android怎么传一个数组给PHP，大神帮我改改下面的代码
我想知道 
ArrayList nameValuePairs = new ArrayList();
nameValuePairs.add(new BasicNameValuePair("id","3"));
nameValuePairs.add(new BasicNameValuePair("name","Guo"));
这两句话怎么用数组传值数据给PHP

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;


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.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;


import android.app.Activity;
import android.net.ParseException;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;


public class Android_MySQLActivity extends Activity {
JSONArray jArray;
String result = null;
InputStream is = null;
StringBuilder sb=null;
@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  Button b1 = (Button) findViewById(R.id.button1);
  b1.setOnClickListener(new Button.OnClickListener() {
  @Override
  public void onClick(View v) {
  // TODO Auto-generated method stub
  EditText tv = (EditText) findViewById(R.id.editView);
  ArrayList nameValuePairs = new ArrayList();
  nameValuePairs.add(new BasicNameValuePair("id","3"));
  nameValuePairs.add(new BasicNameValuePair("name","Guo"));
  //http post
  try{
  HttpClient httpclient = new DefaultHttpClient();
  HttpPost httppost = new HttpPost("http://175.186.54.10/select.php");
  httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
  HttpResponse response = httpclient.execute(httppost);
  HttpEntity entity = response.getEntity();
  is = entity.getContent();
  }catch(Exception e){
  Log.e("log_tag", "Error in http connection"+e.toString());
  }
  //convert response to string
  try{
  BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
  sb = new StringBuilder();
  sb.append(reader.readLine() + "\n");
  
  String line=null;
  while ((line = reader.readLine()) != null) {
  sb.append(line + "\n");
  }
  is.close();
  result=sb.toString();
  }catch(Exception e){
  Log.e("log_tag", "Error converting result "+e.toString());
  }
  //paring data
  int ct_id;
  String ct_name;
  try{
  jArray = new JSONArray(result);
  JSONObject json_data=null;
   
  for(int i=0;i<jArray.length();i++){
  json_data = jArray.getJSONObject(i);
  ct_id=json_data.getInt("id");
  ct_name=json_data.getString("name");
  tv.append(ct_name+" \n");
  }
  }catch(JSONException e1){
  // Toast.makeText(getBaseContext(), "No City Found" ,Toast.LENGTH_LONG).show();
  } catch (ParseException e1) {
  e1.printStackTrace();
  }
}
});
}
} 


------解决方案--------------------