Network_programming_project/Case_module/src/Case_package2/Client.java

package Case_package2;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;

public class Client {
    public static void main(String[] args) throws IOException {
        //客户端：发送一条数据，接收服务端反馈的消息并打印
        //服务器：接收数据并打印，再给客户端反馈消息

        //1、创建Socket对象并连接服务器
        Socket socket = new Socket("127.0.0.1", 10000);

        //2、写出数据
        String str = "见到你很高兴！";
        OutputStream os = socket.getOutputStream();
        os.write(str.getBytes());

        //写出一个结束标记
        socket.shutdownOutput();

        //3、接收服务端回写的数据
        InputStream is = socket.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        int b;
        while ((b = isr.read()) != -1) {
            System.out.print((char) b);
        }

        //释放资源
        socket.close();
    }
}