1 /**
 2      * get請求，引數放在map裡
 3      * @param url 請求地址
 4      * @param map 引數map
 5      * @return 響應
 6      */
 7     public String getMap(String url,Map<String,String> map)
 8     {
 9         String result = null;
10         CloseableHttpClient httpClient = HttpClients.createDefault();
11
 
         List<NameValuePair> pairs = new ArrayList<NameValuePair>();
12         for(Map.Entry<String,String> entry : map.entrySet())
13         {
14             pairs.add(new BasicNameValuePair(entry.getKey(),entry.getValue()));
15         }
16         CloseableHttpResponse response = null
 
;
17         try {
18             URIBuilder builder = new URIBuilder(url);
19             builder.setParameters(pairs);
20             HttpGet get = new HttpGet(builder.build());
21             response = httpClient.execute(get);
22             if(response != null && response.getStatusLine().getStatusCode() == 200)
 
23             {
24                 HttpEntity entity = response.getEntity();
25                 result = entityToString(entity);
26             }
27             return result;
28         } catch (URISyntaxException e) {
29             e.printStackTrace();
30         } catch (ClientProtocolException e) {
31             e.printStackTrace();
32         } catch (IOException e) {
33             e.printStackTrace();
34         }finally {
35             try {
36                 httpClient.close();
37                 if(response != null)
38                 {
39                     response.close();
40                 }
41             } catch (IOException e) {
42                 e.printStackTrace();
43             }
44         }
45 
46         return null;
47     }