fileaccept.java

java开发的桌面应用程序

package com;

import java.io.DataInputStream;
import java.io.File;
import java.io.RandomAccessFile;
import java.net.ServerSocket;
import java.net.Socket;

import javax.swing.JFileChooser;


public class FileAccept
{
    public void acceptFile(int port)
    {
        try
        { 
        	/**
        	 * 偙偺while(true)偼埆偄偱偡丄
        	 * 摦懺暘攝port偑偙偺栤戣傪柶傟傞偙偲偑偱偒傑偡
        	 * 埲屻夝寛偟傑偡
        	 */
        	while(true){
        	String path;
        	ServerSocket clientP =new ServerSocket(port);
        	Socket client=clientP.accept();
        	JFileChooser jfc=new JFileChooser();
        	int determine=jfc.showSaveDialog(null);
        	if(determine==JFileChooser.APPROVE_OPTION){
        		path=jfc.getSelectedFile().toString();
        		File fileTo = new File(path); 
            	//fileTo.createNewFile();
            	DataInputStream dis =new DataInputStream(client.getInputStream());
            	RandomAccessFile raf=new RandomAccessFile(fileTo,"rw");
            	byte[] buf=new byte[1024];
            	int num=dis.read(buf);
            	while(num!=-1){
            		raf.write(buf,0,num);
            		raf.skipBytes(num);
            		num=dis.read(buf);
            	}
            	raf.close();
            	dis.close();
            	clientP.close();
        	}
        	
        	}
        } catch (Throwable t)
          {
            t.printStackTrace();
          }
    }
}