android开发网络连接工具类(一)

网络连接工具类整理:

 package com.gzcivil.utils;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;

 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.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.BasicHttpParams;
 import org.apache.http.params.HttpConnectionParams;
 import org.apache.http.params.HttpParams;
 import org.apache.http.util.EntityUtils;

 import android.content.Context;

 /**
  * 网络连接类
  *
  * @author LiJinlun
  *
  */
 public class NetUtils {

     /**
      * 获取Json数据
      *
      * @param param
      * @return
      */

     public static String post(Map<String, String> paramMap, String URL, Context context) {

         String result = null;
         HttpPost httpRequest = new HttpPost(URL);
         List<NameValuePair> params = new ArrayList<NameValuePair>();

         paramMap.put("machineCode", CommonUtil.GetMachineCode(context));
         paramMap.put("cid", CommonUtil.GetCid(context).toString());

         for (Map.Entry<String, String> param : paramMap.entrySet()) {
             params.add(new BasicNameValuePair(param.getKey(), param.getValue()));
         }
         // 打印去包日志
         LogUtils.d(SysUtils.LOG_TAG, "去包:" + URL + params.toString());
         HttpEntity httpEntity;
         HttpClient httpClient = null;
         try {
             httpEntity = new UrlEncodedFormEntity(params, "UTF-8");
             httpRequest.setEntity(httpEntity);
             httpClient = getHttpClient();
             HttpResponse httpResponse = httpClient.execute(httpRequest);

             int status = httpResponse.getStatusLine().getStatusCode();
             if (status == HttpStatus.SC_OK) {
                 result = EntityUtils.toString(httpResponse.getEntity());
                 // 打印回包日志
                 LogUtils.d(SysUtils.LOG_TAG, "回包:" + result.toString());
                 return result;
             }
         } catch (IOException e) {
             e.printStackTrace();
             return SysUtils.errorcode.ERROR_TIMEOUT + "";
         } finally {
             if (httpClient != null)
                 httpClient.getConnectionManager().shutdown();
         }
         return null;
     }

     /**
      * get获取数据
      *
      * @param url
      * @return
      */
     public static String get(String url) {
         // 打印去包日志
         LogUtils.d(SysUtils.LOG_TAG, "去包:" + url.toString());
         String result = null;
         HttpGet get = new HttpGet(url);
         HttpClient client = new DefaultHttpClient();
         try {
             HttpResponse response = client.execute(get);
             int status = response.getStatusLine().getStatusCode();
             if (status == HttpStatus.SC_OK) {
                 result = EntityUtils.toString(response.getEntity(), "UTF-8");
                 // 打印回包日志
                 LogUtils.d(SysUtils.LOG_TAG, "回包:" + result.toString());
                 return result;
             }
         } catch (IOException e) {
             e.printStackTrace();
             return SysUtils.errorcode.ERROR_TIMEOUT + "";
         } finally {
             client.getConnectionManager().shutdown();
         }
         return null;
     }

     public static HttpClient getHttpClient() {
         HttpParams httpParams = new BasicHttpParams();
         HttpConnectionParams.setConnectionTimeout(httpParams, 8 * 1000);
         HttpConnectionParams.setSoTimeout(httpParams, 8 * 1000);
         // HttpClientParams.setRedirecting(httpParams, true);
         HttpClient client = new DefaultHttpClient(httpParams);
         // client.getParams().setIntParameter( HttpConnectionParams.SO_TIMEOUT,
         // 8*1000); // 超时设置
         // client.getParams().setIntParameter(
         // HttpConnectionParams.CONNECTION_TIMEOUT, 8*1000);// 连接超时
         return client;
     }

 }