filesender.java

使用java语言写的聊天工具

import java.net.*;
import java.io.*;
import java.awt.List;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
/*
 * 该类实现的是文件的传输功能
 * 默认的端口是9998
 */
public class FileSender extends Thread 
{
    String descNickname;
    String descIP;
    int port=9900;
    String fileName;
    long count=0;
    List chatContentList;
    public FileSender(String nickname,String fileName,List chatContentList) 
    {
        this.descNickname=nickname;
        this.fileName=fileName;
        this.chatContentList=chatContentList;
    }
    public void run()
    {
        try 
        {
        	Socket s=new Socket(InetAddress.getByName(this.descIP),this.port);
        	File file =new File(fileName);
        	FileInputStream fis=new FileInputStream(file);
        	BufferedInputStream bis = new BufferedInputStream(fis);
        	BufferedOutputStream bos=new BufferedOutputStream(s.getOutputStream());
        	byte[] buff = new byte[1024];
        	int i = 0;
        	ClientFrame.jLabel5.setText(file.getName());
        	ClientFrame.bar.setMinimum (0);
        	ClientFrame.bar.setMaximum((int)(file.length()/1024));
            while ((i = bis.read(buff, 0, buff.length)) != -1) 
            {
            	count+=buff.length;
            	ClientFrame.bar.setValue ((int)(count)/1024);
            	bos.write(buff,0,i);
            	bos.flush();
            }
            bis.close();
            s.close();
            JOptionPane.showMessageDialog(null, "发送文件成功！", "提示",JOptionPane.INFORMATION_MESSAGE);
            ClientFrame.bar.setVisible(false);
            ClientFrame.jLabel5.setText("");
            ClientFrame.filelength=0;
        } 
        catch (Exception ex) 
        {
            ex.printStackTrace();
        }
    }
    public void setDescIP(String ip)
    {
        this.descIP=ip;
    }
}