refer to: http://www.gogogogo.me/development/android-HttpPost.html

android平台HttpPost()请求简单实例

/**  
*description：Android HttpPost()  
*authour:YanEr·Gates  
*website:http://www.gogogogo.me  
*/ 
package me.gogogoog;  

import java.io.IOException;  

import java.util.ArrayList;  
import java.util.List;  
import org.apache.http.HttpEntity;  
import org.apache.http.HttpResponse;  
import org.apache.http.HttpStatus;  
import org.apache.http.NameValuePair;  
import org.apache.http.client.ClientProtocolException;  
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.apache.http.util.EntityUtils;  
import android.app.Activity;  
import android.widget.TextView;  
  
public class ResultActivity extends Activity{  

    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState){  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.result);  

        TextView resultText = (TextView) this.findViewById(R.id.resultText);                  
        String username="username";  
        String password="password";  
        String httpUrl = "http://192.168.1.90:8080/AndroidLogin/loginAction.do?method=login";  

        //创建httpRequest对象  
        HttpPost httpRequest = new HttpPost(httpUrl);  
         
        List<NameValuePair> params = new ArrayList<NameValuePair>();  
        params.add(new BasicNameValuePair("username", username));  
        params.add(new BasicNameValuePair("password", password));  

        try{  
            //设置字符集  
            HttpEntity httpentity = new UrlEncodedFormEntity(params, "gb2312");  

            //请求httpRequest  
            httpRequest.setEntity(httpentity);  

            //取得默认的HttpClient  
            HttpClient httpclient = new DefaultHttpClient();  

            //取得HttpResponse  
            HttpResponse httpResponse = httpclient.execute(httpRequest);  

            //HttpStatus.SC_OK表示连接成功  
            if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){  
                //取得返回的字符串  
                String strResult = EntityUtils.toString(httpResponse.getEntity());  
                resultText.setText(strResult);  
            }else{  
                resultText.setText("请求错误!");  
            }  
        }catch (ClientProtocolException e){  
            resultText.setText(e.getMessage().toString());  
        } catch (IOException e){  
            resultText.setText(e.getMessage().toString());  
        }catch (Exception e){  
            resultText.setText(e.getMessage().toString());  
        }   
    }  
}