package cc.jiusan.www.utils;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.util.EntityUtils;import android.content.Context;import android.net.ConnectivityManager;import android.net.NetworkInfo;public class HttpUtils {	/**	 * 判断当前网络是否连接	 * 	 * @param context	 * @return	 */	public static boolean isNetWorkConn(Context context) {		ConnectivityManager manager = (ConnectivityManager) context				.getSystemService(Context.CONNECTIVITY_SERVICE);		NetworkInfo info = manager.getActiveNetworkInfo();		if (info != null) {			return info.isConnected();		}		return false;	}	// 网络请求下载图片	public static byte[] loadImageFromNet(String url) {		//OKHttp		try {			HttpClient client = new DefaultHttpClient();			HttpGet getRequest = new HttpGet(url);			HttpResponse response = client.execute(getRequest);			// 500 服务器 错误    			if (response.getStatusLine().getStatusCode() == 200) {				HttpEntity entity = response.getEntity();				return EntityUtils.toByteArray(entity);			}		} catch (Exception e) {			e.printStackTrace();		}		return null;	}	}