socket简单编程01（客户端向服务器发送文件，服务器接收到后回复客户端）

socket简单编程01（客户端向服务器发送文件，服务器接收到后回复客户端）

//工具类
package file.input.work;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class StreamUtils {
	public static byte[] streamTobyteArray(InputStream inputStream) throws IOException
	{
		byte[] buff = new byte[1024];
		ByteArrayOutputStream boStream = new ByteArrayOutputStream();
		int len;
		while((len=inputStream.read(buff))!=-1)
		{
			boStream.write(buff, 0, len);
		}
		byte[] bs = boStream.toByteArray();
		boStream.close();
		return bs;
	}
	
	public static String streamToString(InputStream in) throws IOException
	{
		StringBuilder sBuilder = new StringBuilder();
		InputStreamReader iReader = new InputStreamReader(in);
		BufferedReader bReader = new BufferedReader(iReader);
		String line;
		while((line=bReader.readLine())!=null)
		{
			sBuilder.append(line+"\r\n");
		}
		
		return sBuilder.toString();
	}
	
}

//服务器端
package file.input.work;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class ServerTwo {
	public static void main(String[] args) throws IOException {
		System.out.println("服务器端准备就绪。。。。");
		ServerSocket serverSocket = new ServerSocket(8888);
		Socket socket = serverSocket.accept();
		System.out.println("服务器端连接成功");
		
		
		BufferedInputStream bInputStream = new BufferedInputStream(socket.getInputStream());
		
		byte[] bs = StreamUtils.streamTobyteArray(bInputStream);	
		String path = "C:\\Users\\美力姐姐\\Pictures\\q.jpg";
		File file = new File(path);
		BufferedOutputStream bOutputStream = new BufferedOutputStream(new FileOutputStream(file));
		bOutputStream.write(bs);
		bOutputStream.flush();
		System.out.println("图片上传完成");
		bOutputStream.close();
		
		//回复收到图片
//		OutputStream oStream = socket.getOutputStream();
//		System.out.println("开始回复客户端消息。。。");
//		oStream.write("上传完成".getBytes());
//		oStream.flush();
//		socket.shutdownInput();
//		System.out.println("结束");
		
		OutputStream oStream = socket.getOutputStream();
		OutputStreamWriter  oWriter = new OutputStreamWriter(oStream);
		BufferedWriter bWriter = new BufferedWriter(oWriter);
		bWriter.write("客户端你已经上传完成");
		bWriter.newLine();
		bWriter.close();
		
		oStream.close();
		bInputStream.close();
		socket.close();
		serverSocket.close();
	}
}

//客户端
package file.input.work;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

public class ClientTow {
	public static void main(String[] args) throws IOException, IOException {
		Socket socket = new Socket(InetAddress.getLocalHost(), 8888);
		
		byte[] buff = new byte[1024];
		String path = "C:\\Users\\Pictures\\hg.jpg";
		File file = new File(path);
		FileInputStream fileInputStream = new FileInputStream(file);
		BufferedInputStream bInputStream = new BufferedInputStream(fileInputStream);
		byte[] byteArray = StreamUtils.streamTobyteArray(bInputStream);
		
		InputStream iStream = socket.getInputStream();
		
		BufferedOutputStream bOutputStream = new BufferedOutputStream(socket.getOutputStream());
		bOutputStream.write(byteArray);
		bOutputStream.flush();
		System.out.println("上传完成");
		bInputStream.close();
		socket.shutdownInput();
		
		//原始方法接收消息
//		byte[] b = new byte[1024];
//		int len ;
//		System.out.println("开始接收消息");
//		while((len=iStream.read(b))!=-1)
//		{
//			System.out.println(new String(b, 0, len));
//		}
//		System.out.println("接收完成");
		
		String s = StreamUtils.streamToString(iStream);//自己写的工具类
		System.out.println(s);
		
		iStream.close();
		bOutputStream.close();
		socket.close();
	}
}