import java.net.*; import java.io.*; public class a { public static void main(String[] args) { try {//建立socket ServerSocket s1 = new ServerSocket(13555);//注:如果服务器在内网需要端口映射 Socket x = s1.accept(); System.out.println("服务已开启"); //读取客户端的信息 BufferedReader br = new BufferedReader(new InputStreamReader(x.getInputStream())); String mess = br.readLine(); //打印出来 System.out.println(mess); //回复 BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(x.getOutputStream())); bw.write(mess+"123"); bw.flush(); } catch (IOException e) { e.printStackTrace(); System.out.println("can't"); } } }
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