package NewQQ;import java.io.*;public class FileTransportThread extends Thread{	String file;	SingleFrame sf;	ObjectOutputStream oos;	public FileTransportThread(String file, SingleFrame sf, ObjectOutputStream oos) {		this.file = file;		this.sf = sf;		this.oos = oos;	}	public void run(){		try {			byte[] data = new byte[1024];			FileInputStream fis = new FileInputStream(new File(file));			int len = fis.read(data);			while(len>0){				QQMessage filem = new QQMessage();				filem.setSender(sf.me);				filem.setRecver(sf.name);				filem.setType(8);				filem.setData(data);				filem.setLen(len);				oos.writeObject(filem);				oos.flush();				len = fis.read(data);			}			QQMessage filem = new QQMessage();			filem.setSender(sf.me);			filem.setRecver(sf.name);			filem.setType(9);			oos.writeObject(filem);			oos.flush();			fis.close();			sf.jtextarea.append("文件發(fā)送完畢\n\n");			file = "";		} catch (Exception e) {		}	}}