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下面的代碼上傳文件的FTP服務器上傳空白文件時，FTP路徑有多於一個子目錄
public class UploadFile {
static ResourceBundle rsBundle = ResourceBundle.getBundle("com.mindcraft.resources.resources");
public void upload(String host,String username,String pwd,String inputfile,String uploadpath,String zip_filename)
{
//String zip_file_name= rsBundle.getString("zip_filename");
FTPClient ftp=new FTPClient();
try {
int reply;
ftp.connect(host);
ftp.login(username, pwd);
reply = ftp.getReplyCode();
System.out.println("reply1" + reply);
if(!FTPReply.isPositiveCompletion(reply))
{
ftp.disconnect();
}
System.out.println("FTP server connected.");
ftp.setFileType(FTP.BINARY_FILE_TYPE);
InputStream input= new FileInputStream(inputfile);
System.out.println("Directory.." + ftp.printWorkingDirectory());
String dirTree=uploadpath;
boolean dirExists = true;
String[] directories = dirTree.split("/");
for (String dir : directories)
{
if (!dir.isEmpty())
{
if (dirExists)
{
dirExists = ftp.changeWorkingDirectory(dir);
ftp.storeFile(dirTree+zip_filename,input);
System.out.println("1..");
}
if (!dirExists)
{
System.out.println("dir tree" + ftp.printWorkingDirectory());
if (!ftp.makeDirectory(dir))
{
throw new IOException("Unable to create remote directory '" + dir + "'. error='" + ftp.getReplyString()+"'");
}
if (!ftp.changeWorkingDirectory(dir))
{
throw new IOException("Unable to change into newly created remote directory '" + dir + "'. error='" + ftp.getReplyString()+"'");
}
System.out.println("dir tree" + ftp.printWorkingDirectory());
ftp.storeFile(dirTree+zip_filename,input);
}
}
}
System.out.println(ftp.getReplyString());
input.close();
ftp.logout();
}
catch(Exception e)
{
System.out.println("err"+ e);
e.printStackTrace();
}
finally
{
if(ftp.isConnected())
{
try
{
ftp.disconnect();
}
catch(Exception ioe)
{
}
}
}
}
}
在它工作正常時，上傳路徑有一個文件夾，例如。 /folder1/
但是，如果存在子文件夾或多個目錄，例如，它會上傳空白文件的字節0。 /folder1/folder2/
可能是什麼問題？