JAVA#TCP_1

@Test//
    public void Client(){
        Socket socket= null;
        OutputStream outputStream=null;
        try {
            socket=new Socket(InetAddress.getByName("175.159.70.105"),9292);//创建socket对象,通过构造器指明服务器的IP地址,端口号
            outputStream=socket.getOutputStream();//发送数据
            outputStream.write("客户端".getBytes());
        }catch (IOException e){
            e.printStackTrace();
        }finally {//关闭流及socket
            if(outputStream!=null){
                try {
                    outputStream.close();
                }catch (IOException e){
                    e.printStackTrace();
                }

            }
            if(socket!=null){
                try{
                    socket.close();
                }catch (IOException E){
                    E.printStackTrace();
                }

            }

        }

    }
    @Test//
    public void server(){
        ServerSocket serverSocket=null;
        Socket s=null;
        InputStream is=null;
        try {
            serverSocket=new ServerSocket(9292);//创建ServerSockett对象及端口号
            s=serverSocket.accept();//返回一个Socket对象
            is=s.getInputStream();//接收文件
            byte[] b=new byte[15];
            int len;
            while((len=is.read(b))!=-1){
                String str=new String(b,0,len);
                System.out.println(str);
            }
            System.out.println("收到来自于"+s.getInetAddress().getHostAddress()+"的文件");
        }catch (IOException E){
            E.printStackTrace();
        }finally {
            if(is!=null){
                try {
                    is.close();
                }catch (IOException E){
                    E.printStackTrace();
                }

            }
            if(s!=null){
                try {
                    s.close();
                }catch (IOException E){
                    E.printStackTrace();
                }

           }
            if(serverSocket!=null){
                try {
                    serverSocket.close();
                }catch (IOException E){
                    E.printStackTrace();
                }

           }

        }


    }
}
客户给服务端发送信息,服务端输出此信息在服务台上
客户端
收到来自于175.159.70.105的文件

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转载自blog.csdn.net/Iverson941112/article/details/86480217