Android下使用Socket连接网络电脑(2)

import java.io.BufferedReader;   import java.io.BufferedWriter;   import java.io.IOException;   import java.io.InputStreamReader;   import java.io.OutputStreamWriter;   import java.io.PrintWriter;   import java.net.ServerSocket;   import java.net.Socket;          public class MyJavaServer {       /**       * @param args       */              public static void main(String[] args) {           // TODO Auto-generated method stub            System.out.print("MyJavaServer Start Runing/n");                      try {               ServerSocket serverSocket=new ServerSocket(54321);               while(true)               {                   System.out.println("接收用户连接：");                   //接受客户端请求                    Socket client=serverSocket.accept();                   System.out.println("accept:");                   try                   {                       //接受客户端信息                        BufferedReader in=new BufferedReader(new InputStreamReader(client.getInputStream()));                       String str=in.readLine();                       System.out.println("read:"+str);                       //向服务器发送消息                        PrintWriter out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(client.getOutputStream())),true);                       out.println("Server Message："+str);                       in.close();                       out.close();                   }catch(Exception ex)                   {                       System.out.println(ex.getMessage());                       ex.printStackTrace();                   }                   finally                   {                       client.close();                       System.out.println("close");                   }               }           } catch (IOException e) {               System.out.println(e.getMessage());           }       }          }