java post请求

public static String doPostWithHeader(String url, List
 headerList, Map params, boolean isFormData) throws Exception {
        logger.debug("Post Url:" + url + ",Params:" + params);
        StringBuffer result = new StringBuffer();
        HttpClient client = new HttpClient();
        client.getParams().setIntParameter("http.connection.timeout", 10000);
        if (url.startsWith("https")) {
            Protocol myhttps = new Protocol("https", new HttpSSLProtocolSocketHandler(), 443);
            Protocol.registerProtocol("https", myhttps);
        }

        PostMethod method = new PostMethod(url);
        method.getParams().setParameter("http.protocol.content-charset", "UTF-8");
        method.addRequestHeader(new Header("Content-Type", isFormData ? "application/x-www-form-urlencoded" : "application/json"));
        Header str;
        if (headerList != null && headerList.size() > 0) {
            Iterator var7 = headerList.iterator();

            while(var7.hasNext()) {
                str = (Header)var7.next();
                method.addRequestHeader(str);
            }
        }

        if (isFormData) {
            if (!ObjectUtils.isEmpty(params)) {
                NameValuePair[] data = new NameValuePair[params.size()];
                int i = 0;

                Map.Entry entry;
                for(Iterator i$ = params.entrySet().iterator(); i$.hasNext(); data[i++] = new NameValuePair((String)entry.getKey(), (String)entry.getValue())) {
                    entry = (Map.Entry)i$.next();
                }

                method.setRequestBody(data);
            }
        } else if (params != null) {
            String requestJson = JSONObject.toJSONString(params);
            method.setRequestBody(requestJson);
        }

        try {
            client.executeMethod(method);
            if (method.getStatusCode() == 200) {
                BufferedReader reader = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream(), StandardCharsets.UTF_8));
                str = null;

                String str;
                while((str = reader.readLine()) != null) {
                    result.append(str);
                }
            }
        } finally {
            method.releaseConnection();
        }

        logger.debug("Post Return:" + result.toString());
        return result.toString();
    }