手机于PC服务器通信
手机客户端
package com.newsocket;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.Socket;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.*;public class Activity01 extends Activity { private final String DEBUG_TAG = "Activity01"; private TextView mTextView = null; private EditText mEditText = null; private EditText mima = null; private Button mButton = null; private DataOutputStream toserver;private DataInputStream fromserver; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mButton = (Button) this.findViewById(R.id.button1); mButton.setText("登录"); mTextView = (TextView) this.findViewById(R.id.textView1); mEditText = (EditText) this.findViewById(R.id.editText1); mima =(EditText) this.findViewById(R.id.editText2); mButton.setOnClickListener(new Button.OnClickListener(){public void onClick(View v) { Socket socket = null; String ms = mEditText.getText().toString(); String message = mima.getText().toString()+"\r\n"; try{ socket = new Socket("192.168.1.100",54321); //接受服务器的数据流 fromserver = new DataInputStream( socket.getInputStream()); //要发送的数据流 toserver=new DataOutputStream(socket.getOutputStream()); toserver.writeBytes(message); toserver.flush(); String msg = fromserver.readLine(); if(msg != null) { if(msg.equals(ms)) mTextView.setText("登录成功"); else mTextView.setText("密码错误"); }else { mTextView.setText("数据错误"); } toserver.close(); fromserver.close(); socket.close(); }catch(Exception e){ mTextView.setText("没连接上"); }} }); }}?pc服务器端
import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;public class AndroidServer implements Runnable{@Overridepublic void run() { try{ ServerSocket serverSocket = new ServerSocket(54321); while(true){ System.out.println("Android socket 等待接受客户的连接"); Socket client = serverSocket.accept();//接受客户端请求 try{ BufferedReader in = new BufferedReader (new InputStreamReader(client.getInputStream())); String str = in.readLine(); System.out.println("read:"+str); PrintWriter out = new PrintWriter (new BufferedWriter(new OutputStreamWriter(client.getOutputStream())),true ); out.println(str); in.close(); out.close(); }catch(Exception e){ System.out.println(e.getMessage()); e.printStackTrace(); } finally{ client.close(); System.out.println("Android socket close"); } } }catch(Exception e){ System.out.println(e.getMessage()); }}public static void main(String[] srgs){Thread desktopServerThread = new Thread(new AndroidServer());desktopServerThread.start();}}?