此demo是基于TCP Socket的聊天案例,首先客户端通过键盘输入字符串,通过标准输入流读取字符串,然后通过Socket获得输出流,将字符串写入输出流。接着服务器通过Socket获得输入流,从输入流中读取来自客户端发送的字符串,然后通过输出流输出到控制台
服务器端代码如下:
package socketChat;
import java.io.DataInputStream;
import java.io.DataOutputStream;
public class CharClient {
public static void main(String[] args) {
System.out.println("Server is running...");
Thread t = new Thread(() -> {
try(//创建一个ServerSocket监听端口8080客户请求
ServerSocket server = new ServerSocket(8080);
//使用accept()阻塞等待客户端请求
Socket socket = server.accept();
DataInputStream in = new DataInputStream(socket.getInputStream());
DataOutputStream out = new DataOutputStream(socket.getOutStream());
BufferendReader keyboardIn = new BufferedReader(new InputStreamReader(System.in))) {
while (true) {
//接收数据
String str = in.readUTF();
//打印接收的数据
System.out.printf("从客户端接收到的数据:" + str);
//发送数据
//读取键盘输入的字符串
String keyboardInputString = keyboardIn.readLine();
//结束聊天
if(keyboardInputString.equals("bye")){
break;
}
//发送
out.writeUTF(keyboardInputString);
out.flush();
}
}catch(Exception e){
}
System.out.println("Server stop...");
});
t.start();
}
}