import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.util.Log;import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;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.protocol.HTTP;import org.apache.http.util.EntityUtils;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.List;public class NetWorkHelper {        //  使用POST方式时，传递参数必须使用NameValuePair数组    //  通过setEntity方法来发送HTTP请求    //  通过DefaultHttpClient 的 execute方法来获取HttpResponse    //  通过getEntity()从Response中获取内容    public static String getPostFromWeb(String path,List
     
       nameValuePairs) {        try{              String datatext = null;              HttpClient httpclient = new DefaultHttpClient();            HttpPost httppost = new HttpPost(path);            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs,HTTP.UTF_8));            HttpResponse response = httpclient.execute(httppost);            int statusCode = response.getStatusLine().getStatusCode();            datatext = EntityUtils.toString(response.getEntity());            Log.i("httpPostData", "data："+ datatext);            Log.i("httpPostData", "得到状态码："+ statusCode);            return datatext;        }catch(Exception e){            Log.i("httpPostData", "Exception："+ e.getMessage());                e.printStackTrace();        }         return null;    }        /**     * 通过地址得到网络图片     * @param url     * @return     */    public static Bitmap getHttpBitmap(String url) {        URL fileUrl = null;        Bitmap bitmap = null;        try {            fileUrl = new URL(url);            HttpURLConnection urlconn = (HttpURLConnection) fileUrl.openConnection();            urlconn.setConnectTimeout(0);            urlconn.setDoInput(true);            urlconn.connect();            InputStream input = urlconn.getInputStream();            bitmap = BitmapFactory.decodeStream(input);            input.close();        } catch (MalformedURLException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return bitmap;    }}