SocketClient 客户端代码
import java.io.*; import java.net.Socket; import java.net.UnknownHostException; public class SocketClient { public static void main(String[] args) { Socket socket = null; try { socket = new Socket("127.0.0.1", 9991); //向服务器端第一次发送字符串 OutputStream netOut = socket.getOutputStream(); DataOutputStream doc = new DataOutputStream(netOut); DataInputStream in = new DataInputStream(socket.getInputStream()); //向服务器端第二次发送字符串 while(true){ System.out.println("请输入发送信息:"); BufferedReader sin=new BufferedReader(new InputStreamReader(System.in)); String readline=sin.readLine(); //从系统标准输入读入一字符串 if("bye".equals(readline)){ System.out.println("您退出了"); break; } doc.writeUTF(readline); String res = in.readUTF(); System.out.println("服务端返回结果为:"+res); } doc.close(); in.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } { if (socket != null) { try { socket.close(); } catch (IOException e) { } } } } }
服务端代码
import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.net.ServerSocket; import java.net.Socket; public class SocketManager { public static void main(String[] args) { SocketManager manager = new SocketManager(); manager.doListen(); } public void doListen() { ServerSocket server; try { server = new ServerSocket(9991); Socket client = server.accept(); while (true) { DataInputStream input; DataOutputStream output; try { input = new DataInputStream(client.getInputStream()); output = new DataOutputStream(client.getOutputStream()); // String listMsg = input.readUTF(); output.writeUTF(listMsg); System.out.println("Recive: " + listMsg); } catch (IOException e) { e.printStackTrace(); } } } catch (IOException e) { e.printStackTrace(); } } }