httpclient调用接口 

 1 public static String sendData(String url,String codeType,Map<String,String> datas,Map<String,File> files){
 2         CloseableHttpClient httpClient = HttpClients.createDefault();
 3         String result = "";
 4         try{
 5             // 接口地址
 6             HttpPost httpPost = new HttpPost(url);
 7             //以浏览器兼容模式运行，防止文件名乱码。 
 8             MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create().setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
 9             
10             //普通参数
11             if(datas != null && !datas.isEmpty()){
12                 for (Map.Entry<String, String> entry : datas.entrySet()) {
13                     multipartEntityBuilder.addTextBody(entry.getKey(), entry.getValue());
14                 }
15             }
16             //文件参数
17             if(files != null && !files.isEmpty()){
18                 for (Map.Entry<String, File> entry : files.entrySet()) {
19                     multipartEntityBuilder.addBinaryBody(entry.getKey(), entry.getValue());  
20                 }
21             }
22             
23             HttpEntity reqEntity = multipartEntityBuilder.build();
24             
25             httpPost.setEntity(reqEntity);
26             // 发起请求 并返回请求的响应
27             CloseableHttpResponse response = httpClient.execute(httpPost);
28             try{
29                 // 获取响应对象
30                 int status = response.getStatusLine().getStatusCode();
31                 if(status == HttpStatus.SC_OK){
32                     HttpEntity resEntity = response.getEntity();
33                     if(resEntity != null) {
34                         // 响应内容
35                         if(codeType==null || codeType==""){
36                             codeType = "UTF-8";
37                         }
38                         result = EntityUtils.toString(resEntity,codeType);
39                          // 销毁
40                     }
41                     EntityUtils.consume(resEntity);
42                 }
43             }finally{
44                 response.close();
45             }
46         }catch (Exception e) {
47             e.printStackTrace();
48             result = "";
49         }finally{
50             try {
51                 httpClient.close();
52             } catch (IOException e) {
53                 e.printStackTrace();
54             }
55         }
56         return result;
57     }

 

posted @ 2017-10-16 16:57  荣耀的背后  阅读(424)  评论(0)    收藏  举报