网络编程-TCP连接-readLine

Server：

package com.net.tcp;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;

public class MyServer {

    public static void main(String[] args) {
        try {
            ServerSocket ss = new ServerSocket(30000);
            while(true){
                Socket s= ss.accept();
                try(BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()))){
                    String line;
                    while(true){
                        line=in.readLine();
                        if(line.equals("end")){
                            System.out.println("over");
                            break;
                        }else{
                            System.out.println(line);
                        }                                                
                    }
                    PrintStream ps = new PrintStream(s.getOutputStream());
                    ps.println("收到消息
");
                    ps.println("end");
                    ps.flush();
                    in.close();
                    ps.close();
                }                
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}

Client：

package com.net.tcp;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;

public class MyClient {

    public static void main(String[] args) {
        Socket s = new Socket();
        try {
            s.connect(new InetSocketAddress("127.0.0.1", 30000), 10000);
            PrintStream ps = new PrintStream(s.getOutputStream());
            ps.println("发送消息
");
            ps.println("发送消息3
");
            ps.println("end");//用作结束标记
            ps.flush();
            try(BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()))){
                String line;
                while(true){
                    line=in.readLine();
                    if(line.equals("end")){
                        System.out.println("over");
                        break;
                    }else{
                        System.out.println(line);
                    }
                }
                try {
                    Thread.sleep(3000);
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }    
                in.close();
                ps.close();
            }
            
            s.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}