android开发网络连接工具类(一)

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;
}

}