网络编程--使用TCP协议发送接收数据

package com.zhangxueliang.tcp;
 
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
/***
 * 使用tcp协议发送接收数据
 * @author zxlt
 *
 */
public class ClientDemo {
 
    public static void main(String[] args) throws IOException {
        //创建发送端Socket对象--创建连接
        Socket s = new Socket(InetAddress.getByName("zxlt"),10000);
        //获取输出流对象
        OutputStream os = s.getOutputStream();
        //发送数据
        String str = "Hello TCP,I`m coming";
        os.write(str.getBytes());
        //释放资源
        os.close();
        s.close();
    }
 
}

package com.zhangxueliang.tcp;
 
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
 
public class ServerDemo {
 
    public static void main(String[] args) throws IOException {
        //创建接收端Socket对象
        ServerSocket ss = new ServerSocket(10000);
        //监听 阻塞
        Socket s = ss.accept();
        //获取输入流对象
        InputStream is = s.getInputStream();
        //获取数据
        byte[] bys = new byte[1024];
        int length;//用于存储读到的字节个数
        length = is.read(bys);
        //输出数据
        InetAddress address = s.getInetAddress();
        System.out.println("client--> "+address.getHostAddress());
        System.out.println(new String(bys,0,length));
        //释放资源
        s.close();
    }
 
}