最简单网络编程之客户端往服务器端送东西02

package com.lin;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;


public class MusicTCPServer {
	private BufferedInputStream bufferedInputStream;// 创建BufferedReader对象
	private ServerSocket server;// 创建服务套接字对象
	private Socket socket;
    private BufferedOutputStream bufOutStream =null;
	public void getServer() {
		try {
			server = new ServerSocket(8998);
			System.out.println("MusicTCPServer服务器套接字已创建成功");
			while (true) {
				System.out.println("等待客户机的连接");
				socket = server.accept();//等待客户机的连接,进入等待状态,并返回这个客户端对象
				//当客户端能够连接上之后,读取客户端传过来的东西
				System.out.println("连接成功");
				//注意BufferedReader是用于处理字符串的，而bufferedInputStream是用来处理二进制的
			    bufferedInputStream=new BufferedInputStream(socket.getInputStream());
			    //注意c:\\1.mp3原本没有
				bufOutStream =new BufferedOutputStream(new FileOutputStream("c:\\1.mp3"));
				getClientMessage();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private void getClientMessage() {
		try {
					int ch=0;
		        	while ((ch=bufferedInputStream.read())!=-1) {
		        		//服务器向客户端传送数据
		        		bufOutStream.write(ch);
					} 
		        	System.out.println("上传成功");
				
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (bufOutStream != null)
					bufOutStream.close();
				if (bufferedInputStream != null)
					bufferedInputStream.close();
				if (socket != null)
					socket.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	public static void main(String[] args) {
		MusicTCPServer tcp = new MusicTCPServer();
		tcp.getServer();
	}

}

客户端

package com.lin;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.net.*;


public class MusicTCPClient {
	public static void main(String[] args) {
		Socket s = null;
		OutputStream os = null;
		BufferedInputStream bufInStream=null;
		BufferedOutputStream bufOutStream=null;
        try {
        	// 建立连接
        	s = new Socket("127.0.0.1",8998);//在客户端建立连接要指定ip 和要链接的服务器端口
        	os = s.getOutputStream();//这里 的OutputStream是从Socket里获取的
        	bufOutStream=new BufferedOutputStream(os);
        	bufInStream=new BufferedInputStream(new FileInputStream("c:\\0.mp3"));
        	int ch=0;
        	while ((ch=bufInStream.read())!=-1) {
        		//向服务器发送东西
        		bufOutStream.write(ch);
			}  	
        	
		} catch (Exception e) {
			e.printStackTrace();
		}finally{
			try {
				if(bufInStream!=null)
					bufInStream.close();
				if(os!=null)
					os.close();
				if(s!=null)
					s.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}

}