpClient.login(username,password)){
returntrue;
}
}
disconnect();
returnfalse;
}
/**
*从FTP服务器上下载文件,支持断点续传,上传百分比汇报
*@paramremote远程文件路径
*@paramlocal本地文件路径
*@return上传的状态
*@throwsIOException
*/
publicDownloadStatusdownload(Stringremote,Stringlocal)throwsIOException{
//设置被动模式
ftpClient.enterLocalPassiveMode();
//设置以二进制方式传输
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
DownloadStatusresult;
//检查远程文件是否存在
FTPFile[]files=ftpClient.listFiles(newString(remote.getBytes("GBK"),"iso-8859-1"));
if(files.length!=1){
System.out.println("远程文件不存在");
returnDownloadStatus.Remote_File_Noexist;
}
longlRemoteSize=files[0].getSize();
Filef=newFile(local);
//本地存在文件,进行断点下载
if(f.exists()){
longlocalSize=f.length();
//判断本地文件大小是否大于远程文件大小
if(localSize>=lRemoteSize){
System.out.println("本地文件大于远程文件,下载中止");
returnDownloadStatus.Local_Bigger_Remote;
}
//进行断点续传,并记录状态
FileOutputStreamout=newFileOutputStream(f,true);
ftpClient.setRestartOffset(localSize);
InputStreamin=ftpClient.retrieveFileStream(newString(remote.getBytes("GBK"),"iso-8859-1"));
byte[]bytes=newbyte[1024];
longstep=lRemoteSize/100;
longprocess=localSize/step;
intc;
while((c=in.read(bytes))!=-1){
out.write(bytes,0,c);
localSize+=c;
longnowProcess=localSize/step;
if(nowProcess>process){
process=nowProcess;
if(process%10==0)
System.out.println("下载进度:"+process);
//TODO更新文件下载进度,值存放在process变量中
}
}
in.close();
out.close();
booleanisDo=ftpClient.completePendingCommand();
if(isDo){
result=DownloadStatus.Download_From_Break_Success;
}else{
result=DownloadStatus.Download_From_Break_Failed;
}
}else{
OutputStreamout=newFileOutputStream(f);
InputStreamin=ftpClient.retrieveFileStream(newString(remote.getBytes("GBK"),"iso-8859-1"));
byte[]bytes=newbyte[1024];
longstep=lRemoteSize/100;
longprocess=0;
longlocalSize=0L;
intc;
while((c=in.read(bytes))!=-1){
out.write(bytes,0,c);
localSize+=c;
longnowProcess=localSize/step;
if(nowProcess>process){
process=nowProcess;
if(process%10==0)
System.out.println("下载进度:"+process);
//TODO更新文件下载进度,值存放在process变量中
}
}
in.close();
out.close();
booleanupNewStatus=ftpClient.completePendingCommand();
if(upNewStatus){
result=DownloadStatus.Download_New_Success;
}else{
result=DownloadStatus.Download_New_Failed;
}
}
returnresult;
}
/**
*上传文件到FTP服务器,支持断点续传
*@paramlocal本地文件名称,绝对路径
*@paramremote远程文件路径,使用/home/directory1/subdirectory/file.ext按照Linux上的路径指定方式,支持多级目录嵌套,支持递归创建不存在的目录结构
*@return上传结果
*@throwsIOException
*/
publicUploadStatusupload(Stringlocal,Stringremote)throwsIOException{
//设置PassiveMode传输
ftpClient.enterLocalPassiveMode();
//设置以二进制流的方式传输
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.setControlEncoding("GBK");
UploadStatusresult;
//对远程目录的处理
StringremoteFileName=remote;
if(remote.contains("/")){
remoteFileName=remote.substring(remote.lastIndexOf("/")+1);
//创建服务器远程目录结构,创建失败直接返回
if(CreateDirecroty(remote,ftpClient)==UploadStatus.Create_Directory_Fail){
returnUploadStatus.Create_Directory_Fail;
}
}
//检查远程是否存在文件
FTPFile[]files=ftpClient.listFiles(newString(remoteFileName.getBytes("GBK"),"iso-8859-1"));
if(files.length==1){
longremoteSize=files[0].getSize();
Filef=newFile(local);
longlocalSize=f.length();
if(remoteSize==localSize){
returnUploadStatus.File_Exits;
}elseif(remoteSize>localSize){
returnUploadStatus.Remote_Bigger_Local;
}
//尝试移动文件内读取指针,实现断点续传
result=uploadFile(remoteFileName,f,ftpClient,remoteSize);
//如果断点续传没有成功,则删除服务器上文件,重新上传
if(result==UploadStatus.Upload_From_Break_Failed){
if(!ftpClient.deleteFile(remoteFileName)){
returnUploadStatus.Delete_Remote_Faild;
}
result=uploadFile(remoteFileName,f,ftpClient,0);
}
}else{
result=uploadFile(remoteFileName,newFile(local),ftpClient,0);
}
returnresult;
}
/**
*断开与远程服务器的连接
*@throwsIOException
*/
publicvoiddisconnect()throwsIOException{
if(ftpClient.isConnected()){
ftpClient.disconnect();
}
}
/**
*递归创建远程服务器目录
*@paramremote远程服务器文件绝对路径
*@paramftpClientFTPClient对象
*@return目录创建是否成功
*@throwsIOException
*/
(Stringremote,FTPClientftpClient)throwsIOException{
UploadStatusstatus=UploadStatus.Create_Directory_Success;
Stringdirectory=remote.substring(0,remote.lastIndexOf("/")+1);
if(!directory.equalsIgnoreCase("/")&&!ftpClient.changeWorkingDirectory(newString(directory.getBytes("GBK"),"iso-8859-1"))){
//如果远程目录不存在,则递归创建远程服务器目录
intstart=0;
intend=0;
if(directory.startsWith("/")){
start=1;
}else{
start=0;
}
end=directory.indexOf("/",start);
while(true){
StringsubDirectory=newString(remote.substring(start,end).getBytes("GBK"),"iso-8859-1");
if(!ftpClient.changeWorkingDirectory(subDirectory)){
if(ftpClient.makeDirectory(subDirectory)){
ftpClient.changeWorkingDirectory(subDirectory);
}else{
System.out.println("创建目录失败");
returnUploadStatus.Create_Directory_Fail;
}
}
start=end+1;
end=directory.indexOf("/",start);
//检查所有目录是否创建完毕
if(end<=start){
break;
}
}
}
returnstatus;
}
/**
*上传文件到服务器,新上传和断点续传
*@paramremoteFile远程文件名,在上传之前已经将服务器工作目录做了改变
*@paramlocalFile本地文件File句柄,绝对路径
*@paramprocessStep需要显示的处理进度步进值
*@paramftpClientFTPClient引用
*@return
*@throwsIOException
*/
publicUploadStatusuploadFile(StringremoteFile,FilelocalFile,FTPClientftpClient,longremoteSize)throwsIOException{
UploadStatusstatus;
//显示进度的上传
longstep=localFile.length()/100;
longprocess=0;
longlocalreadbytes=0L;
RandomAccessFileraf=newRandomAccessFile(localFile,"r");
OutputStreamout=ftpClient.appendFileStream(newString(remoteFile.getBytes("GBK"),"iso-8859-1"));
//断点续传
if(remoteSize>0){
ftpClient.setRestartOffset(remoteSize);
process=remoteSize/step;
raf.seek(remoteSize);
localreadbytes=remoteSize;
}
byte[]bytes=newbyte[1024];
intc;
while((c=raf.read(bytes))!=-1){
out.write(bytes,0,c);
localreadbytes+=c;
if(localreadbytes/step!=process){
process=localreadbytes/step;
System.out.println("上传进度:"+process);
//TODO汇报上传状态
}
}
out.flush();
raf.close();
out.close();
booleanresult=ftpClient.completePendingCommand();
if(remoteSize>0){
status=result?UploadStatus.Upload_From_Break_Success:UploadStatus.Upload_From_Break_Failed;
}else{
status=result?UploadStatus.Upload_New_File_Success:UploadStatus.Upload_New_File_Failed;
}
returnstatus;
}
publicstaticvoidmain(String[]args){
ContinueFTPmyFtp=newContinueFTP();
try{
System.err.println(myFtp.connect("10.10.6.236",21,"5","jieyan"));
// myFtp.ftpClient.makeDirectory(newString("歌曲".getBytes("GBK"),"iso-8859-1"));
// myFtp.ftpClient.changeWorkingDirectory(newString("歌曲".getBytes("GBK"),"iso-8859-1"));
// myFtp.ftpClient.makeDirectory(newString("爱你等于爱自己".getBytes("GBK"),"iso-8859-1"));
// System.out.println(myFtp.upload("E:\yw.flv","/yw.flv",5));
// System.out.println(myFtp.upload("E:\爱你等于爱自己.mp4","/爱你等于爱自己.mp4"));
//System.out.println(myFtp.download("/爱你等于爱自己.mp4","E:\爱你等于爱自己.mp4"));
myFtp.disconnect();
}catch(IOExceptione){
System.out.println("连接FTP出错:"+e.getMessage());
}
}
}
B. java 实现ftp上传如何创建文件夹
准备条件:java实现ftp上传用到了commons-net-3.3.jar包
首先建立ftphost连接
publicbooleanconnect(Stringpath,Stringaddr,intport,Stringusername,Stringpassword){
try{
//FTPClientftp=newFTPHTTPClient(addr,port,username,password);
ftp=newFTPClient();
intreply;
ftp.connect(addr);
System.out.println("连接到:"+addr+":"+port);
System.out.print(ftp.getReplyString());
reply=ftp.getReplyCode();
if(!FTPReply.isPositiveCompletion(reply)){
ftp.disconnect();
System.err.println("FTP目标服务器积极拒绝.");
System.exit(1);
returnfalse;
}else{
ftp.login(username,password);
ftp.enterLocalPassiveMode();
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(path);
System.out.println("已连接:"+addr+":"+port);
returntrue;
}
}catch(Exceptionex){
ex.printStackTrace();
System.out.println(ex.getMessage());
returnfalse;
}
}
然后再利用ftpclient的makeDirectory方法创建文件夹
publicvoidcreateDir(Stringdirname){
try{
ftp.makeDirectory(dirname);
System.out.println("在目标服务器上成功建立了文件夹:"+dirname);
}catch(Exceptionex){
System.out.println(ex.getMessage());
}
}
断开host连接
publicvoiddisconnect(){
try{
ftp.disconnect();
}catch(IOExceptione){
e.printStackTrace();
}
}
最后是程序的调用方法
publicstaticvoidmain(String[]args){
FtpUploadTestftpupload=newFtpUploadTest();
if(ftpupload.connect("","172.39.8.x",20,"administrator","abc@123")){
ftpupload.createDir("/UPLOAD");
ftpupload.disconnect();
}
}
C. java ftpclient怎么传输多个文件
/**
* Description: 向FTP服务器上传文件
* @Version1.0 Jul 27, 2008 4:31:09 PM by 崔红保([email protected])创建
* @param url FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param path FTP服务器保存目录
* @param filename 上传到FTP服务器上的文件名
* @param input 输入流
* @return 成功返回true,否则返回false
*/
publicstaticboolean 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;
ftp.connect(url, port);//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.login(username, password);//登录
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;
}<pre></pre>
D. java如何实现将FTP文件转移到另一个FTP服务器上
你有FTPClient就比较好办,假如你的两台FTP服务器分别为fs1和fs2
在本地开发代码思路如下:
通过FTPClient连接上fs1,然后下载(可以循环批量下载)到本地服务器,保存到一个临时目录。
下载完成后,FTPClient断开与fs1的连接,记得必须logout。
本地服务器通过FileInputStream将刚下载到临时目录的文件读进来,得到一个List<File>集合。
通过FTPClient连接上fs2,循环List<File>集合,将文件上传至fs2的特定目录,然后清空临时目录,上传完毕后,断开fs2的连接,同样必须logout。
E. 用java有一个ftp路径地址,需要把传送一些数据到ftp中怎样实现
1.使用的FileZillaServer开源,安装过后建立的本地FTP服务器。2.使用的apache上FTP工具包,引用到工程目录中。3.IDE,Eclipse,JDK6上传和目录的实现原理:对每一个层级的目录进行判断,是为目录类型、还是文件类型。如果为目录类型,采用递归调用方法,检查到最底层的目录为止结束。如果为文件类型,则调用上传或者方法对文件进行上传或者操作。贴出代码:(其中有些没有代码,可以看看,还是很有用处的)!
F. java如何实现两台ftp服务器之间的文件传输10
�0�2我知道apache有个commons net包,其中的FTPClient类可以实现客户端和服务之间的文件传输,但是我如果使用这种方式的话,就得将一台服务器上的文件传到我本地,再将这个文件传到另一台服务器上,感觉这中间多了一步操作;我想请问大家如何能不通过本机,直接操作两台服务器,将文件从一台服务器传到另一台服务器上,如果有人知道实现方式,希望不吝赐教,谢谢了!问题补充:<div class="quote_title"suziwen 写道</div<div class="quote_div"把JAVA程序放在其中一台FTP服务 器A上,通过A服务器上的JAVA登录到另一台FTP服务器,F代码执行文 件的上传,下载。 / /</div / /谢谢你们的回答,你们说的这种方式我明白。
G. java jdk1.6环境下实现 ftp文件上传
通过JDK自带的API实现
package com.cloudpower.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import sun.net.TelnetInputStream;
import sun.net.TelnetOutputStream;
import sun.net.ftp.FtpClient;
/**
* Java自带的API对FTP的操作
* @Title:Ftp.java
* @author: 周玲斌
*/
public class Ftp {
/**
* 本地文件名
*/
private String localfilename;
/**
* 远程文件名
*/
private String remotefilename;
/**
* FTP客户端
*/
private FtpClient ftpClient;
/**
* 服务器连接
* @param ip 服务器IP
* @param port 服务器端口
* @param user 用户名
* @param password 密码
* @param path 服务器路径
* @author 周玲斌
* @date 2012-7-11
*/
public void connectServer(String ip, int port, String user,
String password, String path) {
try {
/* ******连接服务器的两种方法*******/
//第一种方法
// ftpClient = new FtpClient();
// ftpClient.openServer(ip, port);
//第二种方法
ftpClient = new FtpClient(ip);
ftpClient.login(user, password);
// 设置成2进制传输
ftpClient.binary();
System.out.println("login success!");
if (path.length() != 0){
//把远程系统上的目录切换到参数path所指定的目录
ftpClient.cd(path);
}
ftpClient.binary();
} catch (IOException ex) {
ex.printStackTrace();
throw new RuntimeException(ex);
}
}
/**
* 关闭连接
* @author 周玲斌
* @date 2012-7-11
*/
public void closeConnect() {
try {
ftpClient.closeServer();
System.out.println("disconnect success");
} catch (IOException ex) {
System.out.println("not disconnect");
ex.printStackTrace();
throw new RuntimeException(ex);
}
}
/**
* 上传文件
* @param localFile 本地文件
* @param remoteFile 远程文件
* @author 周玲斌
* @date 2012-7-11
*/
public void upload(String localFile, String remoteFile) {
this.localfilename = localFile;
this.remotefilename = remoteFile;
TelnetOutputStream os = null;
FileInputStream is = null;
try {
//将远程文件加入输出流中
os = ftpClient.put(this.remotefilename);
//获取本地文件的输入流
File file_in = new File(this.localfilename);
is = new FileInputStream(file_in);
//创建一个缓冲区
byte[] bytes = new byte[1024];
int c;
while ((c = is.read(bytes)) != -1) {
os.write(bytes, 0, c);
}
System.out.println("upload success");
} catch (IOException ex) {
System.out.println("not upload");
ex.printStackTrace();
throw new RuntimeException(ex);
} finally{
try {
if(is != null){
is.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if(os != null){
os.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 下载文件
* @param remoteFile 远程文件路径(服务器端)
* @param localFile 本地文件路径(客户端)
* @author 周玲斌
* @date 2012-7-11
*/
public void download(String remoteFile, String localFile) {
TelnetInputStream is = null;
FileOutputStream os = null;
try {
//获取远程机器上的文件filename,借助TelnetInputStream把该文件传送到本地。
is = ftpClient.get(remoteFile);
File file_in = new File(localFile);
os = new FileOutputStream(file_in);
byte[] bytes = new byte[1024];
int c;
while ((c = is.read(bytes)) != -1) {
os.write(bytes, 0, c);
}
System.out.println("download success");
} catch (IOException ex) {
System.out.println("not download");
ex.printStackTrace();
throw new RuntimeException(ex);
} finally{
try {
if(is != null){
is.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if(os != null){
os.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public static void main(String agrs[]) {
String filepath[] = { "/temp/aa.txt", "/temp/regist.log"};
String localfilepath[] = { "C:\\tmp\\1.txt","C:\\tmp\\2.log"};
Ftp fu = new Ftp();
/*
* 使用默认的端口号、用户名、密码以及根目录连接FTP服务器
*/
fu.connectServer("127.0.0.1", 22, "anonymous", "IEUser@", "/temp");
//下载
for (int i = 0; i < filepath.length; i++) {
fu.download(filepath[i], localfilepath[i]);
}
String localfile = "E:\\号码.txt";
String remotefile = "/temp/哈哈.txt";
//上传
fu.upload(localfile, remotefile);
fu.closeConnect();
}
}