// 創建默認的httpclient實例
        CloseableHttpClient httpclient = getHttpClient();
        CloseableHttpResponse response = null;
        // 創建httpPost
        HttpPost httpPost = new HttpPost("url地址");

        httpPost.setHeader(HTTP.CONTENT_TYPE, "application/json; charset=utf-8");
        try {
            StringEntity param 
 
= new StringEntity(params, ContentType.APPLICATION_JSON);
            httpPost.setEntity(param);
            response = httpclient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            if(entity != null){
                InputStream is = entity.getContent();
               
 

            }
            
        } catch (Exception e) {
            LOG.error("sendPostRequest error:", e);
        } finally {
            try {
                //關閉連接，釋放資源
                response.close();
                httpclient.close();
            } catch (Exception e) {
                LOG.error(
 
"HttpClient close error:", e);
            }
        }
       

發送Get請求

CloseableHttpClient httpclient = getHttpClient();
        CloseableHttpResponse response = null;
        HttpGet httpget = new HttpGet("url地址");
        try {
            response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();
            if(entity != null){
                InputStream is = entity.getContent();
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                //關閉連接，釋放資源
                response.close();
                closeHttpClient(httpclient);
            } catch (Exception e) {
                LOG.error("HttpClient close error:", e);
            }
        }

借用某位大神的代碼，只為日後方便查閱，請勿介意。

讀書人的事情怎麽能叫偷，那叫竊！

HttpClient發送Post請求，get請求