emote.substring(0,remote.lastIndexOf("/")+1);
if(!directory.equalsIgnoreCase("/")&&!ftpClient.changeWorkingDirectory(directory)){
//如果远程目录不存在，则递归创建远程服务器目录
int start=0;
int end = 0;
if(directory.startsWith("/")){
start = 1;
}else{
start = 0;
}
end = directory.indexOf("/",start);
while(true){
String subDirectory = remote.substring(start,end);
if(!ftpClient.changeWorkingDirectory(subDirectory)){
if(ftpClient.makeDirectory(subDirectory)){
ftpClient.changeWorkingDirectory(subDirectory);
}else {
System.out.println("创建目录失败");
return UploadStatus.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;
}
}
}
}
//检查远程是否存在文件
FTPFile[] files = ftpClient.listFiles(remoteFileName);
if(files.length == 1){
long remoteSize = files[0].getSize();
File f = new File(local);
long localSize = f.length();
if(remoteSize==localSize){
return UploadStatus.File_Exits;
}else if(remoteSize > localSize){
return UploadStatus.Remote_Bigger_Local;
}
//尝试移动文件内读取指针,实现断点续传
InputStream is = new FileInputStream(f);
if(is.skip(remoteSize)==remoteSize){
ftpClient.setRestartOffset(remoteSize);
if(ftpClient.storeFile(remote, is)){
return UploadStatus.Upload_From_Break_Success;
}
}
//如果断点续传没有成功，则删除服务器上文件，重新上传
if(!ftpClient.deleteFile(remoteFileName)){
return UploadStatus.Delete_Remote_Faild;
}
is = new FileInputStream(f);
if(ftpClient.storeFile(remote, is)){
result = UploadStatus.Upload_New_File_Success;
}else{
result = UploadStatus.Upload_New_File_Failed;
}
is.close();
}else {
InputStream is = new FileInputStream(local);
if(ftpClient.storeFile(remoteFileName, is)){
result = UploadStatus.Upload_New_File_Success;
}else{
result = UploadStatus.Upload_New_File_Failed;
}
is.close();
}
return result;
}
/**
* 断开与远程服务器的连接
* @throws IOException
*/
public void disconnect() throws IOException{
if(ftpClient.isConnected()){
ftpClient.disconnect();
}
}
public static void main(String[] args) {
ContinueFTP myFtp = new Con |