上传图片Tcp交互

package photodemo;

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

public class send {

	public static void main(String[] args) throws UnknownHostException, IOException {
		// TODO Auto-generated method stub
		Socket s = new Socket("192.168.2.143",10006);

		BufferedInputStream bfr = new BufferedInputStream(new FileInputStream("d:\\1.jpg"));
		BufferedOutputStream bout = new BufferedOutputStream(s.getOutputStream());
		int ch = 0;
		while((ch = bfr.read()) != -1)
		{
			bout.write(ch);
			bout.flush();
		}
		s.shutdownOutput();

		InputStream in = s.getInputStream();
		byte buf[] = new byte[1024];
		int len = in.read(buf);

		System.out.println(new String(buf,0,len));

		s.close();
		bout.close();
		in.close();
		bfr.close();

	}
}

package photodemo;

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

public class Server {

	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		ServerSocket ss = new ServerSocket(10006);

		Socket s = ss.accept();

		BufferedInputStream bin = new BufferedInputStream(s.getInputStream());

		BufferedOutputStream bw = new BufferedOutputStream(new FileOutputStream("d:\\1copy.jpg"));

		int ch = 0;
		while((ch = bin.read()) != -1)
		{
			bw.write(ch);
			//bw.flush();
		}

		OutputStream out = s.getOutputStream();
		out.write("上传成功".getBytes());

		ss.close();
		bin.close();
		s.close();
		bw.close();
		out.close();

	}

}

原文地址：https://www.cnblogs.com/WINDZLY/p/11964763.html