使用ServerSocket和Socket实现服务器端和客户端的Socket通信。
了解完socket通信步骤后可以发现本实验需要写两个类:Server和Client,并且要先运行Server再运行Client。
先构造服务器端
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import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; import java.util.concurrent.ExecutorService; import java.util.concurrent.ScheduledThreadPoolExecutor; /** * @author: Ren * @date: 2020-08-03 15:23 * @description: */ public class TcpserverC2 { public static void main(String[] args) throws IOException { // 定义多线程,让多个用户都可以参与到聊天室 ExecutorService pool = new ScheduledThreadPoolExecutor( 10 ); // 绑定端口 ServerSocket serverSocket = new ServerSocket( 8888 ); // 利用循环一直来读取新的socket while ( true ) { // 开始serversocket侦听请求,这方法会阻塞等待tcp请求的到来,一旦到来,就返回 Socket accept = serverSocket.accept(); pool.execute( new Runnable() { Socket socket = accept; // 定义字节数组来读取输入流 byte [] buf = new byte [ 1024 ]; @Override public void run() { // 定义输入输出流 InputStream in = null ; OutputStream out = null ; try { in = socket.getInputStream(); out = socket.getOutputStream(); while ( true ) { int len = in.read(buf); System.out.println( "服务器收到:" + new String(buf, 0 , len, ( "utf-8" ))); // 聊天室服务端一般不会参与对话,所以一般不加这个功能 // String xitongshuohua = scanner.nextLine(); // out.write("谢谢".getBytes(Charset.forName("utf-8"))); out.write( "谢谢" .getBytes(( "utf-8" ))); } } catch (IOException e) { e.printStackTrace(); } } }); } } } |
再构建客户端
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import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import java.util.Scanner; /** * @author: Ren * @date: 2020-08-03 15:23 * @description: */ public class TcpClientC2 { public static void main(String[] args) throws IOException { // 目标地址,目标端口 Socket socket = new Socket( "127.0.0.1" , 8888 ); InputStream in = socket.getInputStream(); OutputStream out = socket.getOutputStream(); Scanner scanner = new Scanner(System.in); byte [] buf = new byte [ 1024 ]; while ( true ) { String word = scanner.nextLine(); out.write(word.getBytes(( "utf-8" ))); int lrn = in.read(buf); System.out.println( "服务端回复:" + new String(buf, 0 ,lrn,( "utf-8" ))); } } } |
服务器端构建在一个主机上,然后在多台电脑创建客户端,并访问服务器端所在的主机就可以构成聊天室的效果,当然前提是在同一个局域网下。
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/weixin_44281922/article/details/107770997