android与pc的socket通信JAVA

import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.ServerSocket;import java.net.Socket;public class YaoChatServer extends Thread {private YaoChatServer() throws IOException {   CreateSocket();   //创建Socket服务器} public void run() {    Socket client;   String txt;   try {     while (true)    //线程无限循环，实时监听socket端口    {     client=ResponseSocket();            //响应客户端链接请求。。         while(true)     {      txt=ReceiveMsg(client);        System.out.println(txt);      //链接获得客户端发来消息，并将其显示在Server端的屏幕上         SendMsg(client,txt);      //向客户端返回消息      if(true)break;      //中断，继续等待链接请求     }         CloseSocket(client);     //关闭此次链接    }      }    catch (IOException e) {    System.out.println(e);   }}private ServerSocket server = null;private static final int PORT = 5000;private BufferedWriter writer;private BufferedReader reader;private void CreateSocket() throws IOException{   server = new ServerSocket(PORT, 100);   System.out.println("Server starting..");  }private Socket ResponseSocket() throws IOException{   Socket client = server.accept();    System.out.println("client connected..");     return client;}private void CloseSocket(Socket socket) throws IOException{   reader.close();   writer.close();   socket.close();   System.out.println("client closed..");}private void SendMsg(Socket socket,String Msg) throws IOException {   writer = new BufferedWriter(      new OutputStreamWriter(socket.getOutputStream()));    writer.write(Msg+"\n");    writer.flush();   }private String ReceiveMsg(Socket socket) throws IOException{   reader = new BufferedReader(     new InputStreamReader(socket.getInputStream()));         System.out.println("server get input from client socket..");    String txt="Sever send:"+reader.readLine();       return txt;}public static void main(final String args[]) throws IOException {   YaoChatServer yaochatserver = new YaoChatServer();   if (yaochatserver != null) {    yaochatserver.start();   }}}

package com.android.Yao;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.net.UnknownHostException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.Socket;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.*;public class YaoChatRoomAndroid extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);               findviews();        setonclick();    }    private EditText chattxt;    private TextView chattxt2;    private Button chatok;        public void findviews()    {        chattxt = (EditText)this.findViewById(R.id.chattxt);        chattxt2 = (TextView)this.findViewById(R.id.chattxt2);        chatok   = (Button)this.findViewById(R.id.chatOk);    }        private void setonclick()    {        chatok.setOnClickListener(new View.OnClickListener() {       @Override    public void onClick(View v) {     try {      connecttoserver(chattxt.getText().toString());     } catch (UnknownHostException e) {      // TODO Auto-generated catch block      e.printStackTrace();     } catch (IOException e) {      // TODO Auto-generated catch block      e.printStackTrace();     }    }   });    }    public void connecttoserver(String socketData) throws UnknownHostException, IOException{    Socket socket=RequestSocket("192.168.10.119",5000);   SendMsg(socket,socketData);     String txt = ReceiveMsg(socket);   this.chattxt2.setText(txt);    }        private Socket RequestSocket(String host,int port) throws UnknownHostException, IOException    {       Socket socket = new Socket(host, port);    return socket;    }        private void SendMsg(Socket socket,String msg) throws IOException    {    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));   writer.write(msg.replace("\n", " ")+"\n");   writer.flush();    }        private String ReceiveMsg(Socket socket) throws IOException    {    BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));       String txt=reader.readLine();   return txt;    }    }

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TextViewandroid:id="@+id/chattxt2"android:layout_width="319px"android:layout_height="68px"android:text="TextView"android:layout_alignParentTop="true"android:layout_alignParentLeft="true"></TextView><EditTextandroid:id="@+id/chattxt"android:layout_width="319px"android:layout_height="52px"android:text="EditText"android:textSize="18sp"android:layout_below="@+id/widget30"android:layout_alignParentLeft="true"></EditText><Buttonandroid:id="@+id/chatOk"android:layout_width="320px"android:layout_height="41px"android:text="Button"android:layout_below="@+id/widget29"android:layout_alignParentLeft="true"></Button></LinearLayout>

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