安卓請求網絡Get和Post請求方式

package com.jzlg.asyncexam;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.utils.URLEncodedUtils;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

public class InternetHelper {

// 發送請求

public String requestUrl(String url, Map<String, Object> map) {

// 抓換參數

try {

//轉換參數

String params = cdtParams(map);

//建立請求客戶端

HttpClient httpClient = new DefaultHttpClient();

//建立get請求

HttpGet doGet = new HttpGet(url + "?" + params);

//發送請求，並返回 response

HttpResponse response = httpClient.execute(doGet);

if (response != null) {

//獲取並轉換相應的結果

return EntityUtils.toString(response.getEntity());

}

} catch (Exception ex) {

ex.printStackTrace();

}

return null;

}

// 轉換參數

private String cdtParams(Map<String, Object> map) {

// 處理參數

List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();

Set<String> keys = map.keySet();

for (String key : keys) {

params.add(new BasicNameValuePair(key, map.get(key).toString()));

}

// 將參數轉換

return URLEncodedUtils.format(params, "UTF-8");

}

}

//Post請求

package com.jzlg.inter;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.client.utils.URLEncodedUtils;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.impl.conn.DefaultClientConnection;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

public class internetHeper {

//發送請求若是發送的參數帶有參數通常使用Post請求

public String request(String url,Map<String, Object> map)

{

try {

List<BasicNameValuePair> parem=this.Parem(map);

//建立客戶端

HttpClient httpClient=new DefaultHttpClient();

//建立請求方式

HttpPost httpPost=new HttpPost(url);

httpPost.setEntity(new UrlEncodedFormEntity(parem,"UTF-8"));

//得到響應

HttpResponse response=httpClient.execute(httpPost);

if(response!=null)

{

return EntityUtils.toString(response.getEntity());

}

} catch (Exception e) {

e.printStackTrace();

}

return null;

}

//轉換參數

public List<BasicNameValuePair> Parem(Map<String , Object> map)

{

List<BasicNameValuePair> list=new ArrayList<BasicNameValuePair>();

Set<String> keys=map.keySet();

for(String key:keys)

{

list.add(new BasicNameValuePair(key,map.get(key).toString()));

}

//將參數轉換

return list;

}

}