httpPost的兩種方式

1，post-Body流和post參數，以下客戶端代碼和服務端代碼可共用

　　客戶端代碼
/**
* post 方法
* 拋送給EDI
* @param url http://127.0.0.1:9003/api/edi/csm/csmReturnSubConBody?customerId=Fotile_CSM&api=csmreturnsub_confirm&id=6006
* @param jsonParam xml報文結構
* @return
*/
String httpPost45(String url, String jsonParam) {
//url?后面的即為post parmas 參數，bodu 放在數據流中進行傳輸
CloseableHttpClient httpclient = HttpClients.createDefault()
// HttpGet httpGet = new HttpGet(url)
HttpPost post=new HttpPost(url)
//httpClient 4.5版本的超時參數配置
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(50000).setConnectionRequestTimeout(50000)
.setSocketTimeout(50000).build()
post.setConfig(requestConfig)
//往BODY里填充數據主體
StringEntity entitys=new StringEntity(jsonParam.toString(), "utf-8")
entitys.setContentEncoding("UTF-8")
entitys.setContentType("application/xml")
post.setEntity(entitys)
HttpResponse response = httpclient.execute(post)
// System.out.println("得到的結果:" + response.getStatusLine())//得到請求結果
String str = EntityUtils.toString(response.getEntity())//得到請求回來的數據
return str
}

客戶端代碼二=========================================

如果只是簡單拼接進url是行不通的，因為我們都知道URLEncoder，對url字符集編碼設置，所以需要對所有的值進行字符集編碼設置，最終我們封裝成了如下post方法支持url拼接入相應的請求參數：

POST_URL:請求url

urlParam:如上需要封裝進url的參數

body：普通需要傳遞的參數

 public static String httpURLConnectionPOST (String POST_URL,Map<String, String> urlParam,String body) {

        CloseableHttpResponse response = null;
        try {
            RequestConfig defaultRequestConfig = RequestConfig.custom()
                    .setSocketTimeout(6000)
                    .setConnectTimeout(6000)
                    .setConnectionRequestTimeout(6000)
                    .build();
　　　　　　　　//httpclient
            CloseableHttpClient httpclient = HttpClients.custom().setDefaultRequestConfig(defaultRequestConfig).build();
//            HttpPost httpPost = new HttpPost(POST_URL);
            StringBuilder param=new StringBuilder("");
//將要拼接的參數urlencode
            for (String key:urlParam.keySet()){
                param.append(key + "=" + URLEncoder.encode(urlParam.get(key), "UTF-8") + "&");
            }
//pingjie
            HttpPost httpPost = new HttpPost(POST_URL+param.toString());
//請求參數設置
            if(com.sf.ccsp.common.util.StringUtils.isNotEmpty(body)){
                StringEntity entity=new StringEntity(body, ContentType.APPLICATION_JSON);
                httpPost.setEntity(entity);
            }
            response = httpclient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            return EntityUtils.toString(entity, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            logger.error(e.getMessage(), e);
        } catch (ClientProtocolException e) {
            logger.error(e.getMessage(), e);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
        } catch (Exception e){
            System.out.println(e);
        }finally {
            if (response != null) {
                try {
                    response.close();
                } catch (IOException e) {
                    logger.error(e.getMessage(), e);
                }
            }

        }

        return null;

    }

 

服務端代碼

@ResponseBody
@RequestMapping(value = "csmReturnSubConBody", method = RequestMethod.POST, produces = "application/xml")
ResponseMessage csmReturnSubConBody(HttpServletRequest request, HttpServletResponse response,
@RequestParam Map<String, String> params) {

//params為客戶端URL?后面的參數集，同理，也可以將bodu放到參數集里，進行傳輸
CustomerInfo customerInfo = erpSetting.getCustomerInfo(params.customerId as String)
if (!customerInfo) return
ApiInfo apiInfo = erpSetting.getApiInfo(customerInfo, params.api as String)
if (!apiInfo) return
String body = readBody(request)//這里去解析post流里的body數據
ResponseMessage rsp = csmSvc.convertBodyAndSendErpRetu(apiInfo, customerInfo, body, "xml", params.id as Object, null)

return rsp
}

 

對於post參數流，服務端，可以這樣取值

String body = params.keySet()[0] + "=" + params[params.keySet()[0]].toString()

params.keySet()[0]得到key

params[params.keySet()[0]].toString()得到第一個key的value

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