/**
* ftp上传工具类
*
*/
public class ftputil {
static logger logger = logger.getlogger(ftputil.class.getname());
   private string ip;
   private string username;
   private string password;
   private int port = -1;
   private string path;
   private outputstream os = null;
   private fileinputstream is = null;
private ftpclient ftpclient;
public ftpclient getftpclient() { return ftpclient; }
public void setftpclient(ftpclient ftpclient) {
this.ftpclient = ftpclient;
}
public ftputil(){
}
public ftputil(string serverip, string username, string password) {
 this.ip = serverip;
 this.username = username;
 this.password = password;
}
public ftputil(string serverip, int port, string username, string password) {
 this.ip = serverip;
 this.username = username;
 this.password = password;
 this.port = port;
 this.ftpclient= new ftpclient();
}
/**
 *
 * @return 是否连接服务器
 */
public boolean ftplogin() {  
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.ip, this.port);    
}else {    
this.ftpclient.connect(this.ip);    
}  
int reply = this.ftpclient.getreplycode();    
if (!ftpreply.ispositivecompletion(reply)) {    
this.ftpclient.disconnect();
logger.info(登录ftp服务失败！);  
return islogin;    
}    
if(this.ftpclient.login(this.username, this.password)){
this.ftpclient.enterlocalpassivemode(); // 设置传输协议        
this.ftpclient.setfiletype(ftpclient.binary_file_type);
logger.info(this.username + 成功登陆ftp服务器);  
islogin = true;
}else{
logger.info(this.username + 登录ftp服务失败！);
}
}catch (exception e) {    
e.printstacktrace();  
logger.error( 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();
}catch (ioexception e) {      
e.printstacktrace();
logger.error(关闭ftp服务器的连接异常！);    
}    
}  
}  
}
/**  
* 上传ftp文件    
* @param localfile           当地文件  
* @param romotuploadepath    上传服务器路径    
*/  
public boolean uploadfile(file localfile, string romotuploadepath) {  
bufferedinputstream instream = null;  
boolean success = false;  
try {    
this.ftpclient.changeworkingdirectory(romotuploadepath);
instream = new bufferedinputstream(new fileinputstream(localfile));  
success = this.ftpclient.storefile(localfile.getname(), instream);    
if (success == true) {  
system.out.println(localfile.getname() + 上传成功);///
return success;    
}  
}catch (filenotfoundexception e) {    
e.printstacktrace();  
}catch (ioexception e) {    
e.printstacktrace();  
}finally {    
if (instream != null) {    
try {      
instream.close();    
}catch (ioexception e) {      
e.printstacktrace();    
}    
}  
}  
return success;  
}
/**上传文件夹    
* @param localdirectory       本地文件夹      
* @param remotedirectorypath  远程路径
*/  
public boolean uploaddirectory(string localdirectory,string remotedirectorypath) {  
file src = new file(localdirectory);  
system.out.println(src.getname());
try {    
remotedirectorypath = remotedirectorypath + src.getname() + /;    
boolean makedirflag = ftpclient.makedirectory(remotedirectorypath);    
system.out.println(localdirectory : + localdirectory);    
system.out.println(remotedirectorypath : + remotedirectorypath);    
system.out.println(src.getname() : + src.getname());    
system.out.println(remotedirectorypath : + remotedirectorypath);    
system.out.println(makedirflag : + makedirflag);  
// ftpclient.listdirectories();  
}catch (ioexception e) {    
e.printstacktrace();
}  
file[] allfile = src.listfiles();
if(allfile.length==0||allfile.length>0){
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()) {
uploaddirectory(allfile[currentfile].getpath().tostring(),  //递归      
remotedirectorypath);    
}  
}  
}
/*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()) {
uploaddirectory(allfile[currentfile].getpath().tostring(),  //递归      
remotedirectorypath);    
}  
}   */
return true;  
}
以上就是ftp上传实例代码的详细内容。