JAVA TCP通信

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客户端：

package blog_Upload;import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.Socket;import java.net.UnknownHostException;public class TCP_Client {        public static void main(String[] args) throws UnknownHostException, IOException {                //建立客户端套接字                Socket s = new Socket("10.210.161.206",7777);                //获取输出流对象                OutputStream os = s.getOutputStream();                //读取本地文件                BufferedReader br = new BufferedReader(new FileReader("D:\\新建文本文档.txt"));                        String str = null;                System.out.println("客户端开始上传！");                //开始上传                while((str = br.readLine()) != null)                {                        os.write(str.getBytes());                        os.write("\r\n".getBytes());                }                s.shutdownOutput();          //上传结束标志                //获取输入流对象                InputStream in = s.getInputStream();                //客户端读入数据                byte[] b = new byte [1024];                 int len = in.read(b);                System.out.println(new String(b,0,len));                System.out.println("客户端上传完毕");                os.close();        }}

服务器端：

package blog_Upload;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.ServerSocket;import java.net.Socket;public class TCP_Server {        public static void main(String[] args) throws IOException {                System.out.println("服务器端开启。。。");                //创建服务器套接字对象                ServerSocket ss = new ServerSocket(7777);                //获取客户端套接字对象                Socket s = ss.accept();                //获取输入流，并用bufferedreader装饰                BufferedReader br = new BufferedReader(new InputStreamReader( s.getInputStream()));                //在本地创建副本                BufferedWriter bw = new BufferedWriter(new FileWriter("D:\\新建文本文档_副本.txt"));                String buff= null;                //开始复制                while((buff = br.readLine()) != null)                {                        bw.write(buff);                        bw.newLine();                        bw.flush();                                        }                System.out.println("数据接收完毕。。");                 String str1 = "服务器端接收完毕";                 OutputStream os = s.getOutputStream();                 os.write(str1.getBytes());                 s.close();                 ss.close();                        }}

结果：

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