01_24_Socket编程

01_24_Socket编程

//SocketActivity.java 服务器端
package mars.socket;

import java.io.IOException;
import java.io.InputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.ServerSocket;
import java.net.Socket;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class SocketActivity extends Activity {
    /** Called when the activity is first created. */
    private Button startButton = null;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        startButton = (Button)findViewById(R.id.startListener);
        startButton.setOnClickListener(new StartSocketListener());
    }

    class StartSocketListener implements OnClickListener{

        @Override
        public void onClick(View v) {
            System.out.print("111111111Start*************");
            new ServerThread().start();
        }

    }

    class ServerThread extends Thread{
        /* TCP
         * 1、创建一个服务SOCKET: serverSocket = new ServerSocket(port);
         * 2、接受客户端发送的请求： socket = serverSocket.accept()
         * 3、取出socket中的输入流： inputSteam = socket.getINputStream()
         * 4、把输入流读到字节流中 temp = imputSteam.read(buffer);
         * 5、把字节流转换为字符串：str = new String(buffer,0,temp);
         * */
        public void run(){
            //声明一个ServerSocket对象
            System.out.print("1111111111run*******");

            ServerSocket serverSocket = null;
            try {
                //创建一个ServerSocket对象，并让这个Socket在4567端口监听
                serverSocket = new ServerSocket(4570);
                System.out.print("new ServerSocket(4567)*******");
                //调用ServerSocket的accept()方法，接受客户端所发送的请求
                Socket socket = serverSocket.accept();
                System.out.print("1111111111serverSocket.accept()");
                //从Socket当中得到InputStream对象
                InputStream inputStream = socket.getInputStream();
                System.out.print("1111111111socket.getInputStream()");
                byte buffer [] = new byte[1024*4];
                int temp = 0;
                //从InputStream当中读取客户端所发送的数据
                while((temp = inputStream.read(buffer)) != -1){
                    System.out.println(new String(buffer,0,temp));
                }
                System.out.print("1111111111 end");
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            finally{
                try {
                    serverSocket.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }

        }

        /*UDP
         * 1、创建一个报文socket,并指定监听端口号 DatagramSocket socket = new DatagramSocket(4567);
         * 2、创建一个字节数组 data[] = new byte[1024];
         * 3、创建一个报文包DatagreamPacket packet = new DatagramPacket(data,data.length);指定接收到的数据放在data[]上
         * 4、使用DatagramSocket的receive(packet)接收数据包
         * 5、从packet报文包中去数据 packet.getData()
         */


        /*public void run(){
            try {
                //创建一个DatagramSocket对象，并指定监听的端口号
                System.out.print("1111111111run*******");
                DatagramSocket socket = new DatagramSocket(4567);

                System.out.print("1111111111socket*************");

                byte data [] = new byte[1024];
                //创建一个空的DatagramPacket对象
                DatagramPacket packet = new DatagramPacket(data,data.length);
                System.out.print("1111111111packet = new DatagramPacket(data,data.length)********");
                //使用receive方法接收客户端所发送的数据
                socket.receive(packet);
                System.out.print("1111111111111socket.receive(packet)*******");
                String result = new String(packet.getData(),packet.getOffset(),packet.getLength());
                System.out.print("1111111packet.getData()*********");
                System.out.println("111result--->" + result);
            } catch (Exception e) {
                System.out.print("catch (Exception e)*************");
                e.printStackTrace();
            }
        }*/
    }
}

//TCPClient.java TCP客户端  这里是一个java程序
package mars;

import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;

public class TCPClient {
    public static void main(String[] args) {
        /*TCP客户端
         * 1、创建socket: socket = new Socket("IP"，port);
         * 2、得到文件的输入流：inputSteam = new FileInputStream("f://file/words.txt");
         * 3、得到socket的输出流：socket.getOutputSteam()
         * 4、定义字节数字
         * 5、从输入流中读取数据到字节数组中：temp = inputSteam.read(buffer)
         * 6、把字节数组中的数据写到socket输出流中:outputStream.write(buffer,0,temp);
         * */
        try {
            //创建一个Socket对象，指定服务器端的IP地址和端口号
            Socket socket = new Socket("172.18.2.164",4570);
            System.out.print(" 222222222Socket72.18.2.164,4567******");
            //使用InputStream读取硬盘上的文件
            InputStream inputStream = new FileInputStream("f://file/words.txt");
            System.out.print("222222FileInputStream(");
            //从Socket当中得到OutputStream
            OutputStream outputStream = socket.getOutputStream();
            System.out.print("22222 socket.getOutputStream()");
            byte buffer [] = new byte[4*1024];
            int temp = 0 ;
            //将InputStream当中的数据取出，并写入到OutputStream当中
            while((temp = inputStream.read(buffer)) != -1){
                outputStream.write(buffer, 0, temp);
            }
            System.out.print("222222 end ");
            outputStream.flush();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

//UDPClient.java UDP客户端  这里是一个java程序
package mars;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class UDPClient {
    /*UDP
     * 1、创建一个报文流对象：DatagreamSocket socket = new DatagreamSocket(4567);并指定端口号
     * 2、创建一个InetAddress 指向服务器的地址：InetAddress serverAddress = InetAddress.getByName("172.2.18.164");
     * 3、定义一个字符串，并转换为字节 byte data[] = str.getBytes()
     * 4、创建一个数据报包  DatagramPacket对象，表配置
     *         DatagreamPacket packet = new DatagramPacket(data,data.length,serverAddress,4567);
     *     其中data为要发送的数据，serverAddress表服务器的地址，4567表端口号
     * 5、通过socket的send方法发送数据socket.send(packet)
     * */
    public static void main(String[] args) {
        try {
            //首先创建一个DatagramSocket对象
            DatagramSocket socket = new DatagramSocket(4567);
            System.out.print("222222222DatagramSocket socket = new DatagramSocket(4567);#######");
            //创建一个InetAddree
            InetAddress serverAddress = InetAddress.getByName("172.18.2.164");
            System.out.print("222222222InetAddress serverAddress = InetAddress.getByNam#######");
            String str = "hello";
            byte data [] = str.getBytes();
            //创建一个DatagramPacket对象，并指定要讲这个数据包发送到网络当中的哪个地址，以及端口号
            DatagramPacket packet = new DatagramPacket(data,data.length,serverAddress,4567);
            System.out.print(" 222222new DatagramPacket(data,data.length,serverAddress,4567);#######");
            //调用socket对象的send方法，发送数据
            socket.send(packet);
            System.out.print("22222222socket.send(packet#######");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}