Android客户端与PHP服务端通信(二)

package com.lygk.jsontest;import java.io.BufferedReader;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.params.CoreConnectionPNames;import org.apache.http.protocol.HTTP;import org.json.JSONObject;import com.example.jsontest.R;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.Log;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity {    	private static final String TAG="LYGK";	Button BtnRequest;		protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_main);		Log.i(TAG, "启动程序 ");		BtnRequest = (Button)findViewById(R.id.BtnRequest);		//绑定事件源和监听器对象		BtnRequest.setOnClickListener(new ButtonRequestListener());	}		//内部类，实现OnClickListener接口    //作为第二个按钮的监听器类    class ButtonRequestListener implements OnClickListener    {        public void onClick(View v)        {        	        	Log.i(TAG, "按钮按下 ");        	StartRequestFromPHP();        	Log.i(TAG, "执行完毕 ");        }    }        private void StartRequestFromPHP()     {     	//新建线程    	new Thread(){    		public void run(){    			try {     				SendRequest();  				    			} catch (Exception e) {     				e.printStackTrace();     			}     		}    	}.start();    }        private  void SendRequest(){    	//通过HttpClient类与WEB服务器交互    	HttpClient httpClient = new DefaultHttpClient();    	//定义与服务器交互的地址        String ServerUrl = "http://www.bigbearking.com/study/guestRequest.php";        //设置读取超时，注意CONNECTION_TIMEOUT和SO_TIMEOUT的区别        httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 5000);        //设置读取超时        httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 5000);        //POST方式        HttpPost httpRequst = new HttpPost(ServerUrl);                //准备传输的数据        List<basicnamevaluepair> params = new ArrayList<basicnamevaluepair>();                        params.add(new BasicNameValuePair("CMDID", "1"));        params.add(new BasicNameValuePair("CUserName", "lygk"));        params.add(new BasicNameValuePair("COrderName", "Apple"));        params.add(new BasicNameValuePair("COrderNum", "2"));                try{        	//发送请求            httpRequst.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));            //得到响应            HttpResponse response = httpClient.execute(httpRequst);                        //返回值如果为200的话则证明成功的得到了数据            if(response.getStatusLine().getStatusCode() == 200)            {                      StringBuilder builder = new StringBuilder();                                            //将得到的数据进行解析                      BufferedReader buffer = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));                      //readLine()阻塞读取                      for(String s =buffer.readLine(); s!= null; s = buffer.readLine())                      {                    	  builder.append(s);                                                     }                                            System.out.println(builder.toString());                      //得到Json对象                      JSONObject jsonObject   = new JSONObject(builder.toString());                                            //通过得到键值对的方式得到值                     int CmdId = jsonObject.getInt("CMDID");                     String SResult = jsonObject.getString("SResult");                     String SUserName = jsonObject.getString("SUserName");                     int SResultPara = jsonObject.getInt("SResultPara");                     Log.i(TAG, "读取到数据 ");                     Log.i(TAG, "RequestResult:"+SResult);                     Log.i(TAG, "UserName:"+SUserName);                     //在线程中判断是否得到成功从服务器得到数据                                                     }            else{            	Log.e(TAG, "连接超时 ");            }        }catch (Exception e)        {            e.printStackTrace();            Log.e(TAG, "请求错误 ");            Log.e(TAG, e.getMessage());        }    	return ;    }}</basicnamevaluepair></basicnamevaluepair>

<?php //获取客户端发来的请求信息	$CmdId = $_POST['CMDID'];	$UserName = $_POST['CUserName'];	$OrderName = $_POST['COrderName'];			if($UserName != 'lygk')	{		$result = 'Fail';		$resultpara = 2;		//将数据存储到数据中		$arr = array(						'CMDID' => $CmdId,			'SUserName' => $UserName,			'SResult'=>$result,			'SResultPara' =>$resultpara			);				//将数组转成json格式进行传递		$strr = json_encode($arr);	}	else	{		$result = 'Success';		$resultpara = 1;		//将数据存储到数据中		$arr = array(						'CMDID' => $CmdId,			'SUserName' => $UserName,			'SResult'=>$result,			'SResultPara' =>$resultpara			);				//将数组转成json格式进行传递		$strr = json_encode($arr);	}	echo($strr);?>