android使用apache httpclient發送post請求

標籤：httpclient apache

package com.liuc;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.List;import java.util.Map;import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.HttpClient;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;public class HttpPostUtil {public static String sendHttpPost(Map<String, String> map,String encode,String path){List<NameValuePair> list=new ArrayList<NameValuePair>();if (map!=null&&!map.isEmpty()) {for(Map.Entry<String, String> entry:map.entrySet()){list.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));}}try {//實現將參數封裝到表單中，也就是請求體重UrlEncodedFormEntity entity=new UrlEncodedFormEntity(list,encode);//使用post方式提交資料HttpPost httpPost=new HttpPost(path);httpPost.setEntity(entity);RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(2000).setConnectTimeout(2000).build();//4.3之後的佈建要求和傳輸逾時時間httpPost.setConfig(requestConfig);//執行post請求//3.X是這樣的//HttpClient httpClient=new DefaultHttpClient();//4.x是這樣的HttpClient httpClient = HttpClients.createDefault();HttpResponse httpResponse=httpClient.execute(httpPost);if (httpResponse.getStatusLine().getStatusCode()==200) {return getStringForInputStream(httpResponse.getEntity().getContent(),encode);}} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return path;}private static String getStringForInputStream(InputStream inputStream,String encode) {ByteArrayOutputStream stream=new ByteArrayOutputStream();byte[] data=new byte[1024];int len=0;String result="";try {if (inputStream != null) {while ((len = inputStream.read(data)) != -1) {stream.write(data, 0, len);}result=new String(stream.toByteArray(),encode);}} catch (Exception e) {}return result;}}

對於各個版本寫法的區別。可以參考：http://www.open-open.com/lib/view/open1383751765321.html