public boolean uploadFile(String RWFileDir,String filepathname,String filename)
{  
    boolean result=true;  
    String message = ""; 
    String name ="";
    if (aftp.serverIsOpen())  
    {  
     System.out.println("正在上传文件"+filepathname+",请等待....");  
     try
     {      
       name = new String(filename.getBytes("UTF-8"));
     RandomAccessFile sendFile = new RandomAccessFile(filepathname,"r");  
     sendFile.seek(0);  
     outs = aftp.put(name); 
     outputs = new DataOutputStream(outs); 
     while (sendFile.getFilePointer() < sendFile.length() )  
    {  
     ch = sendFile.read();  
     outputs.write(ch);  
    }  
                   
    outputs.flush();
                  
    message = "上传"+filepathname+"文件成功!"; 
    System.out.println(message);       
                
    outputs.close();
    outs.close();  
    sendFile.close();  
    log(RWFileDir,message); //记录日志
    } 
    catch(IOException e)
    {  
     message = "上传"+filepathname+"文件失败!"+e; 
     System.out.println(message);  
    log(RWFileDir,message); 
    result = false ;          
     }  
      }  
  else
     {  
       result = false;  
      }
 return result;  
}