<dependency>

   <groupId>commons-httpclient</groupId>

   <artifactId>commons-httpclient</artifactId>

   <version>3.1</version>

</dependency>

    public static String postJsonMethodParamsEncode(String postURL,Map<String,String> destMap){

        log.info("postJsonMethodParamsEncode request postURL:{}",postURL);

        try {

            PostMethod postMethod = null;

            postMethod = new PostMethod(postURL) ;

            postMethod.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8") ;

            NameValuePair[] data = new NameValuePair[destMap.size()];

            int i = 0;

            for (String key : destMap.keySet()){

                data[i] = new NameValuePair(key,destMap.get(key));

                i++;

            }

            postMethod.setRequestBody(data);

            HttpClient httpClient = new HttpClient();

            int response = httpClient.executeMethod(postMethod);

            return postMethod.getResponseBodyAsString() ;

        } catch (Exception e) {

            log.error("请求异常:",e);

            throw new RuntimeException(e.getMessage());

        }

    }