以聊天為例講解關于Android_的socket編程

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1、關于Android的socket編程【以聊天為例】下面，用敲門的方式演示Android如何實現套接字的通信。本例實現功能如下：Server端開啟服務Client端發(fā)起鏈接請求，并向Server端發(fā)送數據Server端響應請求，并在Server顯示，向Client端返回數據Client端接收Server的數據并顯示本例效果如下：終端1：終端2：Server端：本例源代碼如下：Server端：packagecom.android.Yao;importjava.io.BufferedReader;importjava.io.BufferedWriter;importjava.io.IO

2、Exception;importjava.io.InputStreamReader;importjava.io.OutputStreamWriter;importjava.net.ServerSocket;importjava.net.Socket;publicclassYaoChatServerextendsThread{privateYaoChatServer()throwsIOException{CreateSocket();//創(chuàng)建Socket服務器}publicvoidrun(){Socketclient;Stringtxt;try{while(true)//線程無限循

3、環(huán)，實時監(jiān)聽socket端口{client=ResponseSocket();//響應客戶端鏈接請求。。while(true){txt=ReceiveMsg(client);System.out.println(txt);//鏈接獲得客戶端發(fā)來消息，并將其顯示在Server端的屏幕上SendMsg(client,txt);//向客戶端返回消息if(true)break;//中斷，繼續(xù)等待鏈接請求}CloseSocket(client);//關閉此次鏈接}}catch(IOExceptione){System.out.println(e);}}privateServerSocket

4、server=null;privatestaticfinalintPORT=5000;privateBufferedWriterwriter;privateBufferedReaderreader;privatevoidCreateSocket()throwsIOException{server=newServerSocket(PORT,100);System.out.println("Serverstarting..");}privateSocketResponseSocket()throwsIOException{Socketclient=server.accept();Sy

5、stem.out.println("clientconnected..");returnclient;}privatevoidCloseSocket(Socketsocket)throwsIOException{reader.close();writer.close();socket.close();System.out.println("clientclosed..");}privatevoidSendMsg(Socketsocket,StringMsg)throwsIOException{writer=newBufferedWriter(newOutputStreamWrit

6、er(socket.getOutputStream()));writer.write(Msg+"");writer.flush();}privateStringReceiveMsg(Socketsocket)throwsIOException{reader=newBufferedReader(newInputStreamReader(socket.getInputStream()));System.out.println("servergetinputfromclientsocket..");Stringtxt="Seversend:"+reader.readLine();r

7、eturntxt;}publicstaticvoidmain(finalStringargs[])throwsIOException{YaoChatServeryaochatserver=newYaoChatServer();if(yaochatserver!=null){yaochatserver.start();}}}Client端：packagecom.android.Yao;importjava.io.BufferedReader;importjava.io.Buffer